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High-silicon ceramic with quartz as base material and preparation method

A technology of matrix material and high-silicon ceramics, applied in the field of daily ceramics, can solve the problems of high weight, high cost, increased cost and difficulty, etc., to improve thermal stability, prevent product deformation, and solve the effects of frying porcelain defects.

Inactive Publication Date: 2018-12-28
HUNAN HUALIAN CHINA IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the above patents, pure alumina and magnesia are used as auxiliary raw materials, and the components used in t

Method used

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  • High-silicon ceramic with quartz as base material and preparation method
  • High-silicon ceramic with quartz as base material and preparation method
  • High-silicon ceramic with quartz as base material and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Components and content in the formula of the present invention are:

[0043]

[0044] The high-quality Guizhou soil is a kind of kaolin.

[0045] The mineralizer contains 10-20% by weight of calcium oxide and 10-20% by weight of magnesium oxide.

[0046] Described glue comprises polyvinyl alcohol, gum arabic and cellulose, and the weight ratio of described polyvinyl alcohol, gum arabic and cellulose is 0.6:0.5:0.4.

[0047] Accurately formulate the weight of each raw material in the above formula, make mud sticks according to the above mud making method, shape the green body, apply glaze, put it in a kiln at 1380°C for 15 hours and fire it, and test the water absorption and thermal stability of the obtained high-silicon ceramic products as follows:

[0048] Water absorption test:

[0049]

[0050] Thermal Stability Test:

[0051] Sample serial number

Embodiment 2

[0053] Components and content in the formula of the present invention are:

[0054]

[0055] The high-quality Guizhou soil is a kind of kaolin.

[0056] The mineralizer contains 10-20% by weight of calcium oxide and 10-20% by weight of magnesium oxide.

[0057] Described glue comprises polyvinyl alcohol, gum arabic and cellulose, and the weight ratio of described polyvinyl alcohol, gum arabic and cellulose is 0.7:0.2:0.1.

[0058] Accurately formulate the weight of each raw material in the above formula, make mud sticks according to the mud making method above, shape the green body, apply glaze, put it in a kiln at 1370°C for 15.5 hours and fire it, and test the water absorption and thermal stability of the obtained high-silicon ceramic products as follows:

[0059] Water absorption test:

[0060]

[0061] Thermal Stability Test:

[0062] Sample serial number

Embodiment 3

[0064] Components and content in the formula of the present invention are:

[0065]

[0066] The mineralizer contains 10-20% by weight of calcium oxide and 10-20% by weight of magnesium oxide.

[0067] Described glue comprises polyvinyl alcohol, gum arabic and cellulose, and the weight ratio of described polyvinyl alcohol, gum arabic and cellulose is 0.2:0.6:0.2.

[0068] Accurately formulate the weight of each raw material in the above formula, make mud strips according to the mud making method above, shape the green body, apply glaze, and put it in a kiln at 1360°C for 16 hours for firing. The water absorption test and thermal stability test of the obtained high-silicon ceramic products as follows:

[0069] Water absorption test:

[0070]

[0071] Thermal Stability Test:

[0072] Sample serial number

[0073] The present invention is based on the national standard (GB / T3532-2009) for testing the thermal shock resistance of daily-use ceramics in my country...

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Abstract

The invention belongs to the technical field of ceramics for daily use, and particularly relates to a high-silicon ceramic with quartz as a base material and a preparation method. A product comprisescomponents in percentage by weight as follows: 84%-88% of silica, 7%-11% of alumina, 3%-3.5% of potassium oxide, 0.5%-1.0% of sodium oxide, 0.3%-0.4% of calcium oxide, 0.07%-0.11% of iron oxide and 0.2%-0.3% of magnesium oxide; the high-silicon ceramic with quartz as the base material has density being 2.5-2.55 g/cm<3> and breaking strength being 120-140 Mpa, and whiteness of a porcelain body is not lower than 80. The defect of ceramic burst of a product is overcome, and heat stability of the product is improved.

Description

technical field [0001] The invention belongs to the technical field of daily-use ceramics, and in particular relates to a high-silicon ceramic with quartz as a base material and a preparation method thereof. Background technique [0002] At present, the daily-use porcelain produced in our country is mainly feldspar porcelain, bone ash china, magnesia porcelain, etc. Afterwards, the formulas of various types of porcelain are fused with each other to complement each other, and then feldspar bone china and feldspar magnesia porcelain are produced. kind. And the common point in these porcelain kind all is to form with the feldspar of 20~30%, the plastic clay or kaolin of 40~60%, the quartz below 15%. Wherein, the consumption of plastic clay or kaolin as the main raw material is relatively large. Therefore, it is necessary to develop non-aluminosilicate daily-use ceramic material systems, change the current dependence of daily-use ceramic production on clay, and find cheap and ...

Claims

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Application Information

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IPC IPC(8): C04B35/14C04B35/622C04B35/626
CPCC04B35/14C04B35/622C04B35/62605C04B2235/77C04B2235/9646C04B2235/96C04B2235/3206C04B2235/3208C04B2235/349C04B2235/3463
Inventor 麦潮棠
Owner HUNAN HUALIAN CHINA IND
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