High-hardness microcrystalline glass and making method thereof

A glass-ceramic and high-hardness technology, which is applied in the glass field, can solve the problems of glass-ceramics being easily scratched and low wear resistance, and achieve the effects of promoting crystallization, improving mechanical strength, and promoting glass crystallization

Inactive Publication Date: 2017-09-29
HEFEI LIYUTAI GLASS PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems that existing glass-ceramics are easily scratched and have low wear resistance, the object of the present invention is to provide a high-hardness glass-ceramics and a preparation method thereof. The advantages of high scratch and wear resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A high-hardness glass-ceramic, comprising the following raw materials in parts by weight: 75 parts of silicon dioxide, 17.5 parts of boric acid, 8 parts of sodium hydroxide, 3.5 parts of nano-zirconia, 2 parts of dilanthanum trioxide, 7.5 parts of calcium carbonate, 3 parts of sodium nitrate, 8 parts of boron oxide, 5 parts of sodium fluorosilicate and 8 parts of aluminum oxide.

[0023] The high-hardness glass-ceramics also includes 3.5 parts by weight of titanium dioxide, which can lower the crystallization temperature and promote crystallization.

[0024] The high-hardness glass-ceramic also includes 3 parts by weight of zinc oxide, which helps the melting of the glass and improves the mechanical strength, chemical stability and thermal stability of the high-hardness glass-ceramic.

[0025] The high-hardness glass-ceramics also includes 6 parts by weight of calcium oxide, which can adjust the viscosity of the glass and promote crystallization of the glass.

[0026] ...

Embodiment 2

[0033] A high-hardness glass-ceramic, comprising the following raw materials in parts by weight: 70 parts of silicon dioxide, 15 parts of boric acid, 6 parts of sodium hydroxide, 2 parts of nano zirconium dioxide, 1 part of lanthanum trioxide, 5 parts of calcium carbonate, 1 part of sodium nitrate, 6 parts of boron oxide, 4 parts of sodium fluorosilicate and 5 parts of aluminum oxide.

[0034] The high-hardness glass-ceramics also includes 2 parts by weight of titanium dioxide, which can lower the crystallization temperature and promote crystallization.

[0035] The high-hardness glass-ceramics also includes 2 parts by weight of zinc oxide, which helps the melting of the glass and improves the mechanical strength, chemical stability and thermal stability of the high-hardness glass-ceramics.

[0036] The high-hardness glass-ceramics also includes 5 parts by weight of calcium oxide, which can adjust the viscosity of the glass and promote the crystallization of the glass.

[003...

Embodiment 3

[0044] A high-hardness glass-ceramic, comprising the following raw materials in parts by weight: 80 parts of silicon dioxide, 20 parts of boric acid, 10 parts of sodium hydroxide, 5 parts of nano zirconium dioxide, 3 parts of lanthanum trioxide, 10 parts of calcium carbonate, 5 parts of sodium nitrate, 10 parts of boron oxide, 6 parts of sodium fluorosilicate and 11 parts of aluminum oxide.

[0045] The high-hardness glass-ceramics also includes 5 parts by weight of titanium dioxide, which can lower the crystallization temperature and promote crystallization.

[0046] The high-hardness glass-ceramics also includes 4 parts by weight of zinc oxide, which helps the melting of the glass and improves the mechanical strength, chemical stability and thermal stability of the high-hardness glass-ceramics.

[0047] The high-hardness glass-ceramic also includes 7 parts by weight of calcium oxide, which can adjust the viscosity of the glass and promote crystallization of the glass.

[00...

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PUM

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Abstract

The invention provides a high-hardness microcrystalline glass and a making method thereof, and relates to the field of glasses. The high-hardness microcrystalline glass comprises, by weight, 70-80 parts of potassium-containing silica, 15-20 parts of boric acid, 6-10 parts of sodium hydroxide, 2-5 parts of nanometer zirconium dioxide, 1-3 parts of lanthanum trioxide, 5-10 parts of calcium carbonate, 1-5 parts of sodium nitrate, 6-10 parts of boron oxide, 4-6 parts of sodium fluosilicate and 5-11 parts of alumina. The preparation method comprises the following steps: 1, weighing of the above raw materials; 2, heating; and 3, mold forming, and annealing. The problems of easy scratching and low wear resistance of existing microcrystalline glasses are solved in the invention.

Description

technical field [0001] The invention belongs to the field of glass, and in particular relates to a high-hardness glass-ceramic and a preparation method thereof. Background technique [0002] The glass-ceramic on the market has a glossiness greater than 90, and has the advantages of flat and clean surface, clear and elegant texture, soft and crystal-clear luster, and brilliant colors. Due to the high gloss on the surface of glass-ceramic, it is easier to show scratches than polished tiles, and the Mohs hardness of glass-ceramic can only reach level 6, so glass-ceramic is easy to be scratched and wear-resistant. Low, this shortcoming limits the application of glass-ceramic to a great extent, for example, ordinary glass-ceramic is not suitable for paving the ground in a large area. Contents of the invention [0003] In order to solve the problems that existing glass-ceramics are easily scratched and have low wear resistance, the object of the present invention is to provide ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/00C03B25/00
CPCC03C10/0036C03B25/00
Inventor 武娟
Owner HEFEI LIYUTAI GLASS PROD CO LTD
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