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A kind of manufacturing method of high-strength glass

A manufacturing method and high-strength technology, applied in glass manufacturing equipment, glass tempering, manufacturing tools, etc., to achieve the effects of increased strength, low strength dispersion, and simple process

Active Publication Date: 2018-08-03
BAIMTEC MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there will still be microcracks after the glass is physically tempered or chemically strengthened. In addition, the damage of the glass mainly starts from the edge.

Method used

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  • A kind of manufacturing method of high-strength glass
  • A kind of manufacturing method of high-strength glass
  • A kind of manufacturing method of high-strength glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] 100×100×2mm float glass sample, the glass composition (wt.%) is as follows:

[0014] SiO 2

al 2 o 3

CaO

MgO

Na 2 o

K 2 o

72

0.5

6.9

3.7

16.4

0.5

[0015] The steps of preparing high-strength glass by adopting the technical solution of the present invention are as follows:

[0016] (1) Prepare polishing fluid. The polishing liquid contains abrasives, sodium bicarbonate, sodium hydroxide, sodium fluoride and deionized water. Wherein, the abrasive refers to a mixture of cerium oxide with a particle size of 300-350 nm and silicon carbide with a particle size of 250-300 nm. The content of cerium oxide in the polishing liquid is 25%, the content of silicon carbide is 8%, the content of sodium bicarbonate is 10%, the content of sodium hydroxide is 5%, the content of sodium fluoride is 1%, and the content of deionized water is 51 %. The pH value of the polishing solution is 8.1.

[0017] (2) Using the prepare...

Embodiment 2

[0024] 100×100×2mm float glass sample, the glass composition (wt.%) is as follows:

[0025] SiO 2

Al 2 o 3

CaO

MgO

Na 2 o

K 2 o

64

16

3

1

15.5

0.5

[0026] The steps of preparing high-strength glass by adopting the technical solution of the present invention are as follows:

[0027] (1) Prepare polishing fluid. The polishing liquid contains abrasives, sodium bicarbonate, sodium hydroxide, sodium fluoride and deionized water. Wherein, the abrasive refers to a mixture of cerium oxide with a particle size of 300-350 nm and silicon carbide with a particle size of 250-300 nm. The content of cerium oxide in the polishing liquid is 20%, the content of silicon carbide is 6%, the content of sodium bicarbonate is 12%, the content of sodium hydroxide is 10%, the content of sodium fluoride is 2%, and the content of deionized water is 50% %. The pH value of the polishing solution is 8.8.

[0028] (2) Using the prepared p...

Embodiment 3

[0035] 100×100×2mm float glass sample, the glass composition (wt.%) is as follows:

[0036] SiO 2

al 2 o 3

CaO

MgO

Na 2 o

K 2 o

64

16

3

1

15.5

0.5

[0037] The steps of preparing high-strength glass by adopting the technical solution of the present invention are as follows:

[0038] (1) Prepare polishing fluid. The polishing liquid contains abrasives, sodium bicarbonate, sodium hydroxide, sodium fluoride and deionized water. Wherein, the abrasive refers to a mixture of cerium oxide with a particle size of 300-350 nm and silicon carbide with a particle size of 250-300 nm. The content of cerium oxide in the polishing liquid is 20%, the content of silicon carbide is 10%, the content of sodium bicarbonate is 11%, the content of sodium hydroxide is 8%, the content of sodium fluoride is 5%, and the content of deionized water is 46%. %. The pH value of the polishing solution is 8.6.

[0039] (2) Using the prepared ...

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Abstract

The invention belongs to a glass manufacturing technology, and relates to a manufacturing method of high-strength glass. Efficient chemical mechanical polishing of the glass edge is realized by reasonably optimizing the proportion of a grinding material to other additives in a polishing solution. Moreover, the glass edge after chemical strengthening is finely polished by adopting a secondary polishing technology, so that the negative effects of part of incompletely exchanged ions after chemical strengthening on glass performance is overcome, and the strength of glass is further improved. The glass manufactured by adopting the method is high in strength, low in strength dispersity and simple in technology, and is suitable for industrial production.

Description

technical field [0001] The invention belongs to glass manufacturing technology, and relates to a manufacturing method of high-strength glass. Background technique [0002] It is well known that the theoretical strength of glass is much higher than its actual strength. The main reason is that there are a large number of microcracks on the surface and edge of the glass. When the glass is stressed, it is easy to generate stress concentration at the tip of the crack, which greatly reduces the strength of the glass. In order to solve this problem, researchers have invented many methods to improve the strength of glass. At present, the commonly used commercial methods mainly include physical tempering method and chemical strengthening method. However, there will still be microcracks after the glass is physically tempered or chemically strengthened. In addition, the damage of the glass mainly starts from the edge. Therefore, reducing glass edge defects is an effective way to impr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B27/02C09G1/02B24B9/08
CPCB24B9/08C03B27/02C09G1/02
Inventor 姜良宝颜悦李晓宇厉蕾郭新涛
Owner BAIMTEC MATERIAL CO LTD
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