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Alumina ceramic wafer treatment technique

A kind of technology of alumina ceramics and processing technology, which is applied in the direction of chemical instruments and methods, cleaning methods and utensils, and cleaning methods using liquids, etc., which can solve the problem of weak bonding, smooth surface with small friction coefficient, and inability to stick ceramic sheets to rubber. No knots and other problems, to achieve the effect of prolonging the service life of the equipment, strong surface adsorption, and light weight

Inactive Publication Date: 2016-05-18
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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 50% acetone for half an hour and dry it;

[0025] (3) Alkaline cleaning: Soak the ketone-washed ceramic sheet in 80% 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 55% acetone for half an hour and dry it;

[0030] (3) Alkaline cleaning: Soak the ketone-washed ceramic sheet in 85% 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 60% acetone for half an hour and dry it;

[0035] (3) Alkaline cleaning: Soak the ketone-washed ceramic sheet in 90% sodium carbonate solution for half an hour and dry it.

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Abstract

The invention relates to an alumina ceramic wafer treatment technique which comprises the following steps: (1) distilled water washing: washing a ceramic wafer in 100% pure water, and drying; (2) ketone washing: immersing the cleaned ceramic wafer in 50-60% acetone, and drying; and (3) alkali washing: immersing the ceramic wafer subjected to ketone washing in an 80-90% sodium carbonate solution, and drying. The alumina ceramic wafer treated by the technique has the advantages of high hardness, excellent wear resistance, light weight and high surface adsorptivity (the surface adsorptivity is 10-20 times of that of the untreated ceramic wafer), and is very firm and durable after being combined with glue and rubber.

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. Al 2 o 3 The ceramic material is a close-packed hexagonal structure composed of oxygen ions, and aluminum ions fill two-thirds of the octahedral gaps, which is the same stable α-Al as natural corundum. 2 o 3 Structure, so ceramics have high melting point, high hardness, and 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 sup...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/80B08B3/04B08B3/08
CPCC04B41/00B08B3/04B08B3/08C04B41/009C04B41/80
Inventor 解全义
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