Method for preparing corundum-mullite saggers

A technology of mullite and fused mullite, applied in the field of preparation of corundum mullite saggar, can solve the problems of poor thermal vibration and corrosion resistance, increase production cost of enterprises, short service life, etc. The effect of high temperature, increased strength, and improved thermal shock resistance

Inactive Publication Date: 2018-01-23
浙江招通高温材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The 95 porcelain saggers commonly used in the manufacturing process of electronic components have the following defects:

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for preparing a corundum mullite sagger, comprising the following steps:

[0025] 1) Prepare raw materials: 8 parts of fused mullite with 5-3mm particles, 7 parts of fused mullite with 3-1mm particles, 5 parts of fused mullite with particles smaller than 1mm, fused mullite with 3-1mm particles 11 parts of fused white corundum, 7 parts of fused white corundum with particles smaller than 1mm, 6 parts of andalusite with particles of 3-1mm, 4 parts of andalusite with particles smaller than 1mm, 9 parts of sillimanite smaller than 200 mesh, α-Al 2 o 3 5 parts of fine powder, 5 parts of silica powder, 8 parts of clay powder, 21 parts of alumina with 5-3mm particles, 4 parts of binder;

[0026] 2) Preparation of mud material: First, fused mullite with 5-3mm particles, fused mullite with 3-1mm particles, fused white corundum with 3-1mm particles, andalusite with 3-1mm particles, 5- Put all the 3mm particles of bauxite into the planetary mixer and grind for 20-30 minu...

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PUM

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Abstract

The invention discloses a method for preparing corundum-mullite saggers. The method includes 1), preparing raw materials; 2), preparing pug; 3), carrying out forming and drying; 4), carrying out sintering. The method has the advantages that the corundum-mullite saggers prepared by the aid of the method are excellent in strength, high in applicable temperature and long in service life and are corrosion-resistant, and the problems in the prior art can be effectively solved.

Description

technical field [0001] The invention relates to the field of refractory materials, in particular to a method for preparing a corundum mullite sagger. Background technique [0002] The electronic component manufacturing industry is the main component of the electronic component industry and the basic support industry of the electronic information industry. Its technical level and production capacity directly affect the development of the entire industry. Since the 1990s, my country's electronic components manufacturing industry has developed rapidly and achieved remarkable results, and has become an important basis for supporting the development of my country's electronic information industry. At present, there are thousands of domestic electronic components manufacturers, tens of thousands of closely related upstream and downstream enterprises, and the total output value accounts for about 20% of the electronic information industry. [0003] The 95 porcelain saggers commonl...

Claims

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Application Information

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IPC IPC(8): C04B35/66C04B35/185C04B35/101C04B35/63
Inventor 沈雍沈川朱文秋
Owner 浙江招通高温材料有限公司
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