Instruments and methods for in-situ testing of mechanical properties of materials under high temperature and complex mechanical loads

Abstract

The invention relates to an in-situ testing instrument and method for mechanical properties of materials under high-temperature complex mechanical loads, belonging to the field of precision scientific instruments. The supporting frame module of the instrument is used to realize stable support and effective vibration isolation for each functional module of the instrument; the high-frequency fatigue loading module is used to realize high-frequency fatigue loading on the tested sample; the static and dynamic mechanical load The combined loading of static and dynamic tensile / compressive / bending loads of the tested sample; the high / low temperature loading module is used to realize the variable temperature environment loading of the tested sample from low temperature to high temperature; the in-situ monitoring module can integrate surface deformation according to actual test needs Damage measurement components, three-dimensional strain measurement components, microstructure measurement components and internal damage detection components, thereby realizing parallel and accurate in-situ measurement of the micromechanical behavior, deformation damage mode and performance evolution law of the tested sample. It has the advantages of complex load environment, rich test content and high measurement accuracy.

Description

technical field

[0001] The invention relates to the field of precision scientific instruments, in particular to an in-situ testing instrument and method for mechanical properties of materials under high temperature and complex mechanical loads. Background technique

[0002] With the continuous development of science and technology, many key fields such as aerospace, automobile manufacturing and nuclear industry have significantly increased the requirements for the ability to guarantee the mechanical properties of materials under high temperature, heavy load, and high frequency loads. Advanced mechanical testing equipment and mechanical testing technology It has become the key to test material properties and carry out process optimization. Facing the material testing requirements in the above-mentioned many key areas, in-situ testing of the mechanical properties of materials under high temperature and complex mechanical loads is the guarantee for evaluating their mechanical p...

Examples

Embodiment Construction

[0055] The detailed content of the present invention and its specific implementation will be further described below in conjunction with the accompanying drawings.

[0056] see Figure 1 to Figure 24 As shown, the in-situ test instrument and method for the mechanical properties of materials under high-temperature complex mechanical loads of the present invention is composed of supporting frames, high-frequency fatigue loading, static and dynamic mechanical load loading, high / low temperature loading, in-situ monitoring and other modules. Among them: the support frame module is used to realize stable support and effective vibration isolation for each functional module of the instrument; the high-frequency fatigue loading module is used to realize high-frequency fatigue loading on the tested sample, and static bending preload can also be applied according to actual test needs The static and dynamic mechanical load loading module is used to realize the combined loading of the stat...

technical field

[0001] The invention relates to the field of precision scientific instruments, in particular to an in-situ testing instrument and method for mechanical properties of materials under high temperature and complex mechanical loads. Background technique

[0002] With the continuous development of science and technology, many key fields such as aerospace, automobile manufacturing and nuclear industry have significantly increased the requirements for the ability to guarantee the mechanical properties of materials under high temperature, heavy load, and high frequency loads. Advanced mechanical testing equipment and mechanical testing technology It has become the key to test material properties and carry out process optimization. Facing the material testing requirements in the above-mentioned many key areas, in-situ testing of the mechanical properties of materials under high temperature and complex mechanical loads is the guarantee for evaluating their mechanical p...

Examples

Embodiment Construction

[0055] The detailed content of the present invention and its specific implementation will be further described below in conjunction with the accompanying drawings.

[0056] see Figure 1 to Figure 24 As shown, the in-situ test instrument and method for the mechanical properties of materials under high-temperature complex mechanical loads of the present invention is composed of supporting frames, high-frequency fatigue loading, static and dynamic mechanical load loading, high / low temperature loading, in-situ monitoring and other modules. Among them: the support frame module is used to realize stable support and effective vibration isolation for each functional module of the instrument; the high-frequency fatigue loading module is used to realize high-frequency fatigue loading on the tested sample, and static bending preload can also be applied according to actual test needs The static and dynamic mechanical load loading module is used to realize the combined loading of the stat...

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