Instrument and method for testing mechanical property of materials under tension-torsion composite-force-thermal coupling working conditions

A material mechanics and testing instrument technology, applied in scientific instruments, using stable torsional force to test material strength, instruments, etc., can solve the problem of physical field loading coupling, inability to observe in situ and mechanical load loading, and a single type of loading load and other problems, to achieve the effect of compact structure, high coaxiality and good neutrality

Pending Publication Date: 2020-01-21
JILIN UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to provide an instrument and method for testing the mechanical properties of materials under the working conditions of tension-torsion composite-force-thermal coupling, which solves the pro

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  • Instrument and method for testing mechanical property of materials under tension-torsion composite-force-thermal coupling working conditions
  • Instrument and method for testing mechanical property of materials under tension-torsion composite-force-thermal coupling working conditions
  • Instrument and method for testing mechanical property of materials under tension-torsion composite-force-thermal coupling working conditions

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[0035] The detailed content and specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0036] See Figure 1 to Figure 9 As shown, the instrument and method for testing mechanical properties of materials under tension-torsion composite-force-thermal coupling conditions of the present invention mainly includes: a supporting module 1, a tensile loading module 2, a torsional loading module 3, a high temperature loading module 4, and In-situ monitoring module. Among them, the support module 1 is the structural support of the entire test equipment. It adopts a vertical four-pillar layout scheme, which is convenient for clamping and positioning, and is convenient to carry the in-situ monitoring module for testing under complex working conditions, which is in line with the multi-factor coupling module Modified design concept; the tensile loading module 2 is driven by an electric power source, and the roller screw and...

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Abstract

The invention relates to an instrument and method for testing the mechanical property of materials under tension-torsion composite-force-thermal coupling working conditions, and belongs to the field of precision instruments and equipment. The instrument includes a supporting module, a tension loading module, a torsion loading module, a high temperature loading module and an in-situ monitoring module; and a torsion motor of the torsion loading module is fixed to one side of a first helical gear reducer and the other side of the first helical gear reducer is fixed to an upper base of the supporting module through fixing bolts, so that a sample to be tested is subjected to bidirectional and simultaneous tension loading. The tension-torsion combined load loading and test can be performed on the sample to be tested under high temperature environment, the mechanical behavior and performance evolution law of the materials under the action of high temperature and tension-torsion complex mechanical loads are dynamically tested, and the characteristics of stable whole machine structure, rich compatible modules, high test accuracy, high complexity of load loading environment are achieved. Important foundation and support are provided for material development and preparation, optimization design of mechanical equipment, life prediction and reliability assessment.

Description

technical field [0001] The invention relates to the field of precision instruments and equipment, in particular to a precision instrument and equipment for testing and characterizing the mechanical properties of materials, especially to an instrument and method for testing the mechanical properties of materials under the working conditions of tension-torsion composite-force-heat coupling. The instrument and equipment can realize the composite loading of tensile / compression-torsion load on the tested sample under high temperature environment, and integrate the in-situ monitoring module to observe the mechanical behavior and performance evolution law of the material under complex mechanical load in real time. The invention provides a new test method and idea for the research on the service performance of materials under complex static and dynamic mechanical loads and extreme physical fields; at the same time, it provides important information for the research and development of m...

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Application Information

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IPC IPC(8): G01N3/18G01N3/22
CPCG01N3/18G01N3/22G01N2203/0003G01N2203/0017G01N2203/0019G01N2203/0021G01N2203/005G01N2203/0075G01N2203/0226G01N2203/0641G01N2203/0682
Inventor 赵宏伟方宇明李世超张晗赵久成牟禹安
Owner JILIN UNIV
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