Structure positioning sample preparation method of sheet

A positioning system and thin plate technology, which is applied in the preparation of test samples, etc., can solve the problems such as the inspection of thin plate tissue, and achieve the effect of flexible and accurate positioning sample preparation, strong practicability, and simple method

Active Publication Date: 2016-02-03
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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  • Structure positioning sample preparation method of sheet
  • Structure positioning sample preparation method of sheet
  • Structure positioning sample preparation method of sheet

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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] Such as 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 samp...

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PUM

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Abstract

The invention provides a structure positioning sample preparation method of a sheet. The method includes the steps that 1, in the thickness direction of the sheet, a sheet surface sample and a cross section sample are perpendicularly taken in a cutting mode perpendicular to the sheet surface, the sheet surface sample and the cross section sample are fixed together, and the sheet surface of the sheet surface sample and the thickness surface of the cross section sample are kept in the same plane; 2, the sheet surface sample and the cross section sample are subjected to metallurgical polishing or corrosion, changing of structures is observed, and the corresponding sheet thickness position generated when the cross section structure changes is determined; 3, the sheet surface of the sheet surface sample and the thickness surface of the cross section sample, which are located in the same plane, are polished at the same so that the thickness of the sheet surface sample can reach the needed sheet thickness position determined in the step 2. According to the method, structure positioning and thickness positioning are combined, and multilevel positioning analysis is achieved; especially, for nondeterminacy of structure changing of a penetrating layer and a plating layer in the thickness direction, a prepared sample can be flexibly and accurately positioned according to structure changing, and therefore practicability is high.

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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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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