Ecological design performance evaluation method, device and equipment for titanium alloy for aerospace and medium

Abstract

The invention provides an aerospace titanium alloy ecological design performance evaluation method, device, equipment and medium, and relates to the field of new materials.The aerospace titanium alloy ecological design performance evaluation method comprises the steps that life cycle evaluation software is utilized, and based on life cycle list data of a target titanium alloy, environment influence data and environment contribution data of the whole production and manufacturing process of the target titanium alloy are calculated; performing weighted scoring on the full performance and the working condition service life performance of the target titanium alloy to obtain a service life evaluation result of the target titanium alloy; and obtaining a comprehensive ecological design evaluation result by using a fuzzy matrix and a scoring card model based on the environmental influence data and the environmental contribution data of the target titanium alloy whole production and manufacturing process and the life evaluation result. Thus, the influence of the titanium alloy whole production and manufacturing process on the environment is considered, a life evaluation result is obtained through weighted scoring of the performance, finally, a fuzzy matrix and a scoring card model are utilized, environment factors and performance life factors are combined, and a comprehensive ecological design evaluation result is obtained. And basis and data support are provided for type selection and use of titanium alloy in the aerospace field and industry green carbon reduction.

Description

A method, apparatus, equipment, and medium for evaluating the eco-design performance of titanium alloys for aerospace applications. Technical Field

[0001] This invention relates to the field of new materials technology, and more specifically, to a method, apparatus, equipment, and medium for evaluating the eco-design performance of titanium alloys for aerospace applications. Background Technology

[0002] From the International Civil Aviation Carbon Offset and Reduction Programme (CORSIA), led by the International Civil Aviation Organization, which sets a target of reducing aviation fuel carbon intensity by 5% by 2030 and ultimately achieving net-zero carbon emissions for the aviation industry by 2050, to the EU Emissions Trading System's legally mandated complete elimination of free carbon allowances, and the comprehensive integration of the aviation industry into national carbon markets, a multi-layered carbon constraint system of "global (CORSIA) + regional (EU ETS) + national" has been formed. The global aviation industry faces a severe carbon emissions situation, burdened by multiple pressures including mandatory emission reductions, technological bottlenecks, and high operating costs.

[0003] Titanium alloys, with a density only about 60% that of steel yet comparable strength, can significantly reduce the structural weight of aircraft, directly improving fuel efficiency and load capacity. They can operate stably at temperatures up to 600°C, making them ideal materials for manufacturing key engine components. Their corrosion resistance, fatigue resistance, and high compatibility with composite materials ensure the long-term safety and reliability of aircraft and spacecraft in extreme environments. They have become an irreplaceable key material for achieving high-performance flight and are widely used in high-temperature components such as fan blades, compressor disks, and blades in civil aircraft, high-performance military aircraft, and aero-engines, as well as in fuel tanks, engine components, and fasteners in spacecraft and launch vehicles. To achieve the global aviation industry's goal of "carbon peaking and carbon neutrality," aerospace vehicles will continue to face challenges in "lightweighting, high performance, long service life, low maintenance costs, and low-carbon emission technologies." As a major structural material in the aerospace field, the ecological design of titanium alloys based on a life-cycle approach has become an essential path to achieving the industry's carbon peaking goals, carbon neutrality vision, and sustainable development.

[0004] Currently, relevant departments have issued general standards for the evaluation of eco-design products, outlining basic requirements for eco-design product evaluation. These include evaluation requirements for green products, green benchmark products, and manufacturing enterprises, as well as five categories of evaluation indicators corresponding to different product characteristics: resource attributes, energy attributes, environmental attributes, quality attributes, and low-carbon attributes. To date, numerous eco-design and green product standards have been released for industries such as light industrial consumer goods, building materials, steel, and non-ferrous metals. However, in the titanium alloy industry, only technical specifications for green design product evaluation of titanium and titanium alloy ingots have been released, outlining evaluation requirements for the green design of titanium alloy ingots. There is a significant lack of green design methods and evaluation technologies related to titanium alloy materials, processed products, components, and application products.

[0005] Therefore, how to construct a reasonable ecological evaluation method for titanium alloy products is a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0006] To develop an eco-design model and evaluation method for aerospace titanium alloys that couples full life-cycle environmental impact assessment, full performance parameter data, and operational service life assessment, in a first aspect, embodiments of the present invention provide an eco-design performance evaluation method for aerospace titanium alloys, the method comprising:

[0007] Using life cycle assessment software, based on the life cycle inventory data of the target titanium alloy, we calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy;

[0008] The overall performance and service life performance of the target titanium alloy are weighted and scored to obtain the service life assessment result of the target titanium alloy.

[0009] Based on the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy, as well as the life assessment results, a comprehensive ecological design assessment result is obtained using a fuzzy matrix and scoring card model.

[0010] As one possible implementation, the method of using life cycle assessment software to calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy based on the life cycle inventory data of the target titanium alloy includes:

[0011] Obtain the lifecycle inventory data of the target titanium alloy;

[0012] Based on preset environmental standard indicators, the environmental impact type of the target titanium alloy is obtained by screening according to the life cycle inventory data;

[0013] Using life cycle assessment software, based on the life cycle inventory data and environmental impact types of the target titanium alloy, the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy are calculated.

[0014] As one possible implementation, the weighted scoring of the overall performance and service life performance of the target titanium alloy to obtain the service life assessment result of the target titanium alloy includes:

[0015] Obtain the full performance parameters of the target titanium alloy;

[0016] To obtain the service life performance of the target titanium alloy under aerospace conditions;

[0017] Based on the weighting rules, the weights of the full performance parameters and service life performance under working conditions of the target titanium alloy are determined.

[0018] Based on preset scoring rules, the full performance parameters of the target titanium alloy and its service life performance under aerospace conditions are scored and weighted to obtain the service life assessment result of the target titanium alloy.

[0019] As one possible implementation, the determination of the weights for the full performance parameters and service life performance of the target titanium alloy based on weight setting rules includes:

[0020] The weights of the full performance parameters and service life performance under working conditions of the target titanium alloy are determined by using the analytic hierarchy process and / or scoring method.

[0021] As one possible implementation method, the analytic hierarchy process (AHP) is used to determine the weights of the target titanium alloy's overall performance parameters and service life performance under various operating conditions, including:

[0022] The full performance parameters and service life performance under working conditions of the target titanium alloy are divided into multiple levels of indicators;

[0023] Construct a judgment matrix to compare the relative importance of each indicator at the same level in the multi-level indicators, and obtain the comparison results;

[0024] Based on the comparison results, the weights of the target titanium alloy's full performance parameters and service life performance under operating conditions are determined.

[0025] As one possible implementation, a scoring method is used to determine the weights of the target titanium alloy's overall performance parameters and service life performance under various operating conditions, including:

[0026] Obtain a preset scoring standard, which is set according to the influence of the full performance parameters and service life performance under working conditions of the target titanium alloy on the service life of the titanium alloy.

[0027] Obtain the scores from relevant personnel regarding the full performance parameters and service life performance under various working conditions of the target titanium alloy;

[0028] Based on the scoring results, the weights of the target titanium alloy's full performance parameters and service life performance under working conditions are determined.

[0029] As one possible implementation, the comprehensive eco-design assessment results are obtained using fuzzy matrix and scorecard models based on the environmental impact data and environmental contribution data of the entire production process of the target titanium alloy, as well as the life assessment results. These results include:

[0030] The environmental impact data, environmental contribution data, and life assessment results of the entire production and manufacturing process of the target titanium alloy are characterized and normalized to obtain the characteristic values ​​and normalized values ​​before normalization.

[0031] Based on the eigenvalues ​​before normalization and the normalized values, the comprehensive ecological design assessment results are obtained using a fuzzy matrix and scoring card model.

[0032] Secondly, embodiments of the present invention provide an eco-design performance evaluation device for aerospace titanium alloys, the device comprising:

[0033] The environmental assessment module is used to calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy using life cycle assessment software and based on the life cycle inventory data of the target titanium alloy.

[0034] The life assessment module is used to perform a weighted score on the overall performance and service life performance of the target titanium alloy under various working conditions, and to obtain the life assessment result of the target titanium alloy.

[0035] The comprehensive scoring module is used to obtain the comprehensive ecological design assessment results based on the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy, as well as the life assessment results, using fuzzy matrix and scoring card models.

[0036] Thirdly, embodiments of the present invention provide an electronic device, including: one or more processors; and a storage device storing one or more programs thereon, wherein when the one or more programs are executed by the one or more processors, the one or more processors implement the method described in any implementation of the first aspect.

[0037] Fourthly, embodiments of the present invention provide a readable storage medium having executable instructions stored thereon, wherein the executable instructions, when executed by a processor, implement the method as described in any of the implementations in the first aspect.

[0038] The embodiments of this invention provide a method, apparatus, equipment, and medium for evaluating the eco-design performance of aerospace titanium alloys. The method includes: first, using life cycle assessment software, calculating the environmental impact and environmental contribution data of the entire production and manufacturing process of the target titanium alloy based on its life cycle inventory data; then, weighted scoring of the overall performance and service life performance of the target titanium alloy to obtain a life cycle assessment result; finally, based on the environmental impact and environmental contribution data of the entire production and manufacturing process of the target titanium alloy and the life cycle assessment result, obtaining a comprehensive eco-design assessment result using a fuzzy matrix and scoring card model. This approach considers the environmental impact of the entire titanium alloy production and manufacturing process, derives the life cycle assessment result through weighted performance scoring, and finally combines environmental factors with performance and life cycle factors using a fuzzy matrix and scoring card model to obtain a comprehensive eco-design assessment result. This provides a basis and data support for the selection and use of titanium alloys in the aerospace field. Attached Figure Description

[0039] Figure 1 is an exemplary architecture diagram in which an embodiment of the present invention can be applied;

[0040] Figure 2 is a flowchart of an embodiment of the eco-design performance evaluation method for aerospace titanium alloys provided by the present invention;

[0041] Figure 3 is a schematic diagram of the preset cycle boundary of the life cycle assessment software provided in the embodiment of the present invention;

[0042] Figure 4 is a schematic diagram of the target titanium alloy life assessment provided in an embodiment of the present invention;

[0043] Figure 5 is a schematic diagram of the characterization and normalization of environmental impact data, environmental contribution data, and life assessment results provided in the embodiments of the present invention.

[0044] Figure 6 is a schematic diagram of an embodiment of the aerospace titanium alloy eco-design performance evaluation device provided in this invention.

[0045] Figure 7 is a schematic diagram of the structure of a computer suitable for implementing embodiments of the present disclosure. Detailed Implementation

[0046] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0047] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0048] Figure 1 illustrates an exemplary system architecture 100 to which embodiments of the eco-design performance evaluation methods, apparatus, electronic devices, and storage media for aerospace titanium alloys disclosed herein can be applied.

[0049] As shown in Figure 1, the system architecture 100 may include terminal devices 101, 102, and 103, a network 104, and a server 105. The network 104 serves as the medium for providing communication links between the terminal devices 101, 102, and 103 and the server 105. The network 104 may include various connection types, such as wired or wireless communication links or fiber optic cables, etc.

[0050] Users can use terminal devices 101, 102, and 103 to interact with server 105 via network 104 to receive or send messages, etc. Various communication client applications can be installed on terminal devices 101, 102, and 103, such as performance evaluation applications, voice recognition applications, short video social applications, audio and video conferencing applications, live video streaming applications, document editing applications, input method applications, web browser applications, shopping applications, search applications, instant messaging tools, email clients, social platform software, etc.

[0051] Terminal devices 101, 102, and 103 can be either hardware or software. When terminal devices 101, 102, and 103 are hardware, they can be various electronic devices with displays, including but not limited to smartphones, tablets, e-book readers, MP3 players (Moving Picture Experts Group Audio Layer III), MP4 players (Moving Picture Experts Group Audio Layer IV), laptops, and desktop computers, etc. When terminal devices 101, 102, and 103 are software, they can be installed on the terminal devices listed above. They can be implemented as multiple software programs or software modules (e.g., used to provide performance evaluation services) or as a single software program or software module. No specific limitations are imposed here.

[0052] In some cases, the eco-design performance evaluation method for aerospace titanium alloys provided in this disclosure can be executed by terminal devices 101, 102, and 103, and correspondingly, the eco-design performance evaluation device for aerospace titanium alloys can be installed in terminal devices 101, 102, and 103. In this case, the system architecture 100 may not include server 105.

[0053] In some cases, the eco-design performance assessment method for aerospace titanium alloys provided in this disclosure can be jointly executed by terminal devices 101, 102, and 103 and server 105. For example, the step of "using life cycle assessment software to calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy based on the life cycle inventory data of the target titanium alloy" can be executed by terminal devices 101, 102, and 103, and the step of "obtaining the comprehensive eco-design assessment result based on the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy and the life cycle assessment results, using a fuzzy matrix and scoring card model" can be executed by server 105. This disclosure does not limit this. Correspondingly, the eco-design performance assessment device for aerospace titanium alloys can also be respectively set in terminal devices 101, 102, and 103 and server 105.

[0054] In some cases, the eco-design performance evaluation method for aerospace titanium alloys provided in this disclosure can be executed by server 105. Accordingly, the eco-design performance evaluation device for aerospace titanium alloys can also be set in server 105. In this case, the system architecture 100 may not include terminal devices 101, 102, and 103.

[0055] It should be noted that server 105 can be either hardware or software. When server 105 is hardware, it can be implemented as a distributed server cluster consisting of multiple servers, or as a single server. When server 105 is software, it can be implemented as multiple software programs or software modules (for example, used to provide distributed services), or as a single software program or software module. No specific limitations are made here.

[0056] It should be understood that the number of terminal devices, networks, and servers shown in Figure 1 is merely illustrative. Depending on implementation needs, any number of terminal devices, networks, and servers can be included.

[0057] Referring again to Figure 2, which shows a flowchart 200 of an embodiment of the eco-design performance evaluation method for aerospace titanium alloys according to the present invention, by focusing on the fatigue, creep, thermomechanical and fracture properties of titanium alloys under aerospace high temperature, high pressure and start-stop conditions, as well as the life assessment model of all performance indicators, and the environmental load and impact types of the manufacturing process, the difference assessment of the eco-design level of titanium alloy materials coupled with environmental load and life can be achieved scientifically and effectively.

[0058] This embodiment can be used by titanium alloy material manufacturers in the aerospace field to optimize product raw materials, processes, and costs, and to formulate strategies related to carbon emissions and environmental impact. It can also be used by aircraft manufacturers to select and evaluate their main raw materials, components, and suppliers, thereby indirectly promoting the continuous reduction of environmental impact and emissions in the aviation industry, achieving the goal of "carbon peaking and carbon neutrality." This aerospace titanium alloy eco-design performance evaluation method includes the following steps 201 to 204:

[0059] Step 201: Using life cycle assessment software, calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy based on the life cycle inventory data of the target titanium alloy.

[0060] Life cycle assessment software is used to process and analyze the collected life cycle inventory data, and accurately calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy based on the preset assessment model and algorithm.

[0061] The life cycle inventory data is collected based on the energy and resource consumption types of titanium alloys in my country, combined with the environmental load types and emission characteristics of manufacturing processes such as smelting, casting, processing, heat treatment, surface treatment, inspection, and packaging. The data types are shown in Table 1 below:

[0062] Table 1

[0063]

[0064] Lifecycle inventory data allows for a detailed record of the materials, energy consumed, and emissions generated at each stage of the target titanium alloy's journey from raw material acquisition to final packaging and shipment. This data provides comprehensive and accurate foundational information for subsequent performance evaluations, ensuring that the assessment results truly reflect the environmental impact and resource utilization efficiency of the titanium alloy throughout its entire lifecycle.

[0065] The environmental impact data covers multiple indicators such as greenhouse gas emissions, acid rain effect, and eutrophication, and can intuitively show the degree of pressure that titanium alloy production puts on the environment.

[0066] The environmental contribution data reflects the positive effects of titanium alloy production on resource conservation and improved energy efficiency.

[0067] This software transforms complex data into meaningful and comparable indicators, providing crucial data for subsequent comprehensive evaluation of titanium alloy performance. Furthermore, its powerful data processing capabilities and flexible parameter settings allow it to adapt to the performance evaluation needs of different types and specifications of titanium alloys, ensuring the accuracy and reliability of the evaluation results.

[0068] For example, life cycle assessment software could be GaBi (full name: thinkstep GaBi, product life cycle assessment software). This software has powerful data processing and analysis capabilities, and can accurately calculate the environmental impact data of the entire production and manufacturing process of a target titanium alloy based on the collected life cycle inventory data. This includes data such as carbon emissions and energy consumption, as well as environmental contribution data, such as the degree of contribution to reducing greenhouse gas emissions.

[0069] Thus, by combining the characteristics applicable to titanium alloy manufacturing in my country, such as resource types like sponge titanium, and the environmental load types and emission characteristics of various manufacturing processes such as titanium alloy smelting, casting, processing, heat treatment, and surface treatment, the environmental impact assessment model, impact types, and corresponding parameter data for aerospace titanium alloys were determined, and the environmental impact assessment for aerospace titanium alloys was completed.

[0070] Specifically, step 201 above includes steps 201-1 to 201-3:

[0071] Step 201-1: Obtain the lifecycle inventory data of the target titanium alloy.

[0072] Lifecycle inventory data (Level 1 data uses actual measured values ​​of enterprise production data; Level 2 data, i.e., background data, is a combination of the GABI database of lifecycle assessment software, the Ecoinvent database, the SinoCenter database in China, and relevant industry data, representing the industry average level).

[0073] Step 201-2: Based on preset environmental standard indicators and the life cycle inventory data, the environmental impact type of the target titanium alloy is selected.

[0074] Pre-defined environmental standards can be comprehensive data released by industry associations, internationally accepted environmental assessment standards, or standards specifically developed to meet the unique needs of the aerospace field. These pre-defined environmental standards cover multiple aspects, including resource consumption, energy utilization, and pollutant emissions, providing a clear basis for screening environmental impact types.

[0075] Based on these pre-defined environmental standards and indicators, a detailed screening of the life cycle inventory data can identify key indicators with significant environmental impacts, such as carbon dioxide emissions and energy consumption intensity. Furthermore, it can clarify the types of impacts corresponding to these indicators, such as the greenhouse effect and acid rain. This screening process helps to focus the assessment on key areas, improving the relevance and accuracy of the assessment.

[0076] For example, see Table 2 for examples of environmental impact types:

[0077] Table 2

[0078]

[0079] Step 201-3: Using life cycle assessment software, based on the life cycle inventory data and environmental impact type of the target titanium alloy, calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy.

[0080] First, referring to Figure 3, a preset cycle boundary is established. After determining the preset cycle boundary, the environmental impact types of the selected target titanium alloys and the acquired life cycle inventory data are input into the life cycle assessment software (such as GaBi software). The cycle boundary can be set manually as needed and is not limited here. The software will perform in-depth analysis and calculation on the input data based on the preset assessment model and algorithm.

[0081] During the calculation process, the software considers the interactions and cumulative effects between various types of environmental impacts to ensure the accuracy and comprehensiveness of the results. For example, when calculating carbon dioxide emissions, it considers not only direct emissions from manufacturing processes such as smelting and casting, but also indirect emissions from raw material transportation and energy production.

[0082] After software calculations, the environmental impact and environmental contribution data for the entire production process of the target titanium alloy were obtained. These data are presented in intuitive charts and numerical formats, facilitating analysis and comparison by assessors. The environmental impact data clearly demonstrates the environmental pressure exerted by titanium alloy production, such as greenhouse gas emissions and acid rain indices; while the environmental contribution data reflects the positive effects of titanium alloy production on resource conservation and improved energy efficiency.

[0083] The environmental impact data are shown in Table 3 below:

[0084] Table 3

[0085]

[0086] As one possible implementation, before step 201-3, it can be determined whether the life cycle inventory of the titanium alloy manufacturing process is complete and comprehensive, and whether the types of environmental impacts throughout the entire life cycle are accurate, specifically including:

[0087] (1) Whether the collection of titanium alloy manufacturing life cycle inventory data according to the energy and resource consumption type of titanium alloy and the manufacturing links such as smelting, casting, processing and forming, heat treatment, surface treatment, inspection, packaging and transportation covers all energy, resources and emissions inputs and outputs of the entire titanium alloy production process;

[0088] (2) Based on the life cycle inventory data and the comprehensive data released by relevant industry associations, select whether the environmental impact indicators and environmental impact types cover all types such as greenhouse gases, particulate matter, resource depletion, acidification, eutrophication, global warming, ozone depletion, photochemical smog generation potential, and human toxicity.

[0089] Step 202: Weighted score is performed on the overall performance and service life performance of the target titanium alloy to obtain the service life assessment result of the target titanium alloy.

[0090] Step 202-1: Obtain the full performance parameters of the target titanium alloy.

[0091] All performance parameters were obtained according to standard requirements, including chemical composition, dimensions and tolerances, β transition temperature, room temperature tensile properties, high temperature tensile properties, low magnification structure, high magnification structure, surface roughness, appearance quality, and non-destructive properties, as shown in Table 4.

[0092] Table 4

[0093]

[0094] Step 202-2: Obtain the service life performance of the target titanium alloy under aerospace conditions.

[0095] The service life performance under operational conditions includes the fatigue, creep, thermomechanical properties, fracture toughness, fatigue crack propagation rate, and fatigue crack propagation rate threshold of titanium alloys under aerospace operational conditions (high temperature, high pressure, and instantaneous start-stop conditions), as shown in Table 5.

[0096] Table 5

[0097]

[0098] Step 202-3: Based on the weight setting rules, determine the weights of the full performance parameters and service life performance under working conditions of the target titanium alloy.

[0099] The weighting rules employ the analytic hierarchy process (AHP) and / or scoring method to determine the weights of several full-performance parameters on service life.

[0100] Specifically, the Analytic Hierarchy Process (AHP) can decompose the complex problem of evaluating the performance of a target titanium alloy into multiple levels. The overall performance parameters and service life performance of the target titanium alloy are divided into multi-level indicators. For example, the overall performance parameters and service life performance of the target titanium alloy can be decomposed into multiple primary indicators such as chemical composition, mechanical properties, and service performance. Each primary indicator is further decomposed into several secondary indicators; for example, chemical composition can be decomposed into secondary indicators such as the content of each element. By constructing a judgment matrix, the relative importance of indicators at the same level is compared to obtain comparison results. Finally, based on the comparison results, the weights of the overall performance parameters and service life performance of the target titanium alloy are determined.

[0101] The scoring method involves obtaining a preset scoring standard, which is set according to the degree of influence of each full performance parameter and service life performance under working conditions on the service life of the titanium alloy. The scoring results of relevant personnel on the full performance parameters and service life performance under working conditions of the target titanium alloy are obtained. Based on the scoring results, the weights of the full performance parameters and service life performance under working conditions of the target titanium alloy are determined.

[0102] The weighting rules must fully consider the special requirements of the aerospace industry for titanium alloy performance, ensuring that the weight allocation is scientific and reasonable, and accurately reflects the influence of various performance parameters and service life performance under different operating conditions on the performance and service life of titanium alloys. For example, for aerospace titanium alloys operating in high-temperature and high-pressure environments, the weights of creep performance and fatigue performance in the service life performance under different operating conditions should be relatively high; while for titanium alloys used in aerospace components with extremely strict requirements for chemical composition, the weights of chemical composition-related indicators need to be appropriately increased. By reasonably determining the weights, an accurate basis can be provided for subsequent weighted scoring, making the evaluation results more objective and accurate.

[0103] Step 202-4: Based on preset scoring rules, score and weight the full performance parameters of the target titanium alloy and its service life performance under aerospace conditions to obtain the service life assessment result of the target titanium alloy.

[0104] The pre-set scoring rules need to comprehensively consider the characteristics of titanium alloy's full performance parameters, service life performance under various operating conditions, and the actual needs of the aerospace field. For example, for chemical composition indicators, scores can be set for different element content ranges. If the element content meets the stringent standards for aerospace titanium alloys, a higher score is given; otherwise, points are deducted accordingly. For mechanical properties such as room temperature tensile properties and high temperature tensile properties, different scores can be set according to the technical requirements they meet, with higher scores for better performance. For creep performance and fatigue performance in service life performance, scores can be based on the comparison between test results under specific operating conditions and standard values. A higher score is given if the standard value is exceeded within a certain range, and points are deducted if it is not met.

[0105] During the evaluation process, each full-performance parameter and service life performance under operating conditions are independently scored according to the preset scoring rules, and then weighted according to the weights determined in step 202-3. The score of each indicator is multiplied by its corresponding weight, and then the weighted scores of all indicators are summed to obtain the service life assessment result of the target titanium alloy. This service life assessment result comprehensively reflects the overall performance of the target titanium alloy in terms of chemical composition, mechanical properties, and service performance, providing an important reference for the selection of suitable titanium alloy materials in the aerospace field. For example, if the service life assessment result of a target titanium alloy is high, it indicates that it performs excellently in various performance indicators, better meets the requirements of aerospace operating conditions, and has a longer service life; conversely, if the service life assessment result is low, it indicates that the titanium alloy has deficiencies in certain performance aspects, and may require further improvement or careful selection. The calculation method for the weighted calculation is shown in Table 6.

[0106] Table 6

[0107]

[0108] Thus, referring to Figure 4, guided by practical application scenarios, the performance requirements of titanium alloy materials in the aerospace field are clearly defined. Based on the full performance parameters of titanium alloy product standards, the focus is on examining and testing the fatigue, creep, thermomechanical, and fracture properties of titanium alloys in aerospace applications (high temperature, high pressure, start-stop conditions), and other service life performance. Hierarchical analysis and scoring methods are used to determine the weighting factors of several properties' influence on service life, establishing a titanium alloy service life assessment model to obtain the service life assessment results of the target titanium alloy.

[0109] Step 203: Based on the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy, as well as the life assessment results, a comprehensive ecological design assessment result is obtained using a fuzzy matrix and scoring card model.

[0110] Fuzzy matrices are mathematical tools used for comprehensive evaluation, capable of handling information with fuzziness and uncertainty. In titanium alloy performance evaluation, fuzzy matrices can be used to integrate information from multiple sources, including environmental impact data, environmental contribution data, and lifespan assessment results. By establishing appropriate fuzzy relationships, the complex connections between various indicators can be quantified, thereby more accurately reflecting the overall performance of titanium alloys.

[0111] The scoring card model, based on a pre-defined scoring standard and weighting system, further analyzes and evaluates the data after fuzzy matrix processing. The model assigns corresponding weights to different indicators according to their importance, and then assigns scores based on the comparison between the measured values ​​and standard values ​​of each indicator. Finally, the scores of all indicators are summarized and calculated to obtain the comprehensive evaluation score of the target titanium alloy. This score can intuitively reflect the comprehensive performance level of the titanium alloy in terms of environmental friendliness, resource utilization efficiency, and service life throughout its entire life cycle, providing a strong basis for decision-making in the selection, optimization, and improvement of titanium alloys in the aerospace field. For example, in practical applications, titanium alloy materials with superior performance can be selected based on the comprehensive evaluation score to meet the stringent requirements of the aerospace field for high performance and high reliability.

[0112] Furthermore, referring to Figure 5, before utilizing the fuzzy matrix and scorecard model, the environmental impact data, environmental contribution data, and life assessment results of the entire production process of the target titanium alloy can be characterized and normalized. Based on the eigenvalues ​​before normalization and the normalized values, the comprehensive eco-design assessment results are obtained using the fuzzy matrix and scorecard model.

[0113] Preferably, when using fuzzy matrix and scoring card models to obtain comprehensive ecological design assessment results, the following principles can be referenced for comprehensive assessment:

[0114] (1) In the weighting factors of eco-design products, it is recommended that environmental impact assessment and service life assessment each account for 50%, while in the service life assessment, service life performance can be recommended to be 40%. The weight of each assessment parameter can also vary depending on the importance of the project and the results of expert evaluation. The total weight of all indicators is 100 points.

[0115] (2) The evaluation of each indicator of environmental impact type can be based on the average or advanced value of the current titanium alloy manufacturing level in a specific region or the advanced value of global titanium alloy manufacturing. The score of the project can be obtained by the ratio of the measured value of the indicator to the average or advanced value.

[0116] (3) The full performance parameter evaluation of titanium alloy products can be based on documents such as aerospace titanium alloy product standards and technical specifications. The scoring standards can be divided into meeting the specification requirements, which means that the item gets full marks, or benchmarking against the advanced values ​​in the industry, which means that different levels of scores can be obtained by meeting the advanced values ​​and qualified values.

[0117] (4) The ecological design value for aerospace titanium alloys is the weighted sum of the scores for each item. For example, the specific evaluation process can be found in Table 7 below:

[0118] Table 7

[0119]

[0120] It should be noted that in the table above, the evaluation of all performance parameters is based on the product standards and technical specifications for aerospace titanium alloys, and meeting the requirements will result in a score for that item; the score for each individual indicator of environmental impact type should be the measured value divided by the industry average, and a score is awarded if it is greater than 1, and the score can be adjusted according to the advanced values ​​in the industry; the weighting factor is based on the results of expert evaluation, and the total weight is 100%; the ecological design value of aerospace titanium alloys is the sum of the scores of each item and the calculated weights.

[0121] In summary, the eco-design performance evaluation method for aerospace titanium alloys proposed in this embodiment is based on a general eco-design evaluation model and indicators, and is optimized in three aspects: First, the life cycle inventory calculation method is improved, and the types of environmental load impacts are refined, making the environmental load assessment of the titanium alloy manufacturing process more scientific and reasonable; Second, by fully combining the requirements of the aerospace field for the actual operating conditions and service life of titanium alloy products, the weight factors of each life cycle influencing factor are associated through the analytic hierarchy process, and a titanium alloy life cycle evaluation model supported by the full performance data of the product and combined with the actual operating condition service life performance is established; Third, based on the whole life cycle concept and methodology, the environmental impact assessment and the operating condition service life assessment are integrated, and the fuzzy matrix and scoring card model are used to conduct a full index normalization analysis of the eco-design of titanium alloys, and finally the eco-design score of the titanium alloy product is obtained.

[0122] This method comprehensively incorporates environmental impact data, environmental contribution data, and lifespan assessment results from the entire titanium alloy manufacturing process. Utilizing fuzzy matrix and scoring card models for integrated evaluation, it provides a more scientific, accurate, and comprehensive titanium alloy performance evaluation solution for the aerospace field. It not only helps identify titanium alloy materials with superior performance and environmental friendliness but also provides strong decision support for the selection, optimization, and improvement of titanium alloys, promoting the continuous development and progress of titanium alloy technology in the aerospace sector. Furthermore, this method possesses a degree of versatility and scalability, and can be applied to the performance evaluation of metallic materials in other fields, contributing to the advancement of materials science.

[0123] Referring to Figure 6 below, the aerospace titanium alloy eco-design performance evaluation device 600 of this embodiment includes: an environmental evaluation module 601, a life evaluation module 602, and a comprehensive scoring module 603.

[0124] Among them, the environmental assessment module 601 is used to calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy based on the life cycle inventory data of the target titanium alloy using life cycle assessment software.

[0125] The life assessment module 602 is used to perform a weighted score on the overall performance and service life performance of the target titanium alloy under working conditions to obtain the life assessment result of the target titanium alloy.

[0126] The comprehensive scoring module 603 is used to obtain the comprehensive ecological design assessment results based on the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy, as well as the life assessment results, using a fuzzy matrix and scoring card model.

[0127] In some possible implementations, the environmental assessment module 601 includes:

[0128] The inventory acquisition unit is used to acquire the lifecycle inventory data of the target titanium alloy;

[0129] The type acquisition unit is used to filter and obtain the environmental impact type of the target titanium alloy based on the preset environmental specification indicators and the life cycle inventory data;

[0130] The software evaluation unit is used to calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy based on the life cycle inventory data and environmental impact type of the target titanium alloy using life cycle assessment software.

[0131] In some possible implementations, the life assessment module 602 includes:

[0132] A parameter acquisition unit is used to acquire the full performance parameters of the target titanium alloy;

[0133] Service performance acquisition unit, used to acquire the service life performance of the target titanium alloy under aerospace conditions;

[0134] The weight acquisition unit is used to determine the weights of the full performance parameters and service life performance under working conditions of the target titanium alloy based on the weight setting rules.

[0135] The life assessment unit is used to score and weight the full performance parameters and service life performance under aerospace conditions of the target titanium alloy based on preset scoring rules, and obtain the life assessment result of the target titanium alloy.

[0136] In some possible implementations, the weight acquisition unit includes:

[0137] Multiple acquisition components are used to determine the weights of the full performance parameters and service life performance of the target titanium alloy using the analytic hierarchy process and / or scoring method.

[0138] In some possible implementations, the multiple acquisition components include:

[0139] A grading component is used to classify the full performance parameters and service life performance of the target titanium alloy into multiple levels of indicators.

[0140] A judgment component is used to construct a judgment matrix, compare the relative importance of indicators at the same level in the multi-level indicators, and obtain the comparison results;

[0141] The first result component is used to determine the weights of the full performance parameters and service life performance of the target titanium alloy based on the comparison results.

[0142] In some possible implementations, the multiple acquisition components include:

[0143] The scoring indicator component is used to obtain preset scoring standards, which are set according to the influence of the full performance parameters of the target titanium alloy and the service life performance under working conditions on the service life of the titanium alloy.

[0144] The scoring component is used to obtain the scoring results of relevant personnel on the full performance parameters and service life performance under working conditions of the target titanium alloy;

[0145] The second result component is used to determine the weights of the full performance parameters and service life performance under operating conditions of the target titanium alloy based on the scoring results.

[0146] In some possible implementations, the comprehensive scoring module 603 includes:

[0147] The normalization unit is used to characterize and normalize the environmental impact data, environmental contribution data, and life assessment results of the entire production and manufacturing process of the target titanium alloy, and to obtain the characteristic values ​​and normalized values ​​before normalization.

[0148] The comprehensive evaluation unit is used to obtain the comprehensive ecological design evaluation results based on the eigenvalues ​​before normalization and the normalized values, using a fuzzy matrix and a scoring card model.

[0149] In this embodiment, the specific processing of the aerospace titanium alloy eco-design performance evaluation device 700 and the resulting technical effects can be referred to the relevant descriptions of the steps in the corresponding embodiment of Figure 2, and will not be repeated here.

[0150] Referring now to FIG7, a schematic diagram of a computer 700 suitable for implementing the electronic device of the present invention is shown. The computer 700 shown in FIG7 is merely an example and should not be construed as limiting the functionality and scope of the embodiments of the present invention.

[0151] As shown in Figure 7, the computer 700 may include a processing device (e.g., a central processing unit, a graphics processing unit, etc.) 701, which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM) 702 or a program loaded from a storage device 708 into a random access memory (RAM) 703. The RAM 703 also stores various programs and data required for the operation of the computer 700. The processing device 701, ROM 702, and RAM 703 are interconnected via a bus 704. An input / output (I / O) interface 705 is also connected to the bus 704.

[0152] Typically, the following devices can be connected to I / O interface 705: input devices 706 including, for example, touchscreens, touchpads, keyboards, mice, cameras, microphones, etc.; output devices 707 including, for example, liquid crystal displays (LCDs), speakers, vibrators, etc.; storage devices 708 including, for example, magnetic tapes, hard disks, etc.; and communication devices 709. Communication device 709 allows computer 700 to communicate wirelessly or wiredly with other devices to exchange data. Although Figure 7 illustrates a computer 700 with various devices, it should be understood that it is not required to implement or possess all of the devices shown. More or fewer devices may be implemented or possessed alternatively.

[0153] In particular, according to embodiments of the present invention, the processes described above with reference to the flowcharts can be implemented as computer software programs. For example, embodiments of the present invention include a computer program product comprising a computer program carried on a computer-readable medium, the computer program containing program code for performing the methods shown in the flowcharts. In such embodiments, the computer program can be downloaded and installed from a network via a communication device 709, or installed from a storage device 708, or installed from a ROM 702. When the computer program is executed by a processing device 701, it performs the functions defined in the methods of the embodiments of the present invention.

[0154] It should be noted that the computer-readable medium described above in this invention can be a computer-readable signal medium, a computer-readable storage medium, or any combination thereof. A computer-readable storage medium can be, for example,—but not limited to—an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor device or apparatus, or any combination thereof. More specific examples of a computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer disk, a hard disk, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination thereof. In this invention, a computer-readable storage medium can be any tangible medium containing or storing a program that can be executed by instructions, used by a device or apparatus, or used in conjunction with it. In this invention, a computer-readable signal medium can include a data signal propagated in baseband or as part of a carrier wave, carrying computer-readable program code. Such propagated data signals can take various forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination thereof. A computer-readable signal medium may be any computer-readable medium other than a computer-readable storage medium, which can send, propagate, or transmit a program for use by or in connection with instructions, apparatus, or device. The program code contained on the computer-readable medium can be transmitted using any suitable medium, including but not limited to: wires, optical fibers, RF (radio frequency), etc., or any suitable combination thereof.

[0155] The aforementioned computer-readable medium may be included in the aforementioned electronic device; or it may exist independently and not assembled into the electronic device.

[0156] The aforementioned computer-readable medium carries one or more programs, which, when executed by the electronic device, cause the electronic device to implement the methods shown in the embodiments and optional embodiments of FIG2.

[0157] Computer program code for performing the operations of this invention can be written in one or more programming languages ​​or a combination thereof, including object-oriented programming languages ​​such as Java, Smalltalk, and C++, as well as conventional procedural programming languages ​​such as the "C" language or similar programming languages. The program code can be executed entirely on the user's computer, partially on the user's computer, as a standalone software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or cloud server. In cases involving remote computers, the remote computer can be connected to the user's computer via any type of network—including a local area network (LAN) or a wide area network (WAN)—or can be connected to an external computer (e.g., via the Internet using an Internet service provider).

[0158] The flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of methods and computer program products according to various embodiments of the present invention. In this regard, each block in a flowchart or block diagram may represent a module, segment, or portion of code containing one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions indicated in the blocks may occur in a different order than those indicated in the drawings. For example, two consecutively indicated blocks may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. It should also be noted that each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, may be implemented using dedicated hardware-based implementations that perform the specified functions or operations, or using a combination of dedicated hardware and computer instructions.

[0159] The units or modules described in the embodiments of the present invention can be implemented in software or hardware. In some cases, the user identifier of a unit or module does not constitute a limitation on the unit itself.

[0160] The above description is merely a preferred embodiment of the present invention and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of disclosure in this invention is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-disclosed concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this invention.

Claims

1. A method for evaluating the eco-design performance of titanium alloys for aerospace applications, characterized in that, The method includes: using life cycle assessment software, based on the life cycle inventory data of the target titanium alloy, calculating the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy; weighting and scoring the full performance parameters and service life performance under various operating conditions of the target titanium alloy to obtain the life assessment result of the target titanium alloy; and using fuzzy matrix and scoring card models, obtaining the comprehensive eco-design assessment result based on the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy and the life assessment result.

2. The method according to claim 1, characterized in that, The step of using life cycle assessment software to calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy based on the life cycle inventory data of the target titanium alloy includes: obtaining the life cycle inventory data of the target titanium alloy; selecting the environmental impact type of the target titanium alloy based on the life cycle inventory data according to preset environmental standard indicators; and using life cycle assessment software to calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy based on the life cycle inventory data and environmental impact type of the target titanium alloy.

3. The method according to claim 1, characterized in that, The step of weighted scoring of the full performance parameters and service life performance under aerospace conditions of the target titanium alloy to obtain the service life assessment result of the target titanium alloy includes: obtaining the full performance parameters of the target titanium alloy; obtaining the service life performance of the target titanium alloy under aerospace conditions; determining the weights of the full performance parameters and service life performance under aerospace conditions of the target titanium alloy based on weight setting rules; and scoring and weighting the full performance parameters and service life performance under aerospace conditions of the target titanium alloy based on preset scoring rules to obtain the service life assessment result of the target titanium alloy.

4. The method according to claim 1, characterized in that, The step of determining the weights of the full performance parameters and service life performance of the target titanium alloy based on weight setting rules includes: using the analytic hierarchy process (AHP) and / or a scoring method to determine the weights of the full performance parameters and service life performance of the target titanium alloy.

5. The method according to claim 4, characterized in that, The weights of the full performance parameters and service life performance under operating conditions of the target titanium alloy are determined using the analytic hierarchy process (AHP). This includes: dividing the full performance parameters and service life performance under operating conditions of the target titanium alloy into multi-level indicators; constructing a judgment matrix to compare the relative importance of each indicator at the same level among the multi-level indicators to obtain comparison results; and determining the weights of the full performance parameters and service life performance under operating conditions of the target titanium alloy based on the comparison results.

6. The method according to claim 4, characterized in that, A scoring method is used to determine the weights of the full performance parameters and service life performance under operating conditions of the target titanium alloy, including: obtaining a preset scoring standard, which is set according to the degree of influence of the full performance parameters and service life performance under operating conditions of the target titanium alloy on the service life of the titanium alloy; obtaining the scoring results of relevant personnel on the full performance parameters and service life performance under operating conditions of the target titanium alloy; and determining the weights of the full performance parameters and service life performance under operating conditions of the target titanium alloy based on the scoring results.

7. The method according to claim 1, characterized in that, The process of obtaining a comprehensive ecological design assessment result based on the environmental impact data, environmental contribution data, and life assessment results of the entire production and manufacturing process of the target titanium alloy, using a fuzzy matrix and scoring card model, includes: performing characterization and normalization processing on the environmental impact data, environmental contribution data, and life assessment results of the entire production and manufacturing process of the target titanium alloy to obtain the unnormalized eigenvalues ​​and normalized values; and obtaining the comprehensive ecological design assessment result based on the unnormalized eigenvalues ​​and normalized values ​​using a fuzzy matrix and scoring card model.

8. A device for evaluating the eco-design performance of titanium alloys for aerospace applications, characterized in that, The device includes: an environmental assessment module, used to calculate the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy using life cycle assessment software based on the life cycle inventory data of the target titanium alloy; a life assessment module, used to perform weighted scoring on the overall performance and service life performance of the target titanium alloy to obtain the life assessment result of the target titanium alloy; and a comprehensive scoring module, used to obtain a comprehensive eco-design assessment result based on the environmental impact data and environmental contribution data of the entire production and manufacturing process of the target titanium alloy and the life assessment result, using a fuzzy matrix and scoring card model.

9. An electronic device, characterized in that, include: One or more processors; A storage device having one or more programs stored thereon, which, when executed by the one or more processors, cause the one or more processors to implement the method as described in any one of claims 1-7.

10. A readable storage medium having executable instructions stored thereon, characterized in that, When the executable instructions are executed by the processor, they implement the method as described in any one of claims 1-7.

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