Instrument and method for in-situ testing of material properties under force-electricity-heat-vertical magnetic field coupling condition

Abstract

The invention relates to an instrument and method for in-situ testing of material properties under a force-electricity-heat-vertical magnetic field coupling condition, and belongs to the field of precise scientific instrument. The instrument comprises an axial force loading platform, a silicone oil tank assembly component and a controllable electromagnet component, wherein the axial force loading platform is composed of a fixed end assembly component and a movable end assembly component. The axial force loading platform provides support or applies an axial compression load to a tested material sample in the testing process according to experimental conditions, the force load and displacement are precisely detected while the compression load is applied, and a detection means of the compressive mechanical properties of the tested material sample is effectively provided. The silicone oil tank assembly component is used cooperatively with insulation fixtures at two ends, is integrated with a resistance-type heating block, a thermocouple, a controllable electromagnet, a Hall probe and other test devices, and provides a corresponding electricity-heat-magnetism multi-physical field loading test environment for testing the tested material sample. The instrument has the advantages of miniaturized and light-weight structure, high function integration degree and high practicability.

Description

technical field [0001] The invention relates to the field of precision scientific instruments, in particular to an instrument and method for in-situ testing of material properties under the condition of force-electricity-thermal vertical magnetic field coupling. It can provide compression load and electric field-thermal field-perpendicular magnetic field multi-physics loading for the tested material sample, so that the compression curve of the tested material sample and material physics such as electric hysteresis loop, electrostriction, and magnetic hysteresis loop can be accurately tested. parameter. Cooperating with in-situ observation equipment such as optical microscopes, it can not only effectively monitor the microstructural changes of the tested material samples under the loading condition of a single physical field and the physical performance parameters of the materials in real time, but also explore the dynamics in the multi-physics field coupling conditions. The c...

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Problems solved by technology

[0003] The purpose of the present invention is to provide an in-situ test instrument and method for material properties under the coupling condition of force, electricity, heat, and vertical magnetic fields, which solves the problem that existing commercial instruments and equipment cannot concentrate on realizing force-electricity-heat-magnetic multi-physics field coupling. Questions about material performance testing

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