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Electro-technical ceramic with high temperature resistance and preparation method of electro-technical ceramic

An electrical ceramics and high temperature resistant technology, applied in the field of high temperature resistant electrical ceramics and its preparation, can solve the problems of poor high temperature resistance, cumbersome preparation process, low mechanical strength, etc., and achieves high insulation resistance, simple and convenient preparation, and elongation at break. high rate effect

Inactive Publication Date: 2017-09-19
HEFEI ZEJUN ELECTRICAL EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the development of electronic information is getting faster and faster, and the requirements for electronic components are getting higher and higher. Miniaturization, thin film, multi-function, etc. have become the direction of future development. However, the current electronic ceramic materials have poor high temperature resistance and mechanical strength. Low cost, high cost, cumbersome preparation process and other shortcomings, cannot meet the requirements of the market and the actual production process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of high temperature resistant electrical ceramics, the following raw materials are weighed: 30kg of titanium dioxide, 10kg of zirconium silicate, 8kg of calcium oxide, 4kg of tungsten oxide, 1kg of holmium nitride, 1kg of niobium strontium barium oxide, 3-hydroxy-3-methyl-2- Butanone 6kg, antimony potassium tartrate 8kg, cerium oxide 3kg, silicon carbide 5kg, calcium stannate 2kg, magnesium titanate 3kg, modified diatom powder 15kg;

[0026] The above-mentioned modified diatom powder is prepared from the following components: 40kg of diatomite, 20kg of 8% sodium hydroxide solution, 5kg of rosin powder, and 3kg of carboxymethyl cellulose; the preparation method is to put the diatomite into After soaking in 8% sodium hydroxide solution for 2 hours, adjust the pH to neutral; then take out the diatomite after the above treatment, dry it at 42°C until the water content is 3%, then add rosin powder and mix well; Finally, carboxymethyl cellulose was added and mixed even...

Embodiment 2

[0034] A kind of high temperature resistant electrical ceramics, the following raw materials are weighed: 40kg of titanium dioxide, 15kg of zirconium silicate, 10kg of calcium oxide, 6kg of tungsten oxide, 3kg of holmium nitride, 2kg of niobium strontium barium oxide, 3-hydroxy-3-methyl-2- Butanone 8kg, antimony potassium tartrate 10kg, cerium oxide 5kg, silicon carbide 10kg, calcium stannate 4kg, magnesium titanate 4kg, modified diatom powder 20kg;

[0035] The above-mentioned modified diatom powder is prepared from the following ingredients: 40kg of diatomite, 20kg of 10% sodium hydroxide solution, 5kg of rosin powder, and 3kg of carboxymethyl cellulose; the preparation method is to put the diatomite into The volume concentration is 10% sodium hydroxide solution soaked for 3 hours, then adjust the pH to neutral; then take out the diatomite after the above treatment, dry at 45°C until the water content is 4%, then add rosin powder and mix well; Finally, carboxymethyl cellulos...

Embodiment 3

[0043] A kind of high temperature resistant electrical ceramics, the following raw materials are weighed: 50kg of titanium dioxide, 20kg of zirconium silicate, 12kg of calcium oxide, 8kg of tungsten oxide, 5kg of holmium nitride, 3kg of niobium strontium barium oxide, 3-hydroxy-3-methyl-2- Butanone 10kg, antimony potassium tartrate 12kg, cerium oxide 7kg, silicon carbide 15kg, calcium stannate 6kg, magnesium titanate 5kg, modified diatom powder 25kg;

[0044]The above-mentioned modified diatom powder is prepared from the following components: 40kg of diatomite, 20kg of 12% sodium hydroxide solution, 5kg of rosin powder, and 3kg of carboxymethyl cellulose; the preparation method is to put the diatomite into The volume concentration is 12% sodium hydroxide solution soaked for 4 hours, then adjust the pH to neutral; then take out the diatomite after the above treatment, dry at 48°C until the water content is 5%, then add rosin powder and mix well; Finally, carboxymethyl cellulose...

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Abstract

The invention discloses an electro-technical ceramic with high temperature resistance and a preparation method of the electro-technical ceramic and relates to the field of electro-technical ceramic preparation. The electro-technical ceramic comprises raw materials as follows: titanium dioxide, zirconium silicate, calcium oxide, tungsten oxide, holmium nitride, barium strontium niobium oxide, 3-hydroxy-3-methyl-2-butanone, antimony potassium tartrate, cerium oxide, silicon carbide, calcium stannate, magnesium titanate and modified diatom powder. The preparation method of the electro-technical ceramic comprises steps as follows: powder is prepared from the raw materials firstly; the powder is mixed with water uniformly, and high-fluidity slurry is obtained; the slurry is injected into a mold, cured, demolded and dried, and a biscuit is obtained; finally, the biscuit is heated and sintered. The electro-technical ceramic is resistant to high temperature and corrosion, has good mechanical property, is high in compression resistance and breaking strength, long in service life, wide in application field and simple to prepare and has broad market prospect.

Description

technical field [0001] The invention relates to the field of manufacturing electrical ceramics, in particular to a high-temperature-resistant electrical ceramic and a preparation method thereof. Background technique [0002] Electrical ceramic materials mainly refer to a class of ceramics with electromagnetic and other functions. Its dielectric properties and electrical conductivity can be adjusted in a wide range. It is one of the most dynamic materials among special ceramic materials and has attracted widespread attention. It can be applied in many fields such as electronics, communication, automatic control, information computer, automobile, aviation, etc., and has significant social and economic benefits. At present, the development of electronic information is getting faster and faster, and the requirements for electronic components are getting higher and higher. Miniaturization, thin film, multi-function, etc. have become the direction of future development. However, t...

Claims

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Application Information

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IPC IPC(8): C04B35/46C04B35/622C04B35/63C04B35/632
CPCC04B35/46C04B35/622C04B35/6303C04B35/6325C04B2235/3208C04B2235/3213C04B2235/3215C04B2235/3232C04B2235/3253C04B2235/3258C04B2235/3293C04B2235/3418C04B2235/3427C04B2235/3826C04B2235/3852C04B2235/96
Inventor 徐仙峰
Owner HEFEI ZEJUN ELECTRICAL EQUIP CO LTD
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