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Reinforced daily ceramic manufacturing process

A manufacturing process and daily-use technology, applied in applications, clay products, household utensils, etc., can solve the problems of difficult molding, high requirements for kiln equipment, high firing temperature, etc., achieve uniform distribution of strengthening phases, and expand firing temperature Range, the effect of lowering the firing temperature

Inactive Publication Date: 2004-11-10
SHANGHAI UNIV
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Problems solved by technology

The disadvantage of this solution is that there are many colored oxides in kaolin, which will affect the whiteness of the product. If the amount of feldspar and corundum is too much, the blank process performance is poor and it is difficult to form.
Since corundum is an artificial raw material, the cost is high, and due to the introduction of corundum, the firing temperature of the product is high, the energy consumption is large, and the requirements for kiln equipment are high.
In addition, in the microstructure of high-alumina reinforced daily-use porcelain bodies at home and abroad, micron mullite and corundum grains are the main crystal phases, and the dispersion uniformity of the strengthening phase in the body is not high. quality also matters

Method used

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  • Reinforced daily ceramic manufacturing process
  • Reinforced daily ceramic manufacturing process
  • Reinforced daily ceramic manufacturing process

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specific Embodiment

[0038] Specific embodiments of the present invention are now described in the following:

[0039] The manufacturing process method of strengthening and strengthening daily-use porcelain of the present invention comprises the following steps:

[0040] A. Set the chemical formula of the oxide composition of the special daily-use porcelain body and enamel and the raw material formula of the porcelain body and enamel:

[0041] a. The oxide composition chemical formula and raw material formula of porcelain blank are:

[0042] a). The chemical formula of the oxide composition of the porcelain body is:

[0043]

[0044] b). The raw material formula (wt%) of the porcelain body:

[0045] Porcelain clay (produced in Yimen, Yunnan) 70

[0046] Kaolin (from Xuanwei) 9

[0047] Industrial alumina 21

[0048] Talc powder (produced in Guangxi) 2-3

[0049] Additive yttrium oxide 1-3%;

[0050] The chemical composition of each raw material of the porc...

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Abstract

The invention relates to a process for making reinforced diary porcelain by using porcelain clay as the principal raw material of the blank, the process comprises the steps of, charging into pre-treated super fine, talcum powder and porcelain clay oxidizing substance. The invention can be applied in producing high-grade reinforcement diary porcelain with high-intensity and good thermal stability containing nano Mullite-cordierite and corundum crystal particles.

Description

technical field [0001] The present invention relates to a manufacturing process for strengthening and strengthening daily-use porcelain. More specifically, the present invention relates to a method that uses china clay as the main raw material of the green body and adds other ingredients to make it contain nano-mullite crystal grains. And refining corundum grains to strengthen the manufacturing method of daily-use porcelain. The invention belongs to the technical field of ceramic chemical industry. Background technique [0002] Strengthened daily-use porcelain is a high-grade daily-use porcelain that is very popular in domestic and foreign markets. Its main features are the high impact strength and flexural strength of the material, and good thermal stability. Strengthened daily-use porcelain products are not easy to touch the edge of the break, and are suitable for high-temperature disinfection, mechanical washing and rapid heating of microwave ovens to heat food. Theref...

Claims

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Application Information

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IPC IPC(8): C04B33/02C04B33/24C04B33/34
Inventor 甄强曹家麟刘建强王以伟赵明华
Owner SHANGHAI UNIV
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