29 results about "Creep rate" patented technology

An analysis method for a metro line steel rail corrugation forming mechanism comprises the steps that numerical model input parameters are obtained, and a wheel-rail three-dimensional coupling numerical model suitable for a vehicle-rail / wheel set of a metro line is constructed; longitudinal and transverse half width lengths of wheel-rail contact spots in the stable running process of the vehicle / wheel are obtained so as to determine a creep force-creep rate relation curve; determining a creep rate saturation critical value to judge the creep saturation state of the wheel-rail system; a macroscopic determination program for determining the structural stability of the wheel-rail system; determining an analysis process of a steel rail corrugation forming mechanism; judging whether the contact interface creep is saturated or not, and analyzing the probability of occurrence of rail corrugation according to the judgment; and determining a wavelength fixing method for rail corrugation in an actual measurement interval, and verifying the effectiveness and applicability of the method. According to the method, the steel rail corrugation phenomenon on a subway line is focused, the analysis method is provided from the two aspects of microcosmic creep saturation and macroscopic structure stability, and therefore the occurrence probability of steel rail corrugation is reflected more accurately.

The invention discloses an anti-skid control method for a high-speed train at a higher speed, which comprises the following steps of: firstly, acquiring basic information such as the speed and the axle load of the high-speed train in real time through a sensor, establishing a real-time analysis model by virtue of data, then calculating a real-time adhesion coefficient, and further judging the rail surface state of wheel-rail contact of the high-speed train; the optimal creep rate under the current rail surface condition is calculated based on the information, the traction or braking torque is adjusted through a control strategy by comparing the optimal creep rate with the actual creep rate in real time, anti-skid control adjustment is conducted, and the adhesion utilization rate and operation safety are improved. According to the method, for a high-speed train at a higher speed, the torque is changed through adhesion control, so that anti-skid control is carried out, the adhesion utilization rate and the operation safety are improved, and wheel skid and abnormal abrasion can be effectively restrained.

The invention relates to the technical field of rock mechanics and underground engineering, in particular to an anchored jointed rock mass multi-field coupling creep characteristic analysis method which comprises the following steps: preparing anchored rock mass samples which are corroded by inorganic salt and contain different joint occurrences, and installing different pre-stressed anchor rods. And carrying out a graded loading creep compression experiment, and synchronously collecting axial deformation and acoustic emission signals. And drawing a creep time-history curve based on deformation data, and determining long-term strength and a creep stage by adopting a steady-state creep rate method. And calibrating the crack initiation and expansion process of the crack at each stage of creep deformation by using an acoustic emission signal. And analyzing response differences between crack development and anchoring failure under different inorganic salt components, concentrations, joint occurrence and prestressing forces, and determining the influence degree of each factor on the anchor rod support effect in each creep deformation stage. According to the method, synchronous quantitative analysis of macroscopic creep characteristics and microscopic damage evolution is realized by coupling chemical corrosion and prestress action, and the accuracy of long-term strength prediction and anchoring failure mechanism understanding is improved.

This invention provides a method, system, and storage medium for determining the blasting time interval in open-pit mines. The method includes: determining the disturbance frequency that has the greatest impact on pore water pressure in soil and rock mass based on field monitoring and laboratory experiments, simulating extreme and dangerous working conditions; dynamically disturbing the sample based on this frequency, judging the consolidation state according to the pore pressure dissipation and creep rate after disturbance, and recording the stable consolidation time T when the conditions are met, obtaining time series at different blast center distances; performing a secondary disturbance after time T, quantitatively evaluating the consolidation effect based on the changes in peak pore pressure and permeability coefficient before and after the secondary disturbance; judging and correcting time T based on the evaluation results, and finally determining the safe time interval for macroscopic blasting operations. This invention can simultaneously consider pore pressure dissipation and soil skeleton deformation, accurately identify the consolidation state and structural damage of soil and rock mass, and provide a scientific and safe basis for time interval decision-making for high-frequency blasting operations in open-pit mines.

This invention discloses a long-term prediction method for deep-sea creep based on in-situ pore pressure observation using Bayesian-LSTM, relating to the fields of sediment dynamics and marine engineering. The method includes: deploying pore pressure sensors to collect pore water pressure data in real time, performing standardization processing, and calculating the pore pressure change rate; constructing a creep rate calculation model based on the effective stress principle and power law; building a time-series feature dataset using sliding window technology, constructing and training a Bayesian-LSTM network model, and introducing a Monte Carlo Dropout layer to assess prediction uncertainty; outputting a high-precision creep rate using a multiple sampling averaging strategy; calculating the cumulative creep distance through numerical integration, and constructing confidence intervals to achieve medium- and long-term trend prediction and risk analysis. This invention integrates physical mechanisms and data-driven approaches, effectively handling data noise and prediction uncertainty in the complex environment of the deep sea, significantly improving the accuracy and reliability of long-term creep prediction, and providing a scientific basis for deep-sea engineering safety assessment.

The application discloses a power station boiler main steam pipeline safety evaluation method and system, and the method comprises the following steps: obtaining material information of a power station boiler main steam pipeline, wherein the material information comprises crack length and cycle load times of the material; a nonlinear creep damage model for describing material creep is set, and according to the material information, a material creep rate index of the power station boiler main steam pipeline is calculated, and a creep rate threshold is set; when the material creep rate index exceeds the creep rate threshold, an alarm information is sent; or a nonlinear crack growth model for describing material crack growth is set, and according to the material information, a crack growth situation of the material is simulated; when the crack growth exceeds a preset crack growth threshold, an alarm information is sent; or a material failure probability calculation model for describing material failure is set, and according to the material information, a material failure probability is calculated; when the material failure probability exceeds a preset material failure probability threshold, an alarm information is sent.

A method of performing a wellbore servicing operation may include: obtaining a measurement of steady state creep rate (ε′SS) within a cement sheath associated with a wellbore while performing the wellbore servicing operation in the wellbore; determining a number of cycles to failure (Nf) of the cement sheath using a cement material fatigue model wherein the cement material fatigue model has an input of steady state creep rate (ε′SS); adjusting at least one operational parameter of the wellbore servicing operation in response to the determined number of cycles to failure (Nf) to form adjusted operational parameters; and performing the wellbore servicing operation at the adjusted operational parameters

The application provides a relaxation and creep performance correlation method, and belongs to the field of new materials and is used for developing new materials by testing related activities. First, a high-temperature relaxation test is carried out to obtain corresponding data of temperature-stress-creep relaxation rate. Second, a high-temperature creep test is carried out to obtain minimum creep rate data. Finally, the third step is data processing, and a correlation model is constructed. The application aims at the shortcomings of long data obtaining time and large sample consumption of existing creep performance data, and proposes to use the characteristics of short stress relaxation test, i.e., more creep information and less sample consumption, to quickly obtain a large amount of stress relaxation performance data, and then combine the correlation method shown in the application to quickly and massively obtain the creep performance, so that the service performance can be evaluated.

The present application relates to the technical field of composite materials, and particularly relates to a composite material product containing a hollow channel, a forming method thereof and a mold. The forming method is to reserve the position of the hollow channel through an occupying strip in a layering process, then to solidify the layer containing the occupying strip through mold forming or autoclave process, and then to pull out the occupying strip from the formed product. The occupying strip material has the characteristics of high creep rate, high strength and low friction coefficient, so that it deforms or displaces itself when pulled out, and then the interface debonding with the composite material is realized to form a hollow channel in the product. Compared with the existing technology of forming through pre-embedded pipeline, the influence of the thermal expansion coefficients of different materials is avoided, the composite product rejection rate is reduced, the process steps are reduced, and the production efficiency of the product is improved. The composite material product containing a hollow channel has no pre-embedded pipeline. The forming mold can form the composite material product containing a hollow channel without pre-embedded pipeline.

The present invention belongs to the field of aeroengines and relates to composite material numerical simulation and life prediction technology. It provides a method and system for calculating creep damage and creep life of ceramic-based composite materials. The method comprises: obtaining the material failure strain of a simulated test piece and multiple time-strain curves at multiple load levels at each creep temperature; solving the creep damage evolution parameters of the composite material using a probabilistic t-distribution method and a fitting method based on all time-strain curves at each creep temperature to obtain a creep rate formula; and obtaining the creep damage and creep life of the test piece based on the creep rate formula and the material failure strain using a finite element simulation method. The method of the present invention takes into account the dispersion of material parameters, quickly and reasonably predicts the creep damage and creep life of the composite material, provides support for the forward design of ceramic-based composite structures, and improves the iteration speed and R&D efficiency of ceramic-based composite structures.

A method of performing a wellbore servicing operation may include: obtaining a measurement of steady state creep rate ( ε'ss) within a cement sheath associated with a wellbore while performing the wellbore servicing operation in the wellbore; determining a number of cycles to failure (Nf) of the cement sheath using a cement material fatigue model wherein the cement material fatigue model has an input of steady state creep rate ( ε'ss); adjusting at least one operational parameter of the wellbore servicing operation in response to the determined number of cycles to failure (Nf) to form adjusted operational parameters; and performing the wellbore servicing operation at the adjusted operational parameters.

An embodiment of the present invention provides a method, device, equipment, medium, and product for determining drilling fluid density. The method includes: obtaining the maximum horizontal principal stress, minimum horizontal principal stress, target temperature, and target creep rate of the salt rock corresponding to the target drilling depth in the salt rock formation area to be measured; inputting the maximum horizontal principal stress, minimum horizontal principal stress, target temperature, and target creep rate into a preset safe drilling fluid pressure calculation model to determine the safe drilling fluid pressure; and determining the safe drilling fluid density based on the safe drilling fluid pressure and a preset safe drilling fluid density algorithm. The method for determining drilling fluid density of the embodiment of the present invention can determine a safe drilling fluid pressure that matches the salt rock at the target drilling depth through the preset safe drilling fluid pressure calculation model. Based on the safe drilling fluid pressure, a safe drilling fluid density with a smaller error than the actual mud density can be determined, thereby improving the accuracy of the safe drilling fluid density.

According to the high-temperature-resistant and high-toughness HDPE double-wall corrugated pipe and the preparation method thereof, through the raw material formula, the alpha crystal form nucleating agent, the organic modified montmorillonite, the elastomer toughening agent, the specific compatilizer, the lubricating agent and the antioxidant system containing the hydrazinium salicylate are scientifically proportioned, the montmorillonite modification technology is optimized, and the high-temperature-resistant and high-toughness HDPE double-wall corrugated pipe is obtained. The surface of the modified montmorillonite is driven to be enriched to form a high-temperature-resistant functional layer, and parameters such as melt blending temperature and time, adsorption molding pressure control and gradient cooling are accurately regulated and controlled. Performance tests show that the thermal deformation temperature of the pipe is higher than 135 DEG C, the creep rate is as low as 3.2%, the impact strength reaches 43.5 kJ / m < 2 >, the tensile strength retention rate reaches 85% or above, the ring stiffness is stabilized to be about 9 kN / m < 2 >, and the obtained pipe has high ring stiffness, high impact strength and ultralow creep rate and can stably serve for a long time in a high-temperature environment.

The application provides a plain area hidden active fault normal fault creep induced surface deformation prediction method, device, equipment and storage medium, relates to the hidden fault activity technical field. The method comprises the following steps: based on the three-dimensional simplified geological model of the hidden normal fault and its adjacent area; taking the fault creep rate as the displacement boundary condition, simulating the surface vertical deformation induced by the hidden normal fault normal fault creep, obtaining the surface vertical deformation characteristics and dividing the surface deformation zone from the hidden normal fault; according to the action law of fault dip angle, creep time and creep rate on the spatial distribution of surface vertical deformation, fitting and constructing the prediction model of normal fault creep induced surface vertical deformation. The application proposes a multi-parameter prediction model covering fault dip angle, creep rate and creep time, and realizes disaster prediction caused by creep activity of hidden fault in plain area.

The invention relates to the technical field of railway vehicle control, and provides a wheel rail adhesion control method and device, and the method comprises the steps: determining adhesion criteria at different train reference speeds; under the condition that the adhesion criterion is larger than a preset criterion threshold value and the train reference speed is smaller than or equal to a first speed, an adhesion control strategy that the creep rate is increased first and then decreased is adopted, and the target creep rate corresponding to the unloading peak is determined in the recovery process that the real-time creep rate is reduced from large to small; under the condition that the adhesion criterion is larger than a preset criterion threshold value and the train reference speed is larger than a first speed, an adhesion control strategy that the creep rate is increased firstly, then kept and then reduced is adopted, and the target creep rate corresponding to the unloading peak is determined in the recovery process that the real-time creep rate is reduced from large to small; and controlling a train motor to output a target torque corresponding to the target creep rate based on the target creep rate and the real-time creep rate. According to the method, the optimal adhesion control between the train wheel rails is realized by utilizing a wheel rail large creep mechanism.

The invention provides a bearing, which comprises an outer ring and an inner ring, at least one of the outer ring and the inner ring is arranged as a target ring, the target ring comprises a body, the body comprises an axial end face and a circumferential outer surface, at least one of the axial end face and the circumferential outer surface is arranged as a target surface, and the target surface is arranged on the body. Wherein a friction enhancing structure is provided on the target surface to reduce the creep wear of the target ferrule by reducing the creep rate of the target ferrule. According to the invention, the friction enhancing structure is applied to the target surface of the bearing, so that the creep rate of the bearing ring can be reduced, and then the creep wear caused by creep between the bearing and the shell is reduced.

The invention belongs to the technical field of material mechanical property test and pressure vessel safety inspection, and particularly relates to an experimental device and method for a weld creep test of an all-welded plate heat exchanger. The problems that a traditional uniaxial creep testing machine cannot reproduce the real thermal-mechanical coupling service condition of a heat exchanger, a test object is disjointed with an actual structure, and the data supporting capacity is insufficient are solved. The device comprises an all-welded plate heat exchanger test piece, a pressure supply system, a temperature control system, a high-precision strain gauge arranged on a key welding seam and a multi-channel data acquisition system, the test method is implemented step by step through test piece preparation and installation, sensor calibration, temperature field establishment, pressure application, creep data acquisition and safe unloading. According to the method, the actual service condition of the heat exchanger welding seam can be accurately reproduced, the creep damage evolution law of the welding seam can be captured, key parameters such as the steady-state creep rate can be obtained, and reliable experimental basis is provided for all-welded plate heat exchanger welding seam life evaluation, welding process optimization and in-service safety inspection.

A method and device for predicting long-term creep data based on short-term creep data. The method comprises: obtaining steady-state creep rate data of a material under different stress levels through a step-loading method for multi-stage stress based on short-term creep data; determining first fitting parameter values of a creep deformation performance model through nonlinear fitting; determining the creep stress exponents under different stress levels based on the steady-state creep rate data and creep stress; determining the creep damage parameters under different stress levels based on the creep stress exponents and a creep damage parameter model; determining the second fitting parameter values of a creep deformation prediction model through nonlinear fitting to predict the long-term creep deformation of the material; and determining the third fitting parameter values of a creep life prediction model based on the second fitting parameter values to predict the long-term creep life of the material.

The application discloses a subway train slip prevention method based on longitudinal load, comprising the following steps: S1, grouping the train and distributing brake force; S2, setting a creep rate threshold, and judging the current train wheel rail state according to the creep rate; S3, in the case that the creep rate is less than the creep rate threshold, judging the current train wheel rail state through longitudinal load; and S4, implementing corresponding brake force according to the current train wheel rail state. The application can obtain the maximum track friction force in real time and accurately, and avoid train slip in advance, thereby improving subway operation efficiency.

The embodiment of the invention provides a steady-state creep rate prediction method, equipment and a medium, and the method comprises the steps: obtaining an image of a to-be-tested piece sample, and calculating the MX phase volume fraction of the to-be-tested piece sample according to the image of the to-be-tested piece sample, the to-be-tested piece sample is made of 9-12% Cr martensitic steel; based on a formula, the steady-state creep rate of the to-be-tested piece at the temperature of 605 DEG C is determined, v is the MX phase volume fraction of a sample of the to-be-tested piece, the unit of v is%, the unit of v is h-1, and the stress application range of the formula is 99-150 MPa. According to the method, the quantitative relation between the MX phase volume fraction and the steady-state creep rate is defined, and accurate prediction of the steady-state creep rate based on the MX phase volume fraction is achieved.

This invention relates to a remote video monitoring stability analysis system and method for slopes. The method includes the following steps: S1: Constructing a three-dimensional unsteady viscoelastic-plastic shear creep model and acquiring slope stability data under rainfall; S2: Calculating the shear creep rate on the landslide body, defining the main slip line and the sliding section, and determining the blocking section; S3: Determining the nonlinear mapping relationship between the slope surface displacement or crack width and the shear creep rate at the corresponding blocking section; S4: Setting up sensors and targets based on the main slip line; S5: Acquiring the displacement or crack width of the targets; S6: Outputting to a remote computer; S7: Obtaining the shear creep rate at the blocking section corresponding to the targets; S8: Judging the slope stability based on the shear creep rate at the blocking section corresponding to the targets. Compared with the prior art, this invention has the advantages of realizing dynamic evaluation of soil landslide stability and improving the accuracy of instability prediction.

The application relates to a method for calculating the creep rate of oxide dispersion strengthened steel in a radiation environment. The method effectively combines the theory of radiation-induced point defect evolution, the Ostwald ripening theory of oxide particle coarsening in a radiation environment, the theory of dislocation loop hardening caused by radiation, and the oxide dispersion strengthening theory of oxide particle size distribution and spatial distribution. The method considers the effects of the specific point defect evolution, oxide particle coarsening, dislocation loop hardening, and size distribution and spatial distribution of the oxide particles in a radiation environment on the performance of the oxide dispersion strengthened steel, so as to realize quantitative calculation and analysis of the creep rate of the oxide dispersion strengthened steel in a radiation environment. The threshold stress obtained by the method is in good agreement with the experimental results. The related strengthening mechanisms analyzed in the application have important significance for studying and analyzing the mechanical properties of the oxide dispersion strengthened steel at different temperatures and radiation times in a radiation environment. Through the analysis method provided by the application, the temperature of the radiation environment is changed, the value of the radiation time is regulated, the micro defect evolution and the creep rate of the oxide dispersion strengthened steel under different conditions are studied, and thus theoretical guidance is provided for the design of high-performance oxide dispersion strengthened steel.

The present invention relates to the field of nuclear fuel technology, and specifically to a biaxial creep process monitoring system for nuclear fuel cladding tubes. The system includes a temperature stress data capture module, a regional state determination module, a creep rate adjustment module, a thermal control stress regulation module, and an effect feedback correction module. In the present invention, by collecting temperature stress data of key locations and performing structural conversion, data standardization and usability are improved. Spatiotemporal information is fused to construct a coupled data table, supporting accurate identification of thermal stresses. Temperature stress trends in boundary areas are jointly analyzed to identify abnormal fluctuation sections, improving the accuracy of creep distribution identification. Continuous response increments and mutation points are analyzed to form a refined feature point set, enhancing the ability to capture strain mutations, extracting key interface adjustment values, analyzing the response differences before and after adjustment, enabling dynamic monitoring and verification of the control unit, improving the targeting of control, identifying areas that have not reached the target through feedback comparison, and establishing a hysteresis compensation mechanism to enhance control efficiency and closed-loop control capabilities.

The invention belongs to the technical field of mixing pile construction, and particularly relates to a silty clay layer soft foundation treatment method based on a connecting rod mixing pile, which comprises the following steps: step 1, starting a connecting rod mixing pile machine to work to drive a drill rod to drill downwards, soil layer parameters are collected through a rheological property sensor installed on a drill rod and a micro shear strength sensor and a microwave moisture content sensor which are installed on a drill bit, and collected data are uploaded to an edge computing gateway in real time through a wireless transmission module. According to the silty clay layer soft foundation treatment method based on the extension rod mixing pile, multi-source data fusion can be carried out by setting the treatment method, stress concentration is predicted 5-8 s ahead of time through the coupling characteristics of shear strength sudden change and creep rate sudden increase, and then edge real-time decision making and delay lt reasoning can be carried out; the real-time control requirement of the drilling process is met, finally self-adaptive avoidance can be achieved, and the drill rod clamping stagnation probability is reduced through extension rod path planning based on the risk index.

The present application relates to the technical field of multi-element precious metal-based high-temperature alloy, and discloses a multi-element precious metal-based high-temperature alloy steady-state creep rate prediction method based on multi-scale integrated calculation, which comprises the following steps: S1: crystal structures of the multi-element precious metal-based high-temperature alloy and intermetallic compounds are respectively constructed to obtain thermal physical properties of lattice constants, shear moduli, Poisson's ratios, stacking fault energies, diffusion activation energies and diffusion pre-exponential factors; S2: according to the CALPHAD method, the composition-dependent elastic moduli, stacking fault energies and lattice constant thermal physical properties of the multi-element precious metal-based high-temperature alloy are calculated; S3: the thermal physical properties of the multi-element precious metal-based high-temperature alloy single-phase fixed component in S1 and the composition-dependent thermal physical properties in S2 are respectively substituted into a steady-state creep rate model to respectively predict the steady-state creep rates of the multi-element precious metal-based high-temperature alloy changing with temperature and changing with composition. The present application can shorten the research and development cycle of the alloy and reduce experimental costs.

The invention discloses an offshore wind turbine high average stress node fatigue assessment method, which comprises the following steps: step 1, according to environmental parameters including working sea area sea condition parameters of a wind turbine and a wind, wave and flow coupling effect, obtaining a load time history of an axial force and a bending moment acting on the top end of a wind turbine tower under each sea condition through kinetic analysis; step 2, establishing a material constitutive model, establishing a steel normal-temperature creep constitutive model through a Norton theory and a Ramberg-Osgood model, and describing a relationship between the creep rate and stress of the bolt material under long-term service; step 3, establishing an overall modeling model of the tower drum connecting structure and a local fine model of the bolt connecting unit; step 4, calculating creep influence based on the fine model, loading an analysis result as an initial condition to the overall model, and performing stress response analysis; and step 5, on the basis of an S-N curve and a Palmron-Miner rule, carrying out fatigue damage prediction on the offshore wind turbine structure.

The invention relates to the technical field of dry quenching processes, and particularly discloses a dry quenching chamber outlet arch pre-assembly method for dry quenching, which adopts a mullite brick layer and staggered slab brick layer composite masonry process, and specifically comprises the following steps: S1, pre-assembly early-stage preparation and reference calibration; s2, reference masonry of a bottom mullite brick layer; S3, composite masonry and occlusion positioning of a slab staggering brick layer; s4, carrying out layered prepressing and defect detection; and S5, integrally fixing and transferring the identification. The pre-assembled arch body is remarkable in comprehensive performance, high in compressive strength at the temperature of 25 DEG C and high temperature, high in thermal shock resistance and low in high-temperature creep rate, preheating treatment of mullite bricks, a staggered slab brick concave-convex meshing structure and reasonable staggered joint arrangement are adopted, and a layered progressive increase pre-pressing mode from arch feet to an arch crown is matched, so that the attaching compactness and the structural stability of the brick body are improved. The arch body prepared by the method is high in high-temperature resistance, deformation resistance and thermal shock resistance, and can adapt to harsh working conditions of the dry quenching chamber, and the service life of the arch body is prolonged.

The invention relates to the technical field of constructional engineering, and discloses a brick mould optimization method and system, and the method comprises the steps: obtaining the back active soil pressure, pore water pressure, construction additional load, lateral accumulated displacement, material performance parameters, system temperature change and environment vibration acceleration of a brick mould in real time; sequentially calculating a comprehensive load coefficient, a displacement state coefficient, a material performance coefficient and a model-actually measured displacement matching degree based on the multi-source data; and finally, dynamically calculating the real-time axial force of the target support point in combination with the creep rate and the reference axial force, and adaptively adjusting the current axial force to a target value. The system correspondingly comprises a comprehensive load evaluation module, a displacement state evaluation module, a material performance evaluation module, a model-actual measurement displacement matching evaluation module and an axial force self-adaptive adjustment module. According to the method, the brick blank film support is converted from static design to dynamic sensing and active control, and the construction safety and economical efficiency are remarkably improved.

The present invention discloses a method, device and storage medium for identifying and predicting high-temperature tensile and creep deformation parameters of alloys based on physical mechanisms, and relates to the field of identifying and predicting high-temperature tensile and creep plastic constitutive parameters of alloys. The method comprises the following steps: performing tensile tests and creep tests on samples to obtain experimental data, and analyzing the data to obtain nominal yield stress and steady-state creep rate; using backscattered electron diffraction analysis technology to measure and analyze the samples to obtain data, establishing a finite element model based on the data, and performing tensile finite element simulation and creep finite element simulation to obtain simulation data; constructing a crystal plastic constitutive model, and obtaining the first-order target parameters of the improved plastic flow law through the least squares method; and obtaining matching second-order target parameters by comparing the true stress-strain values ​​and creep strain time values ​​obtained from the experimental data and the simulation data, thereby predicting the high-temperature mechanical response, deformation behavior and failure behavior of the samples under different states.