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Material sample shearing and fixing device and metal gas content analysis sample preparation method

A technology of fixing devices and metal materials, which is applied in the field of material processing, can solve the problems of potential safety hazards and poor uniformity, and achieve the effects of low cost, good uniformity, and simple and quick operation

Pending Publication Date: 2022-03-01
CHENGDU ADVANCED METAL MATERIALS IND TECH RES INST CO LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The present invention firstly provides a material sample shearing and fixing device, which solves the problems of poor uniformity and potential safety hazards in the existing sample preparation methods

Method used

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  • Material sample shearing and fixing device and metal gas content analysis sample preparation method

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with accompanying drawing.

[0020] see figure 1 , The material sample shearing and fixing device of the present invention includes a base body 1 and a fastener 2, a reference plane is set on the base body 1, the reference plane is a plane, and a positioning hole 3 is set on the reference plane. The positioning hole 3 is used to accommodate the material sample that needs to be sheared, and the positioning hole 3 can be a blind hole or a through hole. The positioning hole 3 is preferably a blind hole, and the material sample to be cut can be inserted into the bottom of the positioning hole 3, so as to control the length of the cut material. The material sample that needs to be cut can be inserted into the bottom of the positioning hole 3, and then sheared after being fixed; or not inserted into the bottom of the positioning hole 3, and then sheared after being fixed. One side of the positioning hole 3...

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Abstract

The invention discloses a material sample shearing and fixing device and a metal gas content analysis sample preparation method, relates to the field of material processing, and solves the problems of poor homogeneity and potential safety hazards in the existing sample preparation mode. The adopted technical scheme is as follows: the material sample shearing and fixing device comprises a base body and a fastener, the base body is provided with a reference surface, the reference surface is provided with a positioning hole, one side of the positioning hole is provided with a threaded through hole, the fastener comprises a screw-shaped part, and the screw-shaped part is installed in the threaded through hole of the base body. The preparation method of the metal gas content analysis sample comprises the following steps: firstly, processing a metal material into a rod shape and cleaning; secondly, one end of the metal material is fixed, and the other end of the metal material is inserted into the positioning hole and fixed through a fastener; thirdly, the metal material is sheared; and finally, preparing an analysis sample of the metal material. The method is suitable for preparing metal material gas content analysis samples with high hardness such as die steel, high-strength steel and high-temperature alloy.

Description

technical field [0001] The invention relates to the field of material processing, in particular to an auxiliary device for fixing a material sample when cutting a certain length of material sample, and a method for preparing a sample for gas content analysis of a metal material. Background technique [0002] Before the metal material is subjected to the gas content analysis test, the metal material needs to be sheared and sampled according to certain requirements. For example, to carry out the gas (hydrogen, oxygen, nitrogen) content analysis test of mold steel, firstly, the mold steel needs to be processed into a round bar of about Φ6mm, and then a sample with a length of about 5mm is cut from the round bar, and then the sample is cleaned and cleaned. Put it into a graphite crucible, and finally put it into a testing instrument for test analysis. [0003] The preparation process of the mold steel test sample is usually as follows: According to the length of the sample, cut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N1/34
CPCG01N1/286G01N1/34G01N2001/2873
Inventor 刘宁张军陈文雄尹凤先
Owner CHENGDU ADVANCED METAL MATERIALS IND TECH RES INST CO LTD
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