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Method for preparing section sample used for analyzing evolution process of cubic texture

An evolutionary, cubic texture technology, applied in the preparation of test samples, material analysis using measurement of secondary emissions, material analysis using wave/particle radiation, etc. Less texture, etc.

Inactive Publication Date: 2012-06-27
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional EBSD information collection is mostly concentrated on the sample surface, and there are very few studies on the formation of cubic texture on the sample cross section.
Most researchers use the mounting method to prepare the cross-section of the baseband. This method not only wastes resources, but also has low preparation efficiency.
Since it is not easy to separate the samples after mounting, it will cause certain difficulties for the later recrystallization treatment.
If the recrystallization treatment is performed first, and then the sample is mounted, it may cause certain damage to the baseband section, and the macroscopic volume of the sample becomes larger after the sample is mounted, which is limited by the test conditions, which brings certain difficulties to the EBSD test.
In addition, the heat treatment during the mounting process will have a certain impact on the texture formation of the base tape.

Method used

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  • Method for preparing section sample used for analyzing evolution process of cubic texture
  • Method for preparing section sample used for analyzing evolution process of cubic texture
  • Method for preparing section sample used for analyzing evolution process of cubic texture

Examples

Experimental program
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Effect test

Embodiment example 1

[0019] Cut the cold-rolled Ni5at.%W alloy base strip with a total deformation of >99% and an average thickness of 80um into initial samples of 5mm*10mm (ND*RD) along the RD direction, and neatly cut the samples according to the RD direction In order to ensure the stability of the samples during the grinding and polishing process and the rational use of sandpaper during one grinding and polishing process, 8 samples were selected as a group and stacked neatly. Fixtures first (see figure 1 ) to clean and ensure that the inside of the fixture is clean and smooth, then put the neatly stacked samples into the fixture, apply force alternately and evenly on both sides, so as to ensure that the base belt will not tilt during the fixing process, and the height left outside the fixture should be be consistent, such as figure 2 shown. Mechanically polish the sample fixed on the fixture, and the sample passes through 200 # , 400 # , 600 # , 800 # , 1500 # After polishing with high-...

Embodiment example 2

[0021] Cut the cold-rolled Ni5at.%W alloy base strip with a total deformation of >99% and an average thickness of 72um into initial samples of 5mm*10mm (ND*RD) along the RD direction, and neatly cut the samples according to the RD direction In order to ensure the stability of the samples during the grinding and polishing process and the rational use of sandpaper during one grinding and polishing process, 8 samples were selected as a group and stacked neatly. Clean the jig first, and ensure that the inner side of the jig is clean and flat, then put the neatly stacked samples into the jig, and apply force alternately and evenly on both sides to ensure that the base belt will not tilt during the fixing process, and the parts left outside the jig The height should be consistent, such as figure 2 shown. Mechanically polish the sample fixed on the fixture, and the sample passes through 200 # , 400 # , 600 # , 800 # , 1500 # After polishing with high-quality water abrasive pap...

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Abstract

The invention relates to a method for preparing a section sample used for analyzing an evolution process of a cubic texture, belonging to the field of base bands of high-temperature superconductive coating conductors. The method comprises the following steps of: preparing 6-10 samples with ND-RD surfaces or / and samples with TD-RD surfaces by shearing cold-rolled alloy base bands with the total deformation amount of being more than 99% and the average thickness of 80-120 mum, stacking the samples together, fixing the samples through a fixture, keeping one surfaces reserved outside the fixture same in height and regular, after polishing and burnishing the surfaces through 200#, 400#, 600#, 800# and 1500# waterproof abrasive papers, mechanically polishing the surfaces by using carborundum polishing and burnishing paste, and inevitably carrying out ultrasonic cleaning for 5-10 min before carrying out polishing and burnishing through the next type abrasive paper; and taking out the samples, and cleaning the samples by using acetone, ethanol and water respectively.

Description

technical field [0001] The invention belongs to the baseband field of high-temperature superconducting coated conductors, and in particular relates to a cross-sectional sample preparation method for analyzing the cubic texture evolution process and its result characterization. Background technique [0002] With the research and development of high-temperature superconducting coated conductors, the preparation of ductile metal substrates with biaxial texture is the basis for obtaining high-performance coated superconducting wires. At present, the Ni5at.% alloy base band has been commercially produced, and a high cubic texture (>95%) can also be obtained in the high tungsten base band by controlling the process. Many research groups around the world have conducted extensive research and reports on the technical parameters of key links such as smelting process or powder metallurgy preparation process, cold rolling deformation, annealing process (temperature, time, atmosphere...

Claims

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Application Information

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IPC IPC(8): G01N1/32G01N1/34G01N23/203G01N23/22
Inventor 索红莉王营霞马麟刘敏王毅田辉王金华袁冬梅
Owner BEIJING UNIV OF TECH
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