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Ceramic glaze material with high-temperature resistance

A technology of high-temperature-resistant ceramics and ceramic glazes, which is applied in the field of ceramic products, can solve the problems of not having high-temperature resistance, and achieve the effects of enhanced flexural strength, strong wear resistance, and good glaze smoothness

Inactive Publication Date: 2018-04-06
广西壮族自治区黎塘工业瓷厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Now there is a lack of high temperature resistant ceramics on the market, and some patented glaze formulations do not have the effect of high temperature resistance

Method used

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  • Ceramic glaze material with high-temperature resistance
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  • Ceramic glaze material with high-temperature resistance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 7

[0026] Embodiment 7 A kind of high temperature resistant ceramic glaze

[0027] Preparation

[0028] Adopt the raw material formula of embodiment 1 to weigh raw materials; Grind the glaze, crush it, and pass through a 100-200 mesh sieve; add 1-1.5 times the water of the glaze weight to the ingredients; adopt the brushing process to brush the glaze slurry on Ceramic blanks are sent to the kiln for firing. The firing steps are divided into four stages: the first stage: the heating stage from room temperature to T1, with an average heating rate of 15-20°C / min; the second stage: the heating stage from T1 to T2, with an average heating rate of 10-15°C / minute ; The third stage: T2 heat preservation stage, the heat preservation time is 30-60 minutes; the fourth stage: the cooling stage from T2 to room temperature, natural cooling. The range of T1 is 700-750°C, and the range of T2 is 1200-1300°C.

Embodiment 8

[0029] Embodiment 8 A kind of preparation of high temperature resistant ceramic glaze

[0030] The raw material formula of Example 2 is used to prepare ceramic glaze, and the preparation method refers to Example 7.

Embodiment 9

[0031] Embodiment 9 Preparation of a high temperature resistant ceramic glaze

[0032] The raw material formula of Example 3 was used to prepare ceramic glaze, and the preparation method was referred to Example 7.

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Abstract

The invention provides a ceramic glaze material with high-temperature resistance. The ceramic glaze material is prepared from the following components in parts by weight: 10 to 15 parts of quartz, 8 to 15 parts of talcum, 10 to 18 parts of spodumene, 2 to 5 parts of Nd2O3, 1 to 3 parts of HfO2, 1 to 4 parts of AlN, 1 to 3 parts of WC, 1 to 3 parts of ZrSiO4 and 1 to 2 parts of La2O3. According tothe invention, Nd2O3, ZrSiO4 and La2O3 are added into a formula of the ceramic glaze material provided by the invention, so performances like bending strength, dilution expansion rate, crazing resistance and apparent porosity of ceramic are reinforced; meanwhile, thermal stability is strong, so large temperature difference changes do not cause cracking; and the ceramic glaze material has the advantages of strong high-temperature resistance, no toxicity, no pollution, good glaze smoothness and strong wear resistance.

Description

technical field [0001] The invention relates to the technical field of ceramic products, in particular to a high-temperature-resistant ceramic glaze. Background technique [0002] Ceramics are various products made of natural clay and various natural minerals as the main raw materials through crushing, kneading, molding and calcination. In the past, people called ceramics made of clay and fired at high temperature in special kilns. Ceramics is the general term for pottery and porcelain. The traditional concept of ceramics refers to all artificial industrial products that use inorganic non-metallic minerals such as clay as raw materials. It includes various products made of clay or a mixture containing clay through kneading, shaping, and calcination. It ranges from the roughest earthenware to the finest fine pottery and porcelain. Its main raw material is silicate minerals (such as clay, quartz, etc.) taken from nature, so it belongs to the category of "silicate industry" ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/00C04B41/86
CPCC03C8/00C04B41/5022C04B41/86
Inventor 杨茂林
Owner 广西壮族自治区黎塘工业瓷厂