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Composite ceramic with high strength and good wear resistance and preparation method thereof

A technology of composite ceramics and wear resistance, applied in the field of composite ceramics, can solve the problems of high product cost, high price, unfavorable application, etc., and achieve the effect of meeting the needs of use, good mechanical strength and wear resistance, and reducing costs

Inactive Publication Date: 2018-06-19
梁子越
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Composite ceramics is a type of composite material that is made of ceramics and ceramics or other materials. It can improve various shortcomings of existing ceramics. Metal ceramics are one of them. The existing metal ceramics are mainly concentrated on tungsten carbide. It is tungsten carbide and other metal powders, but the resources of tungsten are limited and the price is high. Using a large amount of tungsten carbide will make the cost of the product higher, which is not conducive to people's application

Method used

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  • Composite ceramic with high strength and good wear resistance and preparation method thereof
  • Composite ceramic with high strength and good wear resistance and preparation method thereof

Examples

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Embodiment 1

[0018] A composite ceramic with high strength and good wear resistance, including the following raw materials in parts by weight: 10 parts of silicon nitride, 15 parts of stainless steel powder, 18 parts of zirconium dioxide, 10 parts of aluminum oxide, 1.6 parts of boron nitride, polyvinyl alcohol 5 parts, clay ore 25 parts, barium titanate 8 parts, paraffin wax 1.6 parts, polyethylene elastomer 6 parts, cobalt oxide 2 parts, carbon black 0.6 parts and dextran 5 parts. The molecular weight of polyethylene elastomer is 26000-32500.

[0019] The preparation method of the composite ceramic with high strength and good wear resistance, the specific steps are as follows:

[0020] In step 1, aluminum oxide, silicon nitride, zirconium dioxide, cobalt oxide and boron nitride were ball-milled for 13 hours using absolute ethanol as the ball-milling medium, and then 0.4 times the total weight of deionized water was added to prepare a slurry, and then added to the slurry Introduce carbon...

Embodiment 2

[0025] A composite ceramic with high strength and good wear resistance, including the following raw materials in parts by weight: 12 parts of silicon nitride, 19 parts of stainless steel powder, 22 parts of zirconium dioxide, 12.5 parts of aluminum oxide, 3.2 parts of boron nitride, polyvinyl alcohol 7.5 parts, clay ore 28 parts, barium titanate 10 parts, paraffin wax 2.4 parts, polyethylene elastomer 9 parts, cobalt oxide 3.2 parts, carbon black 1.4 parts and dextran 6 parts. The clay ore is a mixture of diatomite, sepiolite and halloysite, and the carbon black is carbon black 330.

[0026] The preparation method of the composite ceramic with high strength and good wear resistance, the specific steps are as follows:

[0027] In step 1, aluminum oxide, silicon nitride, zirconium dioxide, cobalt oxide and boron nitride are ball-milled for 15 hours using absolute ethanol as the ball-milling medium, and then 0.6 times the total weight of deionized water is added to prepare a slur...

Embodiment 3

[0032] A composite ceramic with high strength and good wear resistance, including the following raw materials in parts by weight: 15 parts of silicon nitride, 21 parts of stainless steel powder, 23 parts of zirconium dioxide, 12.8 parts of aluminum oxide, 3.2 parts of boron nitride, polyvinyl alcohol 8 parts, clay ore 30 parts, barium titanate 11 parts, paraffin wax 2.8 parts, polyethylene elastomer 11.7 parts, cobalt oxide 3.5 parts, carbon black 2 parts and dextran 7.5 parts. The molecular weight of polyethylene elastomer is 26000-32500.

[0033] The preparation method of the composite ceramic with high strength and good wear resistance, the specific steps are as follows:

[0034] In step 1, aluminum oxide, silicon nitride, zirconium dioxide, cobalt oxide and boron nitride were ball-milled for 14 hours using absolute ethanol as the ball-milling medium, and then 0.6 times the total weight of deionized water was added to prepare a slurry, and the slurry was added to the slurry...

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Abstract

The invention discloses composite ceramic with high strength and good wear resistance and a preparation method thereof. The composite ceramic comprises the following raw materials of, by weight, 10-16parts of silicon nitride, 15-23 parts of stainless steel powder, 18-25 parts of zirconium dioxide, 10-14 parts of aluminum oxide, 1.6-4 parts of boron nitride, 5-9 parts of polyvinyl alcohol, 25-33 parts of clay mineral, 8-12 parts of barium titanate, 1.6-3.5 parts of paraffin, 6-13 parts of a polyethylene elastomer, 2-4 parts of cobalt oxide, 0.6-2.4 parts of carbon black, and 5-8 parts of glucan. According to the composite ceramic, the silicon nitride, the zirconium dioxide and the like are taken as main raw materials, and a tungsten raw material is not used, so that the cost is reduced; and a prepared composite ceramic product has good mechanical strength and wear resistance, and use requirements of people are met.

Description

technical field [0001] The invention relates to the field of composite ceramics, in particular to a composite ceramic with high strength and good wear resistance. Background technique [0002] The utensils fired with clay are called pottery, and the utensils fired with china clay are called porcelain. Ceramics is the general term for pottery, stoneware and porcelain. The ancients called ceramics Ou. Any utensils made of two different types of clay, pottery clay and porcelain clay, as raw materials, through batching, molding, drying, roasting and other processes can be called ceramics. The development history of ceramics is an important part of the history of Chinese civilization. As one of the four ancient civilizations, China has made outstanding contributions to the progress and development of human society. Among them, the invention and development of ceramics has unique significance. Ceramics from all dynasties and dynasties in Chinese history have different artistic s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C29/00
Inventor 梁子越
Owner 梁子越
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