500 results about "Test material" patented technology

The invention provides a material simulation test method and platform for mold flow analysis, and relates to the technical field of material simulation testing, and the method comprises the steps: carrying out the product demand analysis of a target test material, and obtaining the product demand information; performing injection molding analysis to obtain an injection molding control parameter threshold; obtaining an injection molding simulation test model; carrying out an injection molding simulation test, and carrying out image pre-acquisition to obtain a first pre-acquired image; defect feature analysis is carried out, attention area distribution is carried out, and a target attention area is obtained; an injection molding defect area image is obtained, and defect feature information is obtained; and feedback testing and parameter optimization are carried out, optimized injection molding control parameters are obtained, and injection molding control is carried out. The technical problems that in the prior art, injection molding analysis generally depends on a fixed mathematical model and limited technological parameters, and problems in the molding process cannot be recognized and adjusted in real time, so that the production efficiency and the product quality are low are solved.

Provided in the embodiments of the present application are a large-model performance assessment method and a related device. The method comprises: acquiring structured text description of a test material, wherein the structured text description comprises information of the test material in a plurality of dimensions; inputting the structured text description and a test question into a large language model, so as to acquire an evaluation true value; inputting the test material and the test question into a large model under test, so as to acquire an answer under test of the test question; and inputting the evaluation true value, the test question and the answer under test into the large language model, so as to acquire an assessment result for the answer under test.

The invention discloses a production method of thick-wall pipeline steel X65MS for polar regions, which adopts ultra-low carbon and high Ni + casting blank secondary cogging extreme cooling + steel plate online ultrafast cooling, breaks the component design of the conventional pipeline steel standard, solves the problem of poor drop hammer low-temperature toughness of thick-wall acid-resistant pipeline steel at-55 DEG C, and has the transverse and longitudinal yield strength of 460-560MPa, the tensile strength of 590-650MPa, the yield ratio of less than or equal to 0.80, the tensile strength of 590-650MPa and the tensile strength of less than or equal to 0.80. The uniform elongation is 10%-12%, the impact value at-55 DEG C is 400-500 J, and the drop weight at-55 DEG C is 90%-95%; when the product is soaked in an NACE solution for 96 hours in an HIC test, CLR, CTR and CSR are all 0; sSC test: four-point bending constant load nominal yield is 90%, and the sample is soaked for 720 hours, and the surface of the sample has no crack; the CTOD value of the crack tip opening displacement of the CTOD test material at-55 DEG C is greater than or equal to 0.6 mm.

The invention relates to an L-shaped vacuum pipeline temperature control method and system and an intelligent terminal, and relates to the technical field of temperature control, and the method comprises the steps: obtaining the type information of a test material and the temperature detection information of each section of an L-shaped vacuum pipeline; calling a temperature detection value and a detection position point based on the temperature detection information; analyzing and determining a temperature reference value according to the detection position point and the test material type information; calculating a difference value between the temperature detection value and the temperature reference value and taking the difference value as a temperature deviation value; and temperature control information is analyzed and determined according to the temperature deviation value, and the temperature control information is output to heating jackets preset on all the sections of the L-shaped vacuum pipeline for temperature adjustment. The L-shaped vacuum pipeline has the effect that the L-shaped vacuum pipeline is not prone to being blocked.

The utility model relates to the technical field of light splitting and color separation of electronic products, in particular to a turret type high-speed light splitting machine which comprises a working table and a feeding module arranged on one side of the working table, a turret module is arranged on the upper surface of the working table, and a positioning module, a contrast optical fiber detection module and a detection module are sequentially arranged along the periphery of the turret module. Materials are rapidly and accurately conveyed to a designated position through an L-shaped piece track of the vibration disc, the materials are picked up and conveyed through a suction nozzle in the turret module, the positions of the materials are transferred, then the positioning module is used for grabbing the materials, whether the materials are sucked on all stations of a turret or not is detected through the contrast optical fiber detection module, and the materials are accurately conveyed to the designated position. According to the light-splitting and color-separating device, the material can be detected through the plurality of Dongjing welding probes, and the tested material is blown to the material falling box under the action of the material blowing module, so that the light-splitting and color-separating completion period of the material is shortened, the production capacity is improved, and meanwhile, the production cost is reduced.

The invention provides a device and method for testing the fracture toughness of a Charpy-like impact sample in a low-temperature environment, and the device comprises an environment box system which is used for providing a low-temperature test environment; the frame system is located in the environment box system, the sample is located in the frame system, a boss is arranged at the bottom of the frame system, and the bottom end of the boss is an arc surface; the loading system comprises a pressure head and a lower guide rod, the lower guide rod is upwards inserted into the environment box system, the pressure head is downwards inserted into the frame system, the boss is located above the lower guide rod, the sample is located below the pressure head, and a notch of the sample is located on a connecting line of the pressure head and the center of the bottom end of the boss; and the measuring system is used for measuring test data. A low-temperature test environment is provided through the low-temperature test box, the purpose of testing the fracture toughness of the Charpy-like impact sample in the low-temperature environment can be achieved, and the device has the advantages that clamping is convenient in the test process, automatic centering is achieved, and the test error is small; meanwhile, test material consumption is reduced, and cost is reduced.

The invention provides a micro-area variable-angle grazing incidence wide-angle scattering test method based on a single-crystal X-ray diffractometer, which comprises the following steps: preparing a sample from a test material deposited on a substrate, and placing the sample on an improved sample rack which is provided with a specific structure and a driver for controlling an incident angle and the like; selecting an X-ray light source, aligning the X-ray light source with the sample, and switching and matching a copper target and a molybdenum target; z-scan scanning and tilting scanning along a light path direction and a direction vertical to the light path are carried out, and related parameters are set; the scattered X-rays are collected through a two-dimensional surface detector; and finally obtaining a correlation graph through software integration. Specific requirements for the table size, scanning parameters and the like of the improved sample holder are met, a height reference position, an adjusting structure and the like are further arranged, and a connecting part is installed on an equipment sample table through screw joint. The problems of inaccurate incident angle and height control and the like in the prior art are solved, and the test accuracy and reliability are improved.

The invention discloses a cold and hot impact test method and system for synchronously applying multi-dimensional stress, and relates to the technical field of material tests.The method comprises the steps that space time temperature distribution of a test material in the cold and hot impact process is obtained, and a thermal stress field is established; superposing the external mechanical stress field and the thermal stress field to obtain a comprehensive stress field, coupling thermal stress and mechanical stress, and calculating comprehensive strain; and acquiring real-time monitoring data of the test material in cold and hot impact and multi-dimensional stress environments, calculating an experiment monitoring index, performing threshold judgment, and when the experiment monitoring index is greater than a preset threshold, performing accumulative analysis on the test material, outputting an accumulative damage measure, and completing the test. By comprehensively considering the superimposed effect of mechanical stress and thermal stress, damage accumulation in a multi-dimensional stress environment is monitored in real time, and the fatigue life and the potential failure mode of the material are scientifically predicted through a multi-factor coupling damage assessment method, so that the accuracy of reliability assessment of the material is improved.

The invention relates to the technical field of material thermal performance testing, and discloses a material heat conductivity coefficient automatic testing method based on a heat flow gradient method. The method comprises the following steps: firstly, constructing a test environment topology network, collecting three-dimensional structure parameters and environment thermodynamic parameters of a tested material, and inputting the parameters into a thermal field simulation system to generate an internal heat flow distribution model; and analyzing internal cavity distribution characteristics according to the three-dimensional structure parameters, matching the internal cavity distribution characteristics with a cavity characteristic-heat source layout mapping table to determine a steady-state heat source layout scheme, and activating a heat flow gradient analysis device when multiple heat sources are needed. A heat conduction parameter database is called, heat source power parameters and temperature acquisition parameters are extracted based on environmental thermodynamic parameters, the heat source power parameters comprise spacing, axial angles and the like, and the temperature acquisition parameters comprise thermocouple types and acquisition frequencies; and finally, simulating temperature field evolution through a heat flow gradient analysis device, outputting and analyzing related data, and generating a parameter optimization instruction to adjust heat source configuration. According to the method, multiple links are coordinated, material structures and environmental factors are integrated, and automation of the testing process is achieved.

The invention relates to the field of metal material testing, in particular to equipment for testing material performance, which comprises a testing platform, the testing platform is provided with a detection mechanism, a supporting mechanism, an extrusion mechanism and a power mechanism, the extrusion mechanism and the power mechanism are arranged on the supporting mechanism, and the extrusion mechanism comprises an extrusion block and a reversing unit for adjusting the orientation change of the extrusion block. At least one end of the extrusion block is open, the extrusion block is used for shearing and crushing a to-be-tested substrate, and a rotating handle is arranged on the extrusion block; and the power mechanism comprises a shearing driving unit and a pressure driving unit which are used for driving the extrusion block to move. By implementing the scheme, the test efficiency of the magnesium alloy material under various test conditions is improved.

The invention belongs to the technical field of radar wave-absorbing material testing, and provides a high and low temperature controllable radar wave-absorbing material reflectivity testing device and method, and the device comprises a microwave darkroom, a detection mechanism and a tested object placement mechanism which are arranged in the microwave darkroom, and a temperature control mechanism; the detection mechanism comprises a first bracket arranged in the microwave darkroom, and a transmitting antenna and a receiving antenna which are arranged on the first bracket; the tested object placing mechanism comprises a second bracket arranged in the microwave darkroom and a cover body arranged on the second bracket and used for placing a tested object; the temperature control mechanism comprises a temperature control box, and an air inlet pipe and an air return pipe which are connected with the temperature control box; the ends, away from the temperature control box, of the air inlet pipe and the air return pipe are communicated with the interior of the cover body, the air quantity and the air speed entering the cover body are controlled through the temperature control box, the temperature and the humidity in the cover body meet preset requirements, the real environment can be simulated, and the heating uniformity of a tested material can be guaranteed through the arrangement of the cover body.

The invention discloses test equipment and a test method for interaction of a melt and a nuclear power special material. The test equipment comprises a smelting chamber, a smelting container assembly, an electromagnetic and shielding control system, a gas control system, a temperature measurement system and a remote operation system, the smelting container assembly is located in the smelting chamber, the smelting container assembly is used for containing test materials including melts and nuclear power special materials, and at least part of the electromagnetic and shielding control system is located in the smelting chamber and wraps the outer side of the smelting container assembly so as to conduct electromagnetic induction heating on the melts; nuclear power special materials are shielded from electromagnetic interference; the gas control system is used for providing a gas environment for the interior of the smelting container assembly and extracting gas for filtering, discharging, collecting or analyzing, the temperature measuring system is used for measuring the temperature in the molten pool and the temperature of the nuclear power special material, and the remote operation system is used for remotely controlling the test equipment to complete test operation.

The invention relates to an aviation titanium alloy laser shock peening and mechanical shot peening composite process strengthening method. The method comprises the following steps: cutting an aviation titanium alloy material into a plurality of square blocks and tensile fatigue parts by using a wire cutting machine; grinding with abrasive paper, and then polishing with a polishing agent, so that the surface of the aviation titanium alloy test material is smooth; carrying out laser shock peening treatment on one part of the aviation titanium alloy test material subjected to surface treatment; performing various detections on the aviation titanium alloy test material subjected to the same parameter and different impact strengthening times; the method comprises the following steps: carrying out mechanical shot blasting on an aviation titanium alloy sample with the best detection effect, carrying out mechanical shot blasting on part of original samples, then carrying out laser shock peening, and comparing the mechanical properties of the materials subjected to shock peening in different modes to obtain an optimal result. According to the method, two processes of mechanical shot peening and laser shock peening are combined, so that the fatigue resistance, the damage resistance and the stress corrosion resistance of the material are improved.

The present invention discloses a material mechanical parameter identification method based on interval optimization and indentation testing, which specifically comprises the following steps: Step 1: performing multiple Berkovich indentation tests on the metal material to be tested, obtaining load and displacement curves of multiple loading processes of the nanoindentation test of the tested material, and obtaining the upper and lower limits of the loading curvature C; Step 2: establishing a design space for the material plasticity parameters, and establishing a simulated indentation displacement snapshot matrix X. sim Step 3: Establish an artificial neural network including an input layer, two hidden layers, and an output layer connected in sequence, and optimize the hyperparameters of the established artificial neural network; Step 4: Establish an uncertain optimization problem; Step 5: Based on the interval optimization and interval order relationship of the minimization problem, the uncertain optimization is converted into a deterministic optimization, and a two-layer genetic algorithm nested solution method is used to solve the uncertain optimization problem. The method of the present invention reduces the cost of parameter identification calculation and improves the efficiency of numerical calculation.

The invention discloses a building material mechanical testing system based on multi-algorithm fusion, and belongs to the technical field of building material testing, and the system comprises an initial damage quantification module which is used for obtaining detection information of a tested material test piece before mechanical loading and generating a quantitative evaluation result; the loading and information acquisition module is used for applying a mechanical load to the tested material test piece with the generated quantitative evaluation result and acquiring a mechanical response signal and a microscopic state signal of the tested material test piece; the damage analysis module is used for calling a preset second data processing algorithm and analyzing and generating a dominant damage path; and the diagnosis and prediction module is used for integrating the associated data atlas and the dominant damage path information, generating a material performance diagnosis report and constructing a prediction model through a preset third data processing algorithm. According to the method, the initial damage of the tested material test piece is quantified, so that systematic deviation of a test result caused by neglecting the initial damage is corrected.

The utility model discloses a material testing device under erosion and cavitation coupling action, which comprises a container, an ultrasonic transducer, an injector head and a circulating device, a placing table is arranged in the container, the ultrasonic transducer is used for being arranged above the placing table, the injector head is arranged at the lower end of the ultrasonic transducer, and the circulating device is arranged on the placing table. The circulating device comprises a booster pump, a liquid inlet of the booster pump is communicated with the container, and a liquid outlet of the booster pump is connected with the injector head through a pipeline; in the using state, the ultrasonic transducer is electrically connected with an ultrasonic power source through a wire. According to the utility model, the erosion medium is pumped into the injector head through the booster pump, and meanwhile, the ultrasonic transducer enables the erosion medium to generate a large number of bubbles in the injector head, so that the erosion medium with the bubbles impacts a test material at a high speed, and the test condition of the hydraulic mechanical material is met.

The invention relates to the technical field of performance testing, in particular to an all-weather outdoor surface radiation refrigeration performance testing system which comprises a testing mechanism used for collecting testing data of a tested material, and the testing mechanism comprises a main testing module used for testing the material and an auxiliary material testing module used for testing a contrast material; the small meteorological station is used for collecting data of an external environment and is arranged on one side, facing the sun, of the testing mechanism; the upper computer is used for collecting and analyzing data collected by the testing mechanism and the small meteorological station; the portable data collector is in data interaction connection with the small-sized weather station and the test mechanism, and the portable data collector is used for transmitting data collected by the small-sized weather station and the test mechanism to the upper computer. According to the invention, data such as environment temperature, humidity, solar radiation intensity, illuminance and surface temperature drop can be obtained in real time; performance evaluation and feasibility analysis are carried out on the refrigeration power, the cooling capacity and the heat exchange capacity of the tested material.

The invention relates to a material performance testing technology in a hydrogen environment, and aims to provide a method for acquiring the surface hydrogen concentration of a hydrogen permeation sample by considering a hydrogen trap effect. Comprising the following steps: performing multiple groups of hydrogen permeation experiments on a to-be-tested material; fitting a hydrogen permeation curve by using test data to obtain steady-state hydrogen permeation current density and hysteresis diffusion time under different conditions, and calculating the lattice hydrogen concentration of the hydrogen-filled surface; calculating the hydrogen trap density based on the progressive analysis curve of the hydrogen diffusion kinetic equation and the lattice hydrogen diffusion coefficient of the to-be-detected material; calculating the hydrogen trap binding energy of the to-be-tested material according to a thermal desorption spectrum experiment result; and establishing a balance relationship between lattice hydrogen concentration and trap hydrogen concentration, and obtaining a concentration distribution rule in the hydrogen diffusion direction and the hydrogen concentration on the hydrogen charging surface during steady-state diffusion. According to the method, the nonlinear effect, caused by the hydrogen trap effect in the hydrogen permeation process, of hydrogen distribution in the material during steady-state hydrogen diffusion is considered, and the hydrogen concentration on the surface of the hydrogen permeation experiment material can be obtained more accurately.

The invention provides a material performance testing method and system based on low-temperature environment simulation, and relates to the technical field of material performance testing. A dynamic stress reference signal containing multi-dimensional stress variables such as a temperature change gradient variable and an environment medium interaction variable is generated in combination with application scene dynamic low-temperature environment parameters, and a multi-dimensional performance coupling acquisition process is started based on the dynamic stress reference signal. Acquiring a multi-dimensional performance response data set of mechanical deformation response, physical property evolution, chemical stability and the like, performing coupling correlation analysis on the multi-dimensional performance response data set and a reference signal, calculating a performance response coupling coefficient and generating a performance coupling correlation model; and according to the performance coupling correlation model, identifying a dynamic stress threshold interval of material performance nonlinear change, finally, based on the threshold interval and the model, generating a material low-temperature performance test execution scheme containing dynamic threshold regulation and control logic, and adjusting a stress variable combination according to real-time performance response.

The invention discloses a method and a device for testing spatial distribution of fibers in concrete, and belongs to the technical field of civil engineering materials. The method for testing the spatial distribution of the fibers in the concrete comprises the following steps: firstly, carrying out a rheological test on freshly mixed fiber-reinforced cement concrete to obtain rheological parameters of the tested fiber-reinforced cement concrete, and then adjusting parameters of a Carbomer solution and colored cullet to obtain a tested material of which the rheological parameters are close to those of the fiber-reinforced cement concrete. And then the tested material is added into the transparent container, so that the distribution and state of the fibers in the fiber reinforced cement concrete can be intuitively observed through the image acquired by the image acquisition module. According to the method and the device for testing the spatial distribution of the fibers in the concrete, the problem that the fiber state in the flowing state of the fiber reinforced cement concrete cannot be qualitatively analyzed by the existing test method is solved.

The invention relates to a test tool and method for testing the shear strength of a material interface. The tool comprises a chuck, a fixing block, a base and a sliding block, a guide rail groove is formed in the base, one side of the guide rail groove is connected with the sliding block, and the other side of the guide rail groove is connected with the fixing block; the fixing block is provided with a fixing hole and a fixing block threaded hole, a pin penetrates through the fixing hole, the sample hole and the sliding block hole to fix the sample, and a bolt is fixed to the base through the fixing block threaded hole. The sliding block is provided with a sliding block sliding rail, a sliding block threaded hole and a sliding block hole, and the sliding block sliding rail is arranged in the guide rail groove of the base and fixed through a bolt; the chuck is located on the lower side of the base and serves as a device for connecting the base and the stretcher. According to the invention, the interface shear strength performance test can be carried out on the sample with any thickness, the bonding surface of the sample is always kept parallel to the axial force line in the initial sample mounting process and the tensile test process, and the bonding surface of the sample base material and the lap joint material in the initial test state is prevented from being abnormally damaged.

The utility model discloses a semiconductor thermal transient tester, including a test main shell, both sides of which are provided with a pre-test material table and a post-test material table, the test main shell, the pre-test material table and the post-test material table are all installed above the bottom platform through a support frame; the pre-test material table and the post-test material table are both rotatably installed on the top of the support frame, and a rotating motor for driving the pre-test material table and the post-test material table to rotate is installed inside the support frame; a constant temperature chamber is provided inside the test main shell, and a test seat is installed at the bottom of the constant temperature chamber, an inlet and an outlet are opened at the top of the test main shell, and a cover plate is provided at the bottom of the inlet and an outlet; a device transfer mechanism is installed above the test main shell. The thermal transient tester provided by the utility model can realize the rapid and accurate placement of semiconductor devices, significantly improve the efficiency of the test, and is conducive to the uninterrupted testing of batch semiconductor devices; semiconductor devices can be automatically and accurately placed at the test station to ensure the accuracy of the test results.

The invention relates to a material ignition effect on-line test system and a method thereof, belongs to the technical field of material ignition effect research and application, and solves the technical problems of low heat flow loading level and insufficient material pyrolysis and ignition characteristic on-line test capability in the material ignition effect research process. The test system comprises a heat flow loading subsystem, an effect on-line test subsystem and a combustion chamber. The heat flow loading subsystem is used for applying heat flow irradiation to a to-be-tested material, the effect on-line testing subsystem is used for collecting ignition effect parameters of the to-be-tested material, and the combustion chamber provides an irradiation space for the to-be-tested material. The testing method comprises the steps of self-inspection of the testing system, preparation of a to-be-tested material, placement of the to-be-tested material in the combustion chamber, arrangement of the testing system, arrangement of the heat flow loading system, and acquisition and analysis of material ignition effect data. The device is used for on-line testing of the material ignition effect.

A method for producing a test material that can measure the amount of diffusible hydrogen in a metal material having a welded portion with high accuracy is provided. A method for preparing a test material for measuring the amount of diffusible hydrogen in a metallic material having a welded portion, the method comprising: a blowhole position identifying step of identifying the position of a blowhole in the test material, which is a metallic material having a welded portion; and a processing step of processing the blowhole identified in the blowhole position identifying step so that it does not have a closed structure, or of removing the blowhole.

The invention discloses a method for simultaneously testing the thickness and refractive index of a material based on terahertz time-domain spectroscopy, which relates to the technical field of material testing and comprises the following steps: acquiring a reference signal and a sample signal by using a transmission-type terahertz time-domain spectroscopy system, and positioning a key pulse peak through an automatic peak value recognition algorithm; frequency domain phase information is obtained by combining fast Fourier transform, and then the phase difference between the main pulse and the echo is calculated; based on an optical path difference model, a relation equation set of the double-pulse phase difference and material parameters is established, the material thickness and the refractive index are obtained through inversion, and prior refractive index information is not needed; and finally, processing the data by adopting a local weighted regression smoothing algorithm to obtain comprehensive characterization parameters of the material. By adopting the method, high-precision, rapid and lossless thickness and refractive index measurement is realized, the applicability and the flexibility of measurement are remarkably improved, and the method has a wide industrial popularization prospect.

The invention provides a ground simulation test method and device based on ground irradiation source combination parameter optimization. The method comprises the steps that an in-orbit space irradiation environment is simulated, an orbit environment particle energy spectrum of a to-be-tested space orbit is obtained through calculation, and an in-orbit PKA distribution spectrum in a to-be-tested material is calculated based on the orbit environment particle energy spectrum; based on the obtained on-orbit PKA distribution spectrum, determining optimal combination parameters of one or more groups of ground irradiation sources through a specified optimization algorithm and fitting calculation, so that a PKA energy spectrum generated by the ground irradiation sources in the to-be-measured space material is matched with the on-orbit PKA distribution spectrum, and an optimal fitting energy spectrum is obtained; and calculating and determining a critical dose rate, and calculating to obtain an acceleration fluence and a maximum acceleration multiplying power for guiding a ground acceleration test so as to carry out a ground simulation test of the to-be-tested space material. According to the application, the combined parameters of the ground irradiation source are optimized, and a more accurate ground simulation test is realized.

The utility model relates to the technical field of carbon rod processing, in particular to a sampling and clamping mechanism which comprises a rack and a clamping device, a conveying belt is arranged on the surface of the rack, a fixing frame is rotatably connected to the surface of the rack, the clamping device is arranged on the surface of the fixing frame, the clamping device comprises a movable plate, a sliding groove is formed in the surface of the fixing frame, and the movable plate is connected with the conveying belt. The movable plate is slidably connected with the inner wall of the sliding groove, a sliding hole is formed in the surface of the movable plate, and two clamping rods are slidably connected with the inner wall of the sliding hole. By arranging the clamping device, materials can be conveniently clamped and sampled, and the situation that after carbon rods are manufactured and transported by rod manufacturing equipment, sampling detection needs to be conducted on the materials, and the sampling time is shortened can be effectively reduced; however, during sampling, materials need to be manually taken and sampled, so that the situation that manual workload is increased and operation is inconvenient is avoided, the situation that manual sampling and detection are carried out at the same time, so that efficiency is low is reduced, and then the usability of equipment during sampling is improved.

The utility model provides a cold-drawing hot-pressing fatigue testing machine for a sealing material, which relates to the technical field of fatigue testing machines and comprises a test supporting seat, a pressure detection plate for pressure detection is fixedly mounted in the test supporting seat, and a negative pressure component for sucking the material is arranged in the middle of the test supporting seat. And a lifting support for lifting adjustment is fixedly mounted at the top end of the test supporting seat. The testing machine has the advantages that the rotatable test supporting seat is arranged in the testing machine to clamp and fix a tested material, the negative pressure assembly is arranged in the center of the test supporting seat to perform negative pressure adsorption on the tested material, and the test materials with various structures can be conveniently clamped and fixed by combining with the clamping of the test supporting seat; according to the material fixing device, material loosening caused by the limited clamping contact area is avoided, the stability of test material fixing can be effectively enhanced, the applicability of material fixing can be improved, and fixing tests can be conducted on unused materials easily.

The utility model relates to the field of thermoplastic elastic material detection, in particular to a device for detecting the corrosion resistance of a thermoplastic elastic material. The utility model provides a device for detecting the corrosion resistance of a thermoplastic elastic material, which is simple in structure and convenient to operate, improves the detection efficiency of the corrosion resistance of the thermoplastic elastic material, and ensures the safety of operators. A device for detecting the corrosion resistance of a thermoplastic elastic material comprises an operation table, keys, a solution tank and the like. According to the device, a material to be tested is placed on the operating platform, the valve is remotely opened to enable a corrosion solution to drop on the material to be tested, and then the material to be tested is stretched to detect the elastic change of the material, so that the device is simple in structure and convenient to operate, and the corrosion resistance detection efficiency of the thermoplastic elastic material is improved; and meanwhile, the safety of operators is ensured.

The invention provides a three-dimensional deformation information acquisition method and system for large deformation measurement of a material, and relates to the technical field of material manufacturing and testing, and the method comprises the steps: carrying out the continuous shooting of the deformation state of the surface of a to-be-measured material through a binocular camera, so as to obtain a to-be-measured speckle image sequence of the surface of the to-be-measured material; taking a first to-be-measured speckle image in the to-be-measured speckle image sequence as a first reference image, taking a second to-be-measured speckle image in the to-be-measured speckle image sequence as a first deformed image, and calculating correlation coefficient distribution between the reference image and the deformed image to obtain a plurality of reference image update points; dividing the to-be-detected speckle image sequence into a plurality of to-be-detected speckle image groups based on the plurality of reference image update points, taking a first to-be-detected speckle image in each to-be-detected speckle image group as a second reference image, and performing deformation calculation on each to-be-detected speckle image group to obtain three-dimensional deformation information of each to-be-detected speckle image group, and integrating all the three-dimensional deformation information to obtain the three-dimensional deformation information at each moment. According to the invention, the accuracy of acquiring the three-dimensional deformation information can be improved.