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In-situ testing machine for microcosmic performance of multi-load and multi-physical-field coupling material

A multi-physical field and material microscopic technology, which is applied in the direction of analyzing materials, testing material hardness, and using stable tension/pressure to test material strength, etc., to achieve the effect of high scientific significance, complete functions, and compact structure

Active Publication Date: 2014-01-08
JILIN UNIV
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Problems solved by technology

However, the existing commercial testing machine is difficult to meet the simulation and detection of the material performance testing process under the multi-field coupling. The development trend of material testing machine

Method used

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  • In-situ testing machine for microcosmic performance of multi-load and multi-physical-field coupling material
  • In-situ testing machine for microcosmic performance of multi-load and multi-physical-field coupling material
  • In-situ testing machine for microcosmic performance of multi-load and multi-physical-field coupling material

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Embodiment Construction

[0034] The detailed content of the present invention and its specific implementation will be further described below in conjunction with the accompanying drawings.

[0035] see Figure 1 to Figure 9As shown, the multi-load multi-physical field coupling material microscopic property in-situ testing machine of the present invention includes a tension / compression module 1, a torsion module 2, an indentation module 3, an in-situ observation module 4, a three-point bending module 5, a thermal Magnetic loading module 6, frame support module 8 and clamping module 9, the testing machine adopts a horizontal asymmetric structure arrangement as a whole, and pull / twist sensor 7 and pull torsion module sensor are arranged on one side; the indentation module 3 and in-situ The observation module 4 is integrated on the same lifting platform; the three-point bending module 5 and the thermal-magnetic loading module 6 are integrated on the same lifting platform; the tension / compression module 1 ...

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Abstract

The invention relates to an in-situ testing machine for the microcosmic performance for a multi-load and multi-physical-field coupling material, belonging to the technical field of material mechanics property testing. The in-situ testing machine comprises a micro / nanometer-precision driving / transmission module, a 'mechanical-electric-thermal-magnetic' loading module and a control module, is integrated with a high-field-depth 3D (three dimensional) micro-imaging lens, a Raman spectrometer and a visual in-situ monitoring module and is capable of dynamically monitoring deformational behaviors, damage mechanisms and performance evolvement rules of the material in a loading process. The in-situ testing machine has the advantages that the whole structure is compact, and the space layout is saved; the loads of four manners including 'stretching / compression-torsion-bending-indentation' can be singly loaded, two or more loads can be combined to be loaded as well, and externally-applied physical fields such as heat, electricity, magnetism and the like can be combined to maximally simulate the real working conditions of components of the material, and effective measures and methods are provided for testing the micromechanical performance of the material under a service-approximating condition.

Description

technical field [0001] The invention relates to the field of material performance testing, in particular to a testing machine for in-situ testing of microscopic properties of materials coupled with multiple loads and physical fields. Background technique [0002] Conventional tensile, bending, and torsion testing techniques based on standard specimens are relatively mature, and can analyze the microscopic mechanical properties of samples under a single load while meeting the requirements of macroscopic mechanical properties such as material strength and fatigue properties. . However, most of the testing principles are off-site testing, and it is impossible to conduct real-time dynamic observation of the microstructure morphology of the specimen during the testing process. Therefore, it is difficult to effectively combine the internal mechanism of the material microstructure change with the macroscopic mechanical properties of the material for comprehensive analysis. Mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/00G01N3/08G01N3/26G01N3/40
Inventor 赵宏伟任露泉李聪曲涵张永利缑旭佟达唐可洪范尊强朱仲伟高景程虹柄林增宇张富邹青徐丽霞
Owner JILIN UNIV
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