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A thin plate tissue positioning sample preparation method

A positioning system and thin plate technology, which is applied in the preparation of test samples, etc., can solve the problems of inability to inspect thin plate structures, achieve flexible and accurate positioning sample preparation, simple method, and strong practicability

Active Publication Date: 2018-04-17
武汉钢铁有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method cannot inspect the structure of the thin plate along the thickness direction

Method used

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  • A thin plate tissue positioning sample preparation method
  • A thin plate tissue positioning sample preparation method
  • A thin plate tissue positioning sample preparation method

Examples

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Embodiment Construction

[0029] Below in conjunction with accompanying drawing, further illustrate the present invention by specific embodiment:

[0030] (1) Wipe and clean the surface of the thin plate 7 with alcohol to ensure that the surface is smooth and clean; if the thickness of the thin plate 7 is less than 1 mm, you can use 502 or other super glue to bond multiple samples or a piece of other steel samples with a thickness of 1 mm or more. In order to increase the inlay depth and avoid the sample falling off due to the thinness of the sample during the grinding process.

[0031] like figure 1 As shown, along the direction of the thickness surface 4 of the thin plate, the upper surface 5 and the lower surface 6 of the thin plate 7 are perpendicular to the plate surface sample 1 and the cross-section sample 2. Wherein the surface of the plate surface sample 1, that is, the surface of the plate sample plate, is a rectangle; the cross-section sample thickness surface 8 of the cross-section sample ...

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Abstract

The invention provides a method for tissue positioning sample preparation of a thin plate, the steps comprising: (1) vertically intercepting a plate surface sample and a cross-section sample along the thickness direction of the thin plate, perpendicular to the plate surface of the thin plate, and then combining the plate surface sample with the Fix the cross-section samples together, keep the plate surface of the plate surface sample and the thickness surface of the cross-section sample on the same plane; (2) Perform metallographic polishing or corrosion operations on the plate surface sample and the cross-section sample, and observe Determine the corresponding plate thickness position when the cross-section structure changes; (3) Grind the plate surface of the plate surface sample and the thickness surface of the cross-section sample on the same plane at the same time, so that the thickness of the plate surface sample reaches Step (2) Determine the required plate thickness position. The present invention combines tissue positioning and thickness positioning to realize multi-level positioning analysis, especially the tissue changes in the thickness direction of the infiltrated layer and the plating layer are uncertain. This method can flexibly and accurately position samples according to tissue changes, Strong practicality.

Description

technical field [0001] The invention relates to the field of tissue inspection of steel plates, in particular to a tissue positioning sample preparation method for thin plates. Background technique [0002] According to the thickness, the steel plate is divided into four categories: special thick plate, thick plate, medium plate and thin plate. In my country, steel plates with a thickness greater than 60 mm are called extra-thick plates, steel plates with a thickness of 20 to 60 mm are called thick plates, steel plates with a thickness of 4.5 to 20 mm are called medium plates, and steel plates with a thickness of 0.2 to 4 mm are called thin plates. [0003] As we all know, for metal materials such as iron and steel, the composition and process determine its structure, and the structure determines its performance. The testing and research of tissues is the key to improving ingredients and processes and improving performance. The organization mentioned here includes microstr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28
Inventor 关云王志奋马家艳邓照军许竹桃吴立新周元贵黄海娥杨志婷
Owner 武汉钢铁有限公司
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