495 results about "Aging test" patented technology

The invention provides an aging test method and device of equipment, the equipment, a medium and a product, and relates to the technical field of laser test. The method comprises the following steps: acquiring a plurality of operation parameters of target equipment; determining the equipment performance stability of the target equipment based on the plurality of operation parameters; determining an aging test parameter combination for the equipment aging test stage of the target equipment according to the equipment performance stability; performing virtual verification of the aging test parameter combination on the target equipment to obtain an evaluation result; based on the evaluation result, correcting the aging test parameter combination to obtain a target aging test parameter combination; and according to the target aging test parameter combination, performing an equipment aging test on the target equipment. According to the invention, the accuracy of the equipment aging test is improved.

The invention relates to the technical field of wafer test equipment, in particular to a heating aging test tool which comprises a storage rack and further comprises a wafer clamp placed on the storage rack. The detection assembly comprises a plurality of elastic probes located on one side of the storage rack and a heating disc; and the hot air guide assembly comprises a ventilation male head arranged on one side of the heating disc, an air guide pipe is arranged on the side, away from the ventilation male head, of the heat conduction cover, the air amount in the cavity is gradually decreased from near to far away from the air guide pipe, and the air flow speed is gradually decreased. A hot air flow guide assembly is arranged on a conveying frame, heat of a heating disc is guided to the position above a wafer through airflow through a heat conduction cover, the space above the wafer is divided into a plurality of cavities, the space size and the space shape of each cavity are set, the air flow speed and the contained hot air amount of each space are adjusted, and therefore the heat conduction efficiency of the wafer is improved. The influence of heat loss in the air flow process is reduced, so that the heating effects of all parts of the wafer are similar, and the detection effect is improved.

The invention discloses a light aging test instrument, which includes a test cavity, a bottom baseplate, the top cover board which is fixed on the bottom and the top of the test cavity respectively. A lamp socket which fitted with a lamp is right on the centre of the base plate, the photo permeable holes are set at the same height on the side wall of the test cavity. A visual light narrow wave band filter sheet is in the photo permeable hole, and the sample trough is fitted on the photo permeable hole. The test instrument has a compact structure, easy to disassemble and assemble, inflexible for employ, with low cost of the production.

The invention discloses a sealing structure for a test, and an aging test and leakage rate detection method and system. The sealing structure comprises a tested sealing assembly and an air cavity assembly integrated in the tested sealing assembly, and serialized test samples with different filling rates and compression rates are formed by regulating and controlling the groove width and the groove depth of a sealing ring mounting groove so as to simulate various actual sealing states. An aging test adopts a multi-factor coupling accelerated aging method, and a plurality of material characterization means are combined to systematically evaluate the evolution rule of the sealing performance. According to leakage rate detection, static pressure maintaining and dynamic pressure adjusting dual-mode measurement is achieved through an air tightness detector, and the sealing characteristics under different pressure conditions are comprehensively reflected. According to the invention, direct and systematic detection of the leakage rate of the sealing structure is realized, and an innovative solution is provided for sealing performance evaluation and service life prediction of electrical equipment.

The application relates to the technical field of material testing, and relates to a high polymer material testing method and system based on image analysis, which comprises the following steps: collecting images of high polymer materials to obtain high polymer material images, performing pretreatment operations to obtain pretreated material images, identifying a defect region set in the pretreated material images, performing feature extraction on the defect regions to obtain defect region parameters, comparing the defect region parameters with defect thresholds to obtain defect deviation values, judging the defect conditions of the defect regions, confirming the high polymer materials as preliminary qualified materials if all the defect conditions are acceptable defects, performing accelerated aging tests to obtain aging test materials, performing image detection on the aging test materials to obtain detected defect regions, comparing the defect regions with the detected defect regions to obtain defect region expansion values, and obtaining material detection results. The application can solve the problem of low testing result accuracy in the current high polymer material testing process.

The invention discloses a medium-frequency transformer insulation electrothermal aging evaluation method, a test device and a storage medium, and relates to the technical field of power transformers. The medium-frequency transformer insulation electric heating aging test device comprises a function signal generator, a high-voltage power amplifier, a protection and isolation unit, an electric-heat combined aging oven and a detection and monitoring unit. The electrothermal aging evaluation method comprises the following steps: acquiring an aged sample, testing the ultimate tensile strength and polymerization degree of the aged sample, introducing a frequency correction factor to correct an attenuation constant under a power frequency condition, establishing tensile strength attenuation equations under different frequencies, and evaluating the tensile strength of the aged sample. And respectively fitting the maximum value of the accumulated loss rate and the change rate of the accumulated loss rate under different frequencies to obtain a polymerization degree accumulated loss rate improvement formula, and carrying out aging characteristic analysis on the insulation of the intermediate-frequency transformer according to the actual working condition of the insulation of the intermediate-frequency transformer. According to the technical scheme, the blank of medium-frequency transformer insulation electrothermal aging research is filled.

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 discloses a capacitor multi-stage adaptive flexible aging test method and system, and belongs to the technical field of industrial process advanced control. According to the method, voltage, current and temperature response data in the aging process of the capacitor are collected in real time by defining charging and discharging time sequences and initial parameters of four stages of preheating, constant current, constant voltage and resting; and comparing real-time data based on a preset model (an internal resistance change rate model and a temperature rise curve model), and dynamically adjusting power supply parameters in the next stage or triggering a protection mechanism. According to the method, the overstress or understress problem of a traditional fixed parameter test is solved, intelligent and personalized control of the aging process is realized, the test accuracy and the capacitor reliability are improved, and the method is suitable for aging test scenes of various capacitors.

The invention relates to the technical field of aging test, and discloses a laser chip accelerated aging test method, which comprises the following steps: synchronously measuring the optical power, the threshold current, the slope efficiency and the emergent wavelength of a laser chip in an accelerated aging environment to obtain a time sequence data matrix; performing double sparse dictionary decomposition on the time series data matrix to obtain a normal feature coefficient and a degradation feature coefficient; calculating a target characteristic value of the time-varying covariance matrix based on the degradation characteristic coefficient, and generating a dynamic characteristic value sequence and a corresponding degradation stage identifier according to the target characteristic value; and based on the degradation stage identifier, inputting the dynamic characteristic value sequence into a life prediction model for life prediction, and obtaining the remaining service life. The method can accurately capture the nonlinear characteristic and the time evolution mode of the laser chip degradation process, automatically identify the time period characteristic which contributes to life prediction, and improve the service life of the laser chip. And the accelerated aging test accuracy of the laser chip is improved.

The invention discloses a chip temperature and humidity aging test system, which relates to the field of chip temperature and humidity aging test and comprises a core control and digital twinborn fusion module, a three-dimensional temperature and humidity field active construction module, a multi-physical field coupling stress loading module, an energy self-adaptive supply module and a full life cycle data traceability and intelligent evaluation module. According to the chip temperature and humidity aging test system, through the core control and digital twinning fusion module, chip cross-scale digital twinning modeling containing process deviation and deep closed loop of digital rehearsal, physical test and feedback regulation can be realized, aging key nodes can be pre-judged in advance, the physical test can be accurately guided, and the chip temperature and humidity aging test efficiency can be improved. The perspectiveness and the accuracy of the test are greatly improved; the three-dimensional temperature and humidity field active building module can build a three-dimensional non-uniform temperature and humidity field which is precisely regulated and controlled in a layered mode and driven by a dynamic flow field, the three-dimensional non-uniform temperature and humidity field is closer to a heat and humidity distribution and airflow disturbance scene in actual application of a chip, and temperature and humidity stress simulation is more real.

The invention belongs to the field of greenhouse film aging test methods, and relates to an aging test device considering greenhouse film stress and a test method thereof.The aging test device comprises an upper environment box, a lower environment box, a test observation box and a control panel which are arranged on a main frame, a support plate and an observation platform are arranged in the test observation box, and a greenhouse film fixing frame is arranged above the support plate and the observation platform; an arc-shaped arch frame is arranged in the greenhouse film fixing frame, a flexible film pressing rope is arranged at the top of the greenhouse film fixing frame, and the two ends of the greenhouse film fixing frame are connected with a rotary tensioning device at an end plate of the greenhouse film fixing frame and a force sensor at an end plate of the other opposite end of the greenhouse film fixing frame respectively. Tension needed in the test process can be accurately adjusted and applied before the test is started through the rotary tensioning device and the force sensor, if an electric tensioning actuator is used, greenhouse film stress can be compensated and calibrated in real time in the test process, and other environmental parameters such as temperature, humidity and ultraviolet light intensity can be further adjusted. And a multi-environmental factor interaction test of the greenhouse film in a natural curved surface and stress state is realized.

The invention discloses an anti-embrittlement flexible armored cable in an extremely cold environment. The anti-embrittlement flexible armored cable comprises a conductor, an insulating layer, a buffer isolation layer, a flexible armored layer and an outer sheath layer which are sequentially arranged from inside to outside. According to the armored cable, the structure of an existing cable is improved, the material formula of the insulating layer and the material formula of the outer sheath layer are optimized, the requirements for embrittlement resistance and high flexibility can be met, the protection performance of the armored cable can be enhanced, and aging tests show that the cable has good flexibility. The cable can meet the use requirement of long-term stable operation under the extremely cold severe condition with the temperature of-60 DEG C, has important practical significance and economic value, is reasonable in design, and is worthy of popularization and use.

The invention relates to the technical field of power equipment testing, in particular to a high-voltage direct-current switch integrated equipment aging test platform which comprises a multi-dimensional interface adaptation module, a collaborative aging test module, an aging feature extraction module and a cyclic test control module. The multi-dimensional interface adaptation module realizes rapid access and standardization by acquiring device interface features and comparing and adjusting, cooperates with the aging test module to synchronously apply four stresses, obtains a dynamic acceleration factor quantitative acceleration effect through a coupling formula, the aging feature extraction module extracts related parameters, quantifies the degradation degree in combination with a dynamic weight formula, and finally obtains the aging test result. The cycle test control module adjusts the cycle index according to the acceleration factor and the degradation degree and in combination with the fluctuation amplitude, rapid equipment adaptation is achieved, the composite aging process can be accurately reproduced, the test process is dynamically optimized, the test standardization level, the consistency with the actual working condition and the test efficiency are remarkably improved, and the test efficiency is improved. And reliable technical support is provided for equipment aging characteristic evaluation.

The invention relates to the technical field of electric power fitting testing, in particular to an electric power fitting aging testing device and method, the stress state of an electric power fitting in actual use is simulated through the cooperation of a tensioning mechanism and a mechanical loading mechanism, environmental loads such as temperature change, humidity change and salt mist are applied through an environmental load simulation mechanism, and the aging test of the electric power fitting is achieved. And meanwhile, alternating current is applied to the electric power fitting through the power supply module, so that the actual load of the electric power fitting is comprehensively simulated, a test environment identical to an actual application environment is constructed, and the reliability of a test result is ensured. And meanwhile, an equivalent cable simulation load spectrum is deduced according to historical load data by using a fatigue damage model, and the tensioning mechanism, the mechanical loading mechanism and the environment simulation mechanism act cooperatively according to the cable simulation load spectrum to carry out aging test on the electric power fitting, so that the test time is shortened, and the accuracy of an aging test result is ensured.

The invention relates to a life evaluation method suitable for an initiating explosive material in a temperature and pressure dual-stress environment, and belongs to the technical field of initiating explosive devices. According to the method, by establishing the temperature and pressure dual-stress accelerated aging test method for the initiating explosive material, a mathematical model adaptation method is adopted to research the performance degradation law of the initiating explosive material in the temperature and pressure environment, and a pre-estimation model of the storage life in the temperature and pressure environment is established; the storage life data of the initiating explosive material in the temperature and pressure environment is obtained, the reliability analysis of the initiating explosive material in the temperature and pressure dual-stress environment is more comprehensive and accurate, and the method is suitable for the reliability analysis of various initiating explosive materials in the temperature and pressure dual-stress environment; and corresponding data basis and theoretical basis are provided for storage environment requirements and working reliability of initiating explosive devices.

The invention relates to the technical field of power device testing, and discloses an aging test method of a power device, electronic equipment and a storage medium, and the aging test method of the power device comprises the steps: cutting a wafer into bare chips; when the bare chip is loaded in the aging test fixture, performing an aging test on the bare chip through the aging test fixture; carrying out performance test on the bare chip through the aging test fixture; packaging the bare chip passing the aging test and the performance test; according to the technical scheme, the aging test and the performance test are performed on the bare chip after the wafer is cut, and the same aging test fixture is adopted to complete the two processes, so that secondary damage to the chip caused by multiple times of needle insertion and multiple times of carrying in a traditional method is avoided, and the reliability of the power device is effectively improved.

The invention discloses a PCBA aging test method and system, and belongs to the technical field of aging test. The method specifically comprises the following steps: S1, historical data acquisition: acquiring PCBA aging related historical data, including but not limited to voltage parameters, current parameters, core area temperature, operation duration, environment humidity, fault types and fault occurrence time during PCBA operation; s2, preprocessing the historical data: preprocessing the historical data, including removing abnormal values, filling missing values and normalizing; 24-72-hour long-time power-on loading of a traditional aging test is not needed, the test period of a single PCBA is shortened to the minute level, the production takt is greatly improved, the large-scale batch production requirement is met, and aging fault recognition is more comprehensive; and recessive aging precursors such as capacitance attenuation and welding spot microcracks can be captured, and the sudden failure risk after the product leaves the factory is reduced.

The invention discloses an electrothermal aging test method and device for simulating the space charge effect of a cable terminal. The method comprises the following steps: S1, treating a cable sample; s2, constructing an electric heating aging platform; s3, carrying out five aging stage tests on the cable sample; s4, carrying out space charge detection on the cable samples at different aging stages; s5, analyzing correlation between a space charge accumulation rule and insulation degradation based on a charge mobility formula and an injection current formula; according to the invention, the actual working condition of the cable terminal is accurately simulated through the electrothermal collaborative aging platform, and the limitation that the space charge evolution law is difficult to reproduce in the traditional method is overcome; a weighted all-phase averaging method is adopted to process signals, and an arc-shaped sensor and a frequency domain deconvolution algorithm are combined, so that interference is effectively filtered out, and the detection stability and accuracy are improved; through correlation of charge accumulation and insulation degradation processes, an insulation failure mechanism is disclosed, fault early warning is realized, and theoretical and test support is provided for design optimization, life evaluation and operation and maintenance of the cable terminal.

The invention discloses a composite material storage life prediction method based on variable transformation and a genetic algorithm, and relates to the technical field of composite material performance evaluation and life prediction, and the method comprises the steps: obtaining performance degradation data at different temperatures through an accelerated aging test, and building a semi-empirical performance degradation model; specific variable transformation is introduced, a nonlinear optimization problem is converted into a linear regression problem, partial model parameters are rapidly solved by adopting a least square method, and meanwhile, key nonlinear parameters are globally optimized by using a genetic algorithm, so that the defect that a traditional method is easy to fall into local optimum is overcome. And establishing a temperature-service life relationship by combining with an archenius model, and realizing storage life prediction at normal temperature. The method also integrates sensitivity analysis and uncertainty quantification functions, and provides reliability evaluation for a prediction result. The method fully considers the influence of the environment temperature, meets the requirement of efficient prediction, and improves the precision and stability of life prediction.

The invention discloses an SSD full-automatic aging test system and method, and the system comprises a physical test cluster layer which comprises one or more test bins, a central control and data processing unit, a task scheduling and resource management engine, a self-adaptive stress field generator, a data lake, and a digital twinborn model. The system comprises a data processing module for establishing a corresponding virtual instance and a model calibration and synchronization interface for each SSD body, a predictive analysis module for predicting the residual life and the potential fault mode of the SSD body based on accelerated operation of a digital twin model, and a reinforcement learning module for establishing a model calibration and synchronization interface for each SSD body, and keeping the state of the virtual instance consistent with the state of the physical SSD body by using information of a data lake. The self-adaptive stress field generator works cooperatively with the self-adaptive stress field generator; and the feedback and evolution layer is used for calculating a test efficiency index TEI and periodically optimizing a self-adaptive stress field generation algorithm and a strategy network of a reinforcement learning agent by utilizing the accumulated TEI and data.

The invention provides a method for analyzing a main failure mechanism of a battery with an electrolyte leakage fault. The method comprises the following steps of: performing calendar aging, cyclic aging and reference performance test on a normal battery and a leakage battery; comparing the external characteristics of the normal battery and the leakage battery, and obtaining the difference between the leakage battery and the normal battery in the aspect of external characteristic performance; carrying out deep analysis on the dynamic degradation mechanism of the liquid leakage battery by utilizing an in-situ analysis means; obtaining a normal battery pole piece and a fault battery pole piece, and characterizing the battery pole pieces by using an electrochemical characterization means; battery regeneration is realized by using a battery pole piece, re-supplementing electrolyte and manufacturing a button battery; performance testing and aging testing are performed on the regenerated battery; the performance of the regenerated battery is evaluated; and a failure mechanism of the battery with liquid leakage is disclosed. And comparing the performance difference between the regenerative battery and the normal battery, and determining the irreversible influence of the fault on the battery. According to the invention, the main way of failure of the battery with liquid leakage and the irreversible influence of the liquid leakage fault on the battery can be revealed.

The application belongs to the technical field of seal ring life prediction, in particular to a seal ring life prediction method and system and a storage medium, comprising the following steps: obtaining seal ring material information, calculating the theoretical prediction life of the seal ring based on the seal ring material information, and synchronously storing it to the cloud; calculating the corrected prediction life of the seal ring based on the online detection data and the theoretical prediction life, and synchronously updating it to the cloud; performing aging test, calculating the limit prediction life of the seal ring based on the corrected prediction life, and synchronously updating it to the cloud; verifying the limit prediction life of the seal ring under the limit environment based on the aging test, writing / updating the data of each stage to the cloud time series database in real time, and constructing the material-production-aging data chain, so as to realize efficient prediction of the seal ring life, avoid low-life products from flowing into the market, and solve the problems of complicated after-sales and high after-sales cost of products.

1. The name of the design product: wafer aging test equipment. 2. The use of the design product: for wafer disc reliability test. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application discloses a kind of plastic new material aging detection equipment, it is related to plastic new material aging detection equipment technical field, including cabinet, the sample holder is fixedly installed in cabinet cavity bottom end, and plastic sample is clamped and fixed by clamp above sample holder, and the aging test surface of plastic sample is non-planar structure, the slot is opened in the top of cabinet both sides, and the top opening buckle of slot is fixed with cover plate.The plastic new material aging detection equipment, the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the profiling cam groove of the

The utility model relates to the technical field of test box point distribution, in particular to an ozone aging test box calibration point distribution device which comprises a first-stage pipe, a second-stage pipe is slidably connected to the left end of the first-stage pipe, a third-stage pipe is slidably connected to the left end of the second-stage pipe, a positioning pipe is slidably connected to the right end of the first-stage pipe, and a supporting disc is fixed to the right end of the positioning pipe. Two measuring rulers are fixed outside the first-stage tube, the second-stage tube and the third-stage tube, two connecting plates are arranged outside the first-stage tube and the second-stage tube, a locking block is arranged on the inner side of each connecting plate, a plurality of point distribution rings are arranged outside the first-stage tube, the second-stage tube and the third-stage tube, and the first-stage tube, the second-stage tube and the third-stage tube are connected with the second-stage tube. A locking block is arranged on the inner side of each point distribution ring, and a sensor is arranged at the top of each point distribution ring; according to the utility model, the primary pipe is used for positioning the diode, the diode is used for positioning the triode, the jacking disc can ensure the stability of the whole device, and meanwhile, the application range of the whole device is widened.

The embodiment of the invention provides a method and device for manufacturing a battery and a control system. The method comprises the following steps: performing formation treatment on a battery unit; carrying out a self-discharge rate K value test and / or an aging test on the battery unit subjected to the formation treatment so as to enable the voltage of the battery unit to be stable; carrying out direct-current resistance test and capacity test on the battery unit subjected to the self-discharge rate K value test and / or the aging test; carrying out capacity test on the battery unit subjected to the direct current resistance test; and grading the battery units based on the result of the direct current resistance test and / or the result of the capacity test. According to the method, the device and the control system, the service life of a product can be prolonged.

This invention proposes a simulation material for mechanical testing of press-loaded explosives, which, by weight, is made from the following raw materials: 65.5% ammonium sulfate, 27%–33% aluminum powder, 1.5%–4% microcrystalline wax, 1%–2% butadiene rubber, and 0.2%–0.8% graphite. The compressive and tensile strengths of the explosive charge formed by this simulation material are essentially consistent with those of the charge charge formed from polyaluminum black-2 (JHL-2) explosive. It can realistically reflect the trend and limit of strength changes during mechanical testing, and provides effective reference data for mechanical performance evaluation. It also provides relatively realistic and reasonable model parameters for the digital design of the mechanical properties of press-loaded explosives. In aging tests, tensile tests, mechanical compression tests, and dynamic Brazilian tests, using this simulation material avoids contact with energetic explosive components, increasing test safety and reducing safety hazards.

Provided are a copolymer, a composition, and a molded article which are capable of forming a molded article having excellent tensile strength after a chemical resistance test, tensile strength after a thermal aging test, and tensile elongation after the thermal aging test. This copolymer contains a unit based on tetrafluoroethylene, a unit based on ethylene, and either or both of a unit based on a compound represented by formula (1) and a unit based on a compound represented by formula (2), the total content of the tetrafluoroethylene-based units and the ethylene-based units is 80.0-98.1 mol% with respect to the total units contained in the copolymer; the content of the tetrafluoroethylene-based unit is 49.0 mol% or more and less than 56.0 mol% with respect to the total content of the tetrafluoroethylene-based unit and the ethylene-based unit; the content of the unit based on the compound represented by formula (1) or the unit based on the compound represented by formula (2) is 1.9 mol% or more and less than 3.2 mol% with respect to the total units contained in the copolymer, and the melt flow rate of the copolymer measured under the conditions of a temperature of 297 DEG C and a load of 49 N in accordance with ASTM D3159 is 33-50 g / 10 minutes. Formula (1): CZ2 = CX (CF2) mY, and Formula (2): CF2 = CF-O-(CF2) nF.

This invention provides an equivalent substitute, its preparation method, and its application for testing the mechanical properties of RDX-based non-aluminum-containing press-loaded explosives under temperature load. The equivalent substitute is prepared by replacing the energetic material RDX in the RDX-based non-aluminum-containing press-loaded explosive formulation with the non-energetic material ammonium sulfate. The equivalent substitute is used to replace the actual explosive for testing its mechanical properties under temperature load. The equivalent substitute, by mass percentage, comprises the following raw material components: 95.5%–96.5% ammonium sulfate, 2%–3% polyvinyl acetate, and 0.5%–1.5% stearic acid, with the total mass percentage of the above components being 100%. The mechanical properties of the molded explosive charge made with the equivalent substitute provided by this invention, such as compressive strength and tensile strength (compressive strength of 2.9-27.3 MPa and tensile strength of 1.1-5.9 MPa at -55 to 70°C), are basically consistent with those of real explosives under different temperature loads. This can truly reflect the changes in the mechanical properties of the actual explosive charge during environmental and aging tests, and can provide data support for the mechanical failure assessment of explosives.

The utility model discloses an automatic high temperature ageing test box relates to test equipment production technical field, including the box, the tray of sliding connection in the box inside, drive mechanism and heating unit, and the test cabin is seted up in the box inside, and the through groove is seted up on the box outer wall, and the through groove is linked together with the test cabin, and drive mechanism sets up in the box inside, and drive mechanism output is connected with the tray, and heating unit sets up in the test cabin, and the tray is kept sliding in the test cabin through drive mechanism drive, and moves to the outside of the box through the through groove. The utility model provides an automatic high temperature ageing test box, and the test cabin in the box inside can be heated through heating unit to simulate high temperature environment, and the sample of being tested can be supported through the tray, and the tray can be kept sliding in the test cabin through drive mechanism drive, and then moves to the outside of the box through the through groove, can conveniently check the sample ageing state of test personnel at any time, improves test efficiency.