85 results about "Natural aging" patented technology

The invention provides a simulated aging test method for an antifouling coating. The simulated aging test method comprises the following steps: S1, constructing a natural aging performance model of the antifouling coating; s2, constructing an accelerated aging model of the antifouling coating and acquiring an acceleration ratio N of natural aging to accelerated aging; s3, based on an accelerated aging model, acquiring an acceleration period Mi corresponding to a critical threshold R (temporary i) of a copper ion exudation rate, wherein the predicted life Lp (temporary i) of the antifouling coating is equal to Mi * N; and S4, based on a natural aging model, obtaining a predicted copper ion exudation rate R < pre-i > corresponding to the predicted life Lp < pre->, judging whether R < pre-i >-R < critical i > / R < critical i > is less than or equal to 10%, if so, outputting a near threshold R < critical i > and the predicted life Lp < pre-i >, and if not, adjusting the critical threshold of the copper ion exudation rate to R < critical i + 1 > and returning to the step S3. According to the method, the performance failure threshold value of the antifouling coating is taken as a boundary condition, the performance of the antifouling coating is rapidly evaluated, the service life of the antifouling coating is quantitatively predicted, the prediction result is subjected to cooperative cross validation through linkage double models, and the reliability is improved.

The invention belongs to the technical field of steel production, and relates to a method for producing a low-cost high-strength galvanized sheet based on thin-strip cast rolling. After molten steel is subjected to thin-strip continuous casting to obtain a casting strip, the casting strip is rolled into a thin strip in a single pass mode, the thin strip is coiled after being cooled through aerial fog, then hot-dip galvanizing is conducted on a continuous hot-dip galvanizing production line after acid pickling is conducted, the annealing temperature of a galvanizing section is 640-720 DEG C, and then the thin strip is placed at the room temperature for more than 35 days after leveling is conducted. According to the method, supersaturated solid solution of C and N atoms in the thin strip casting and rolling sub-rapid solidification process is fully utilized, the high solid solution state is maintained by combining hot rolling and galvanizing section short-time and low-temperature design, finally, strength jump is driven by means of natural aging after production, and the high-strength galvanized plate with good stamping performance is obtained under a simple C-Si-Mn component system. The problems that the high-strength galvanized plate forming capacity of a traditional high-carbon route is insufficient, and the alloy cost of a low-carbon microalloy route is high are solved, and meanwhile carbon emission in the product production process is greatly reduced.

The invention belongs to the field of heat treatment numerical simulation of aluminum alloy large forgings, and discloses a method for predicting the influence of natural aging on cold pressing loads and stress fields of aluminum alloy forgings. According to the method, the influence of different natural aging times is introduced into the cold pressing deformation behavior prediction model of the aluminum alloy forging, so that the cold deformation behaviors of the 7xxx series aluminum alloy under different natural aging times can be accurately predicted; on the basis, prediction of load and stress field evolution of the aviation die forgings treated by different natural aging times in the cold pressing production process is achieved, and guidance is provided for optimizing the production technology and procedure of the 7xxx series aluminum alloy large aviation die forgings.

The invention discloses a submarine cable insulating material comprehensive aging evaluation method and system based on a time scaling equivalent axis, and relates to the technical field of submarine cable insulating material aging evaluation. The method aims at solving the problems that equivalent alignment of acceleration and natural aging data cannot be achieved, multi-index evaluation is contradictory, and the evaluation period is long in an existing method. The method comprises the following steps: acquiring a plurality of preset performance parameters of a submarine cable insulation material after an electric-thermal-force multi-physical field accelerated aging test, synthesizing a comprehensive aging index after homodromous mapping and robust standardization processing, establishing equivalent mapping of accelerated and natural service time through a linear scaling coefficient, and calculating the aging index of the submarine cable insulation material according to the equivalent mapping. And a service life evaluation result or reliability warning information is output after consistency checking. According to the technical scheme, the aging state and the service life of the submarine cable insulating material can be accurately and efficiently evaluated, and support is provided for material screening, service life evaluation and safety decision making of submarine cable engineering.

The invention discloses a method for rescuing and reusing a 6-series aluminum alloy natural aging expired material for an automobile sheet, which comprises the following steps: 1) solid solution heat treatment at the temperature of 520-535 DEG C; 2) pre-aging heat treatment, wherein the pre-aging heat treatment temperature is 70-85 DEG C; according to the method disclosed by the invention, the 6-series aluminum alloy which is naturally stored for more than 6 months or has poor performance and cannot meet the stamping requirement when the yield strength is increased by more than 40MPa compared with the original yield strength can obtain high formability again, and the material performance reduction caused by aging is avoided, so that the 6-series aluminum alloy can be put into use again.

The invention relates to the technical field of injection molding metal-polymer joint aging performance prediction, and particularly discloses an injection molding metal-polymer joint hygrothermal aging strength prediction method based on an Informer-SENet model. Aiming at the problem that a pure data driving model is insufficient in generalization ability under a small sample, an improved Informer-SENet prediction network is constructed by fusing the long sequence modeling ability of an Informer model and a feature channel re-calibration mechanism of SENet, the metal-polymer joint strength prediction precision can be remarkably improved, and the prediction accuracy of the metal-polymer joint strength is improved. The prediction precision of the method is much higher than that of existing traditional machine learning and deep learning methods. In addition, an improved secretary bird optimization algorithm (ISBOA) is adopted, and the global search capability is improved. The invention provides a new method for predicting the natural aging strength degradation data by utilizing the joint hygrothermal aging strength degradation data based on the deep learning model, so that the experiment cost is remarkably reduced, and more reliable technical support is provided for industrial application.

The invention belongs to the technical field of surface modification, and particularly relates to a super-hydrophobic insulating coating with a surface microstructure and a preparation method and application of the super-hydrophobic insulating coating. The defects of poor environmental stability, low regulation and control precision, insulation performance attenuation and the like in the prior art are overcome, the static contact angle of the disclosed super-hydrophobic insulation coating is larger than or equal to 150 degrees, the rolling angle is smaller than or equal to 5 degrees, meanwhile, the insulation strength is larger than or equal to 90% of that of an original substrate (the breakdown field strength is larger than or equal to 20 kV / mm), and collaborative optimization of the super-hydrophobic performance and the insulation performance is achieved; moreover, after the coating is naturally aged outdoors for 3 years, the contact angle change rate is smaller than or equal to 10%, the insulation strength attenuation rate is smaller than or equal to 8%, and the long-term environmental stability of the super-hydrophobic insulating coating is effectively improved. A precise regulation and control mechanism is also established based on a molecular dynamics simulation-based low-droplet adhesion microstructure insulation surface design method, so that the droplet contact time is reduced by more than 60% compared with a flat surface, the instantaneous leakage current is reduced by 40%-60%, and the method not only adapts to a polluted environment with the temperature range of-40 DEG C to 180 DEG C and the salt mist concentration of less than or equal to 0.5 mg / m, but also meets the preparation requirements of power equipment with complex shapes.

The application discloses a method for evaluating the protection effect of a coating on a marine concrete structure, and the method comprises the following steps: testing the chloride ion content in the target surface coating concrete; establishing the relationship between the coating chloride ion diffusion coefficient ratio and the natural aging time under the environment of the engineering concrete based on the chloride ion content, the ultraviolet cumulative radiation of the environment where the engineering concrete is located, and the ultraviolet cumulative radiation accepted by the target surface coating concrete during the aging process; obtaining the time when the chloride ion in the engineering concrete diffuses to the surface of the concrete under the environment of the engineering concrete according to the initial coating chloride ion diffusion coefficient, the coating thickness and the fitting constant; and determining the protection effect of the coating on the engineering concrete according to the time when the chloride ion in the engineering concrete diffuses to the surface of the concrete. Therefore, the protection effect of the coating on the concrete structure can be more accurately judged, and the method can be widely applied to the field of evaluating the protection effect of the coating on the concrete structure.

This application belongs to the field of virtual art restoration technology, specifically providing a deep learning-based virtual art restoration system. The system primarily analyzes historical images and environmental data of the artifact and restoration materials to train an aging prediction model and simulate long-term appearance changes. By quantitatively comparing the differences and stability of their aging trajectories, it calculates the long-term compatibility score for each restoration material and automatically selects the optimal material to generate the final virtual restoration image. This application effectively solves the problem in existing technologies where it is difficult to predict significant visual differences that may appear between restoration materials and the artifact itself after long-term natural aging, ultimately leading to insufficient durability of the restoration results. It achieves scientific prediction and optimized selection of the long-term visual compatibility of restoration schemes, significantly improving the reliability and stability of restoration results and reducing the risk of restoration failure due to material aging incompatibility.

The invention provides an automobile coating anti-aging performance evaluation method based on a natural aging test, and the method comprises the steps: S101, setting an automobile coating anti-aging performance evaluation index, determining a performance evaluation index weight, and determining a score assignment rule of the evaluation index according to the index weight; s102, the evaluation indexes are checked, measured and tested before the aging test, and the initial state before the test is confirmed; s103, carrying out a natural aging test on the automobile coating; s104, checking, measuring and testing the tested automobile coating, and confirming the aging state after the test; s105, calculating an evaluation index aging value according to a comparison result of the initial state and the aging state; s106, combining inspection, measurement and test results with each evaluation index aging value, and calculating a comprehensive evaluation score; and S107, performing star-level evaluation on the automobile coating, and constructing a coating performance prediction model. The anti-aging performance evaluation scale is provided for the automobile industry, and a direction is pointed out for automobile coating product improvement, quality improvement, material selection, research and development and design.

The invention discloses an impact-resistant electroplating primer for elastomer plastic balls. The impact-resistant electroplating primer is prepared from the following raw materials in parts by weight: 30-50 parts of modified alkyd resin, 15-25 parts of C9 petroleum resin, 1-5 parts of a drier, 45-55 parts of a solvent and 0.1-1 part of an auxiliary agent. By adopting the combination of the soybean oil modified alkyd resin and the TDI modified alkyd resin, the adhesive force of the primer can be improved, the toughness of the primer is improved, and the durability of the adhesive force of a paint film is improved to a certain extent. The composition of the cobalt iso-octoate drier, the zirconium iso-octoate drier and the manganese iso-octoate drier is adopted, the weight ratio of the cobalt iso-octoate drier to the zirconium iso-octoate drier to the manganese iso-octoate drier is 1: 1: 1, brittleness of a paint film can be improved, and a transparent and bright paint film layer is formed. The coating is applied to balls made of ABS and PS blanks, has good adhesive force and can bear natural aging for one year, and a paint film is not prone to falling off after being impacted.

This invention discloses a method for assessing the long-term heavy metal release risk of biochar based on chemical oxidation simulation. The method includes: first, naturally culturing homologous biochar samples in soil to obtain a baseline value W0 for the target heavy metal release ratio; simultaneously, conducting a standardized accelerated aging experiment with an oxidant solution; and determining the number of aging cycles N required to reach W0 by comparison, thereby establishing a quantitative conversion relationship between "number of aging cycles" and "natural aging time". Then, the same accelerated aging experiment is performed on the biochar to be tested, and the number of experimental cycles is converted into an equivalent natural aging time using the quantitative relationship. A long-term release kinetic prediction model is then fitted and constructed, ultimately achieving rapid and quantitative prediction of the cumulative heavy metal release ratio after a target number of years. This invention provides an efficient and reliable tool for assessing the long-term chemical oxidation stability of biochar.

The invention relates to the technical field of machining, in particular to a machining method and clamp for reducing deformation of an oil chamber cover plate, after casting of the oil chamber cover plate is completed, destressing treatment is conducted, part of allowance is roughly machined, and natural aging or artificial aging is conducted; semi-finishing the end face, the outer circle and the inner hole of the oil chamber cover plate, eliminating the deformed part, and marking the position relationship among the holes; according to the method, most of holes of the oil chamber cover plate are machined based on drawing requirements, a clamp is used for clamping and finish machining of the end face of the oil chamber cover plate based on the positions of the holes, and finally, the remaining unmachined holes are finish machined, according to the method, part internal stress can be released in advance by removing stress and reducing part size or form and location tolerance out-of-tolerance caused by stress deformation, and most allowance is removed through rough machining; the special clamp is used for clamping, part deformation caused by three-jaw clamping is avoided, deformation of the part in the machining process is reduced, and meanwhile the perpendicularity and parallelism of the end face of the part and the form and location tolerance requirements of jumping of an inner hole and the like are met.

The application provides an artificial aging method of a natural aging state 6xxx Al-based material, wherein the artificial aging method of the natural aging state 6xxx Al-based material comprises the following steps: heating the natural aging state 6xxx Al-based material after solid solution and quenching treatment to 170-200 DEG C at a heating rate of not higher than 2 DEG C / min; performing high-temperature artificial aging treatment on the natural aging state 6xxx Al-based material after the heating treatment at a temperature of 170-200 DEG C to obtain an under-aged state 6xxx Al-based material; cooling the under-aged state 6xxx Al-based material to 100-130 DEG C; and performing low-temperature artificial aging treatment on the under-aged state 6xxx Al-based material after the cooling treatment at a temperature of 100-130 DEG C to obtain a 6xxx Al-based material. The application controls the high-temperature artificial aging and the low-temperature artificial aging, inhibits the parking effect, promotes the transition of atomic clusters to precipitated phases, avoids the formation of coarse precipitated phases, and improves the strengthening capacity of the artificial aging of the natural aging state 6xxx Al-based material.

The invention discloses a steel slag free metal oxide rapid reduction device, and relates to the technical field of steel slag treatment.The steel slag free metal oxide rapid reduction device comprises a storage bin and further comprises a gas storage steel cylinder, the gas storage steel cylinder is fixedly arranged on one side of the bottom of the storage bin, and a siphon is fixedly arranged at a bottle opening of the gas storage steel cylinder. The problems that a traditional natural aging method is long in period and a wet digestion method is low in efficiency are solved, atomized water sprayed by an atomizing nozzle quickly activates free calcium oxide and free magnesium oxide, an electric three-way valve switches a gas supply pipeline according to the material level, it is ensured that carbon dioxide accurately makes contact with steel slag, the digestion period is shortened, and the digestion rate is increased; a main gas supply nozzle and an auxiliary gas supply nozzle are arranged at the two-thirds high position and the one-third high position of the storage bin correspondingly, the full-bin or half-bin working condition is adapted through an electric three-way valve, carbon dioxide empty spraying waste is avoided, and the gas utilization rate is increased.

This invention discloses a precise testing method for the tensile properties of naturally aged SWRH82B steel wire rod, belonging to the field of metallic material performance testing technology. The method includes: sample preparation: selecting 12.5mm SWRH82B steel wire rods from the same batch, removing defects, and processing to uniform dimensions, then naturally aging them at 5℃ for at least 3 weeks; tensile parameter setting: adopting a two-stage control mode, using a strain control rate of 0.02-0.2%S, displacement control for tensile strength Rm testing, and simultaneous recording of reduction of area Z%; standardized testing: performing tensile tests on a microcomputer-controlled electro-hydraulic servo universal testing machine according to preset parameters; result correction: data correction based on the steel wire rod's microstructure, nitrogen and hydrogen content, and surface quality. This invention can accurately reflect the true tensile properties of SWRH82B steel wire rods, is suitable for factory quality control and engineering acceptance scenarios, and is suitable for standardized promotion and application.

This invention discloses a composite deformation heat treatment process for improving the strength and corrosion resistance of aluminum-lithium alloys, belonging to the field of aluminum-lithium alloy preparation technology. The composite deformation heat treatment process for improving the strength and corrosion resistance of aluminum-lithium alloys of this invention includes the following steps: (1) performing solution treatment, water quenching, and natural aging treatment on the aluminum-lithium alloy in sequence; (2) performing pre-deformation treatment on the aluminum-lithium alloy treated in step (1); (3) performing non-isothermal aging treatment on the aluminum-lithium alloy treated in step (3); wherein, the pre-deformation amount of the pre-deformation treatment is 4~10%; the non-isothermal aging treatment is to first raise the temperature from 40℃ to 140~200℃ and then lower the temperature to 100~160℃; the aluminum-lithium alloy treated by the composite deformation heat treatment process of this invention has both good mechanical properties and corrosion resistance.

The application provides a natural aging strengthened anodizable die-casting aluminum alloy material, which comprises the following components in percentage by mass: Si is less than or equal to 0.15; Fe is less than or equal to 0.15; Cu is less than or equal to 0.05%; Mn is 1.85-2.5; Mg is 0.4-1.0; Zn is 2.0-4.0; Ti is less than or equal to 0.1; Ni is less than or equal to 0.1; Pb is less than or equal to 0.1; Sn is less than or equal to 0.01; and Cd is less than or equal to 0.01. The natural aging strengthened anodizable die-casting aluminum alloy material provided by the application not only can realize very beautiful color anodization effect, but also has relatively high strength. Compared with the anodizable die-casting aluminum alloy material in the prior art, the strength of the alloy material is further significantly improved after two months of natural aging, and the alloy material has very good natural aging strengthening characteristics. Moreover, the material can pass the heat resistance test of 500 DEG C*3 hours without discoloration and deformation, and has good heat resistance.

A kind of Al-Zn-Mg high-strength aluminum alloy laser-MIG composite welding method based on adjustable swing frequency, the method comprises the following steps: welding preparation, the surface of Al-Zn-Mg high-strength aluminum alloy to be welded workpiece needs to be polished, cleaned and dried to remove oxide film, dirt and other impurities;Welding process parameter setting and execution, the swing frequency of laser beam is adjusted during welding, and the synergistic effect of MIG arc is used to realize the precise control of molten pool flow behavior;Welding post-processing, artificial aging or natural aging method is used for post-welding treatment to eliminate welding residual stress and improve joint mechanical properties.The invention optimizes the swing frequency parameter, effectively suppresses the defects such as hot crack and porosity that easily occur during welding of Al-Zn-Mg high-strength aluminum alloy, significantly improves the strength and corrosion resistance of the welded joint, and is suitable for the welding requirements of high-performance aluminum alloy components in the fields of aerospace, rail transportation, etc.

The invention belongs to the new technical field of white spirit brewing, and particularly relates to a method for accelerating aging of white spirit through a hydrothermal synergistic electro-catalysis process, which specifically comprises the following steps: introducing newly-brewed white spirit into an aging container, carrying out electro-catalysis treatment, selecting titanium-plated platinum as an electrode material, and carrying out hydrothermal reaction synergistic treatment at the same time; after electro-catalysis treatment, constant-temperature water bath treatment is conducted, the operation is repeated for 3-5 times, and the treatment interval is 30-50 min. The content of acetal in the white spirit treated by the method is increased, the content of ester substances such as ethyl hexanoate and ethyl acetate is obviously increased, and irritant components such as low-grade saturated fatty aldehyde and fusel oil are reduced. The treated white spirit has the aroma of aged white spirit, tastes soft and soft, contains typical aromatic odor of the white spirit, has prominent flavor and is mellow and pleasant during drinking, and is equivalent to natural ageing for 1-3 years, so that the ageing period of the white spirit is greatly shortened, and the ageing cost of the white spirit is reduced.

The application discloses a hot-rolled wire rod 30Si2Mn for prestressed steel rods and a preparation method thereof. The hot-rolled wire rod comprises the following components in percentage by weight: C: 0.28%-0.33%, Si: 1.55%-1.70%, Mn: 0.65%-0.80%, P: <=0.020%, S: <=0.020%, Ni: <=0.20%, Cr: <=0.20%, Cu: <=0.20%, H <=0.0003%, and the balance of Fe and inevitable impurity elements. By designing the optimal component system, optimizing the controlled rolling and controlled cooling process, improving the mechanical properties of the wire rod, prolonging the wire rod online slow cooling time by taking process measures, releasing hydrogen and internal stress, controlling the hydrogen content below 3ppm, and achieving the section shrinkage rate above 50% after natural aging, hydrogen-induced delayed fracture of the prestressed steel rod is effectively avoided, and the safety of the construction engineering is improved.

The invention provides an equivalent simulation method and system for artificial accelerated aging of a composite insulator, and relates to the technical field of insulator equivalence, and the method comprises the steps: obtaining naturally aged insulators with different operation years; acquiring accelerated aging insulators with different aging degrees; performing performance test on the accelerated aging insulator and the natural aging insulator to obtain a plurality of key aging characteristic indexes; calculating a health state index based on the key aging characteristic index; constructing a health state index prediction model based on the health state index; and performing multi-objective optimization on the equivalent accelerated aging environment parameters and acceleration time of the actual natural aging composite insulator based on the health state index prediction model to obtain the equivalent optimal accelerated aging environment parameters and the optimal acceleration time of the actual natural aging composite insulator. According to the invention, the problem of low reality correlation and data reliability of test results caused by low accuracy and consistency of equivalent simulation results when the aging degree is evaluated in the prior art is solved.

The application relates to a high-plasticity super-high-strength cord steel wire rod and a production process thereof. The chemical components of the cord steel wire rod include the following in percentage by mass: C: 0.90%-0.94%, Si: 0.17%-0.30%, Mn: 0.30%-0.48%, Cr: 0.17%-0.50%, P: <=0.012%, S: <=0.008%, Ni: <=0.05%, Cu: <=0.05%, Al: <=0.0030%, Ti: <=0.0020%, O: <=0.0020%, and N: <=0.0045%. Based on the medium rectangular billet heavy pressing, one-fire straight rolling and grading controlled cooling process, the application can effectively improve the segregation of the casting billet, avoid the production cost increase caused by the second-fire material forming, inhibit the formation of abnormal net-shaped carbide and martensite structure, shorten the natural aging period, has excellent deep drawing processing performance, and can be used for the production of 90-grade and 92-grade super-high-strength cord steel wire rods.

The invention relates to the technical field of mirror frame processing, and discloses a mirror frame coating processing method with waterproof and sunscreen capabilities, which comprises the following steps: S1, cleaning and plasma treatment are carried out on a mirror frame base material; s2, coating a silicon dioxide bottom film by adopting a magnetron sputtering method; s3, coating a waterproof and sunscreen composite film formed by mixing nano titanium dioxide and an organic silicon waterproof agent by adopting a spraying method; s4, coating a silicon dioxide-aluminum oxide composite protective layer by adopting a sol-gel method; and S5, carrying out natural aging treatment on the coated mirror frame. By adopting the plasma pretreatment and multi-layer coating film structure design, the bonding force of the coating film and the mirror frame base material is remarkably improved, the problem of coating film stripping is effectively solved, and the mirror frame has excellent waterproof and sunscreen performance through the synergistic effect of the nano titanium dioxide and the organic silicon waterproof agent.

The invention belongs to the technical field of food brewing, and provides a construction method and application of an artificial apple vinegar aging accelerating system based on multiple technologies. According to the construction method of the artificial aging accelerating system for the apple vinegar, a natural aging mechanism is systematically analyzed, multiple technologies such as slightly dissolved oxygen regulation and control, magnetic field induction treatment, cold and hot stress stimulation and ultrasonic intervention are innovatively integrated, and artificial aging accelerating optimization is carried out on the apple vinegar. A liquid chromatography-mass spectrometry (LC-MS) technology and a gas chromatography-mass spectrometry (GC-MS) technology are researched and combined, changes of nutritional ingredients and flavor substances of the aged product are comprehensively analyzed, and finally the optimal process combination is screened out. According to the process, the aging period is remarkably shortened, and three breakthroughs are realized at the same time: the total ester content is increased to 6.14 g / L from 3.464 g / L, the ester aroma component index is increased to 35.80% from 24.25%, and the flavor complexity and the product stability are remarkably improved.

The invention relates to the technical field of agriculture, in particular to a method for fusing anaerobic fermentation compost, which comprises the following steps: mixing organic waste raw materials, and adding sodium citrate and magnesium sulfate for treatment; feeding the treated raw materials into an anaerobic reactor, adding an iron-based core-shell structure material, controlling the pH value of the system, and carrying out anaerobic fermentation to obtain digestion residues; bicarbonate and sodium citrate are added into the digestion residues to be mixed; and entering an aerobic composting stage, controlling the moisture content of the pile body under an oxygen supply condition, heating the pile body, maintaining the pile body to enter a decomposition stage, and carrying out natural aging to produce a decomposed organic fertilizer. In the invention, by virtue of the porous structure and surface characteristics of the iron-based core-shell structure material, not only is the stability of the fermentation process ensured, but also the microbial electron transfer process is optimized, and the methane production efficiency is improved; the compound microbial agent effectively increases the number of effective microbial communities, improves the temperature and ventilation conditions in the composting process, and ensures uniform decomposition of the organic wastes.

The present application belongs to the technical field of aluminum alloy heat treatment, and discloses a composite deformation heat treatment method for inhibiting natural aging of aluminum alloy for automobiles and improving artificial aging response. The method comprises the following steps: 1) heat preservation, rapid cooling, cold rolling, and completion of pre-deformation of the rolled deformed aluminum alloy plate; 2) heat preservation and completion of intermediate pre-aging of the alloy plate after the pre-deformation; 3) cold rolling and completion of post-deformation of the alloy plate after the intermediate pre-aging; and 4) placing the alloy plate after the post-deformation at room temperature, heat preservation, and completion of final aging. The method of the present application inhibits the formation of atom clusters at room temperature in the natural aging process, promotes the precipitation of strengthening phase in the artificial aging process, fully plays the dispersion strengthening effect, realizes significant artificial aging response, and maintains a high response amount after the natural aging, especially the tensile strength is significantly improved, and excellent plasticity is exhibited. The present application is easy to mass produce.

This invention discloses a two-stage steaming and purification process for light-aroma baijiu that incorporates Ru porcelain mineral elements. Belonging to the field of baijiu brewing technology, it aims to solve the problems of a single flavor structure and long aging period in traditional light-aroma baijiu processes. This innovative process uses activated Ru porcelain mineral elements as fermentation aids and aging catalysts, introduced in both fermentation stages. This works synergistically with the traditional two-stage steaming and purification technique to optimize the microbial metabolic environment from the source, promoting the coordinated formation of the main flavor esters. During the aging stage, the elements continuously dissolve, catalyzing molecular association and maturation reactions, significantly shortening the natural aging time. This technology significantly enhances the body's mellowness, sweetness, and cleanliness without altering the typical style of light-aroma baijiu, and endows it with a unique mineral-rich, aged flavor, achieving a simultaneous leap in quality and efficiency.

This invention discloses a method and system for assessing equipment health and predicting remaining lifespan based on a dual degradation mechanism. The method includes: initializing the equipment's health and vulnerability; updating the health based on a preset natural wear rate within each discrete time step; if a fault event occurs within the current time step, calculating the damage amount based on the severity, duration, and current vulnerability of the fault event, and updating the health and vulnerability accordingly; if the fault is resolved, calculating the recovery amount of the health based on a preset recovery factor, and updating the health accordingly; updating the vulnerability based on a preset forgetting factor; and calculating the remaining lifespan of the equipment based on the updated health and a preset failure threshold. Compared with existing technologies, this invention achieves real-time accurate assessment of equipment health status and precise prediction of remaining lifespan through a dual degradation mechanism of natural aging and fault impact, and its damage memory effect.

The present application belongs to the technical field of recycled aluminum alloy, and discloses a composite treatment method for modifying Fe-rich phase of 6016 recycled aluminum alloy and enhancing paint-baking hardening response. The composite treatment method comprises the following steps: S1) performing Sr, Cr and Sn multi-element micro-alloying treatment on remelted 6016 aluminum alloy; then preparing the micro-alloyed melt into an ingot; S2) performing heat preservation homogenization treatment, hot rolling, cold rolling, solid solution treatment, natural aging, paint baking treatment on the ingot to obtain the recycled aluminum alloy. The method realizes the conversion of β-Fe phase to α-Fe phase in the 6016 recycled aluminum alloy, effectively modifies the coarse long needle-shaped Fe-rich phase into fine Chinese character-shaped Fe-rich phase, effectively suppresses the negative influence of natural aging, and enhances the paint-baking hardening increment. The recycled aluminum alloy after multi-element micro-alloying treatment has excellent mechanical properties, significantly reduces the harm of impurity element Fe to the 6016 recycled aluminum alloy, and realizes high-quality utilization of the recycled aluminum alloy.