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Microcrystalline glass, microcrystalline glass product and manufacturing method of microcrystalline glass product

A technology of glass-ceramics and products, applied in glass manufacturing equipment, manufacturing tools, glass tempering and other directions, can solve the problems of difficult to achieve mechanical properties and difficult chemical tempering.

Active Publication Date: 2021-04-06
CDGM OPTICAL GLASS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the glass-ceramics currently on the market are not easy to be chemically tempered, or the mechanical properties after chemical tempering are difficult to meet the requirements of the cover material.

Method used

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  • Microcrystalline glass, microcrystalline glass product and manufacturing method of microcrystalline glass product
  • Microcrystalline glass, microcrystalline glass product and manufacturing method of microcrystalline glass product
  • Microcrystalline glass, microcrystalline glass product and manufacturing method of microcrystalline glass product

Examples

Experimental program
Comparison scheme
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Embodiment

[0329] In order to further clearly illustrate and illustrate the technical solution of the present invention, the following non-limiting examples are provided. Efforts have been made to ensure accuracy with respect to values ​​(eg, amounts, temperature, etc.) in the embodiments of the invention, but some errors and deviations must be accounted for. The composition itself is given in weight % based on oxides and has been normalized to 100%.

[0330] Shown in the following Tables 1 to 3 are examples of glass compositions

[0331] Table 1.

[0332]

[0333]

[0334] Table 2.

[0335]

[0336] table 3.

[0337]

[0338]

[0339] Shown in following table 4~6 is glass-ceramic embodiment

[0340] Table 4.

[0341]

[0342]

[0343] table 5.

[0344]

[0345]

[0346] Table 6.

[0347]

[0348]

[0349] Shown in the following tables 7 to 9 are glass-ceramic product embodiments

[0350] Table 7.

[0351]

[0352]

[0353] Table 8.

[035...

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Abstract

The invention discloses microcrystalline glass, a microcrystalline glass product and a manufacturing method of the microcrystalline glass product. The main crystal phase of the microcrystalline glass contains lithium silicate and a quartz crystal phase, the haze of the microcrystalline glass with the thickness of 0.55 mm is 0.6% or below, and the microcrystalline glass comprises the following components in percentage by weight: 65-85% of SiO2; 1-15% of Al2O3; 5-15% of Li2O; 0.1-10% of ZrO2: ; 0.1-10% of P2O5; 0-10% of K2O; 0-10% of MgO; and 0-10% of ZnO. The microcrystalline glass and the microcrystalline glass product disclosed by the invention have the advantages of drop resistance, compression resistance and scratch resistance, and can meet the requirements of manufacturing cover plate materials on mechanical properties.

Description

[0001] This application is a divisional application for an invention patent application with the application number 201811264839.0, the application date is October 26, 2018, and the title is "glass-ceramic, glass-ceramic products and their manufacturing method". technical field [0002] The present invention relates to a glass-ceramic, a glass-ceramic product and a manufacturing method thereof. In particular, the invention relates to a glass-ceramic, a glass-ceramic product and a manufacturing method thereof having excellent mechanical properties suitable for electronic equipment or display equipment. Background technique [0003] Glass-ceramics is a material in which crystals are precipitated inside the glass by heat-treating the glass. Glass ceramics can have physical properties that cannot be obtained in glass due to crystals dispersed inside. For example, for mechanical strength such as Young's modulus and fracture toughness, etching properties for acidic or alkaline liq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/00C03B27/03C03B32/02
CPCC03C10/0009C03C10/00C03C10/0027C03B32/02C03B27/03C03C3/097C03C21/002Y02P40/57C03C10/0054
Inventor 于天来原保平刘振禹
Owner CDGM OPTICAL GLASS
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