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Treatment process of alumina ceramic wafers

A technology of alumina ceramics and processing technology, applied in chemical instruments and methods, cleaning methods and utensils, cleaning methods using liquids, etc. Small problems, to achieve the effect of light weight, extended equipment life, strong surface adsorption

Inactive Publication Date: 2016-05-04
孙英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hardness of the ceramic patch is ≥ HRA85, second only to the hardness of diamond, and the surface is smooth, the friction coefficient is small, and the wear resistance is very ideal, especially in the high temperature oxidizing medium or corrosive medium, the material of the ceramic patch has better performance than other metal materials. It is much superior. Ordinary ceramic sheets and rubber cannot be bonded together. After using glue, the bond is not firm, and the ceramic sheets need to be processed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A process for treating alumina ceramic sheets, the steps are as follows:

[0023] (1) Cleaning with distilled water: Place the ceramic piece in 100% pure water for cleaning and drying;

[0024] (2) Ketone washing: Soak the cleaned ceramic sheet in 10% acetone for half an hour and dry it;

[0025] (3) Alkaline cleaning: Soak the ketone-washed ceramic sheet in 20% sodium carbonate solution for half an hour and dry it.

Embodiment 2

[0027] A process for treating alumina ceramic sheets, the steps are as follows:

[0028] (1) Cleaning with distilled water: Place the ceramic piece in 100% pure water for cleaning and drying;

[0029] (2) Ketone washing: Soak the cleaned ceramic sheet in 15% acetone for half an hour and dry it;

[0030] (3) Alkaline cleaning: Soak the ketone-washed ceramic sheet in 25% sodium carbonate solution for half an hour and dry it.

Embodiment 3

[0032] A process for treating alumina ceramic sheets, the steps are as follows:

[0033] (1) Cleaning with distilled water: Place the ceramic piece in 100% pure water for cleaning and drying;

[0034] (2) Ketone washing: Soak the cleaned ceramic sheet in 20% acetone for half an hour and dry it;

[0035] (3) Alkaline cleaning: Soak the ketone-washed ceramic sheet in 30% sodium carbonate solution for half an hour and dry it.

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Abstract

A treatment process of alumina ceramic wafers comprises the following steps of (1) washing with distilled water: washing ceramic wafers with 100% pure water, and drying; (2) washing with acetone: soaking the washed ceramic wafers in 10-20% acetone, and drying; (3) alkali washing: soaking the ceramic wafers washed with the acetone in 20-30% sodium carbonate solution, and drying. The treatment process of the alumina ceramic wafers has the beneficial effects of being large in hardness, excellent in wear resistance, light in weight, strong in surface adhesive force (10-20 times of that of the untreated ceramic wafers), and firm and durable after being combined with rubber through glue.

Description

technical field [0001] The invention relates to the technical field of alumina ceramic sheet processing, in particular to an alumina ceramic sheet processing process. Background technique [0002] Alumina ceramics: high alumina content, relatively dense structure, and special properties, so it is called special ceramics. Al2O3. The ceramic material is a close-packed hexagonal structure composed of oxygen ions, and aluminum ions fill two-thirds of the octahedral gaps. This is the same stable α-Al2O3 structure as natural corundum, so the ceramic has a high melting point and high Hardness, with excellent wear resistance. The hardness of the ceramic patch is ≥ HRA85, second only to the hardness of diamond, and the surface is smooth, the friction coefficient is small, and the wear resistance is very ideal, especially in the high temperature oxidizing medium or corrosive medium, the material of the ceramic patch has better performance than other metal materials. It is much super...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/80B08B3/04B08B3/08
CPCC04B41/00B08B3/04B08B3/08C04B41/009C04B41/80C04B35/10
Inventor 孙英
Owner 孙英
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