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Plate-shaped chemically tempered glass product and preparation method thereof

A technology of glass products and chemical toughening, which is applied in the field of preparing such chemically toughened glass products, and can solve the problems of poor drop strength and the like

Pending Publication Date: 2021-02-05
SCHOTT AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Good values ​​are achieved here; however, it has been shown that the set drop strength is significantly worse at coarser grain sizes corresponding to rough ground

Method used

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  • Plate-shaped chemically tempered glass product and preparation method thereof
  • Plate-shaped chemically tempered glass product and preparation method thereof
  • Plate-shaped chemically tempered glass product and preparation method thereof

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Embodiment Construction

[0146] figure 1 Shown is the relationship between stored tensile stress and aggregate drop strength results when using abrasive paper of grit #60. It is shown here that this intensity, given as the mean value of the drop heights in centimeters for 15 samples, differs from the collective drop intensity shown, for example, in the applicant's own application number DE 10 2018 124 785, The set drop strength varies with the stored tensile stress (this is abbreviated within the scope of this disclosure as TS / d, where "TS" stands for "tensile stress" and "d" represents the thickness of the glass article, where the stored tensile stress The unit is MPa) increases with the increase.

[0147] However this is not absolutely applicable, but only if objects with smaller radii of curvature do not penetrate the DoL. Instead, it has been shown that the described relationship between the stored tensile stress and the set drop strength correlates to the minimum DoL condition. Also as alread...

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Abstract

The invention relates to a plate-like, chemically tempered glass article and to a method for producing such a chemically tempered glass article.

Description

technical field [0001] The present invention relates to sheet-like, chemically toughened glass articles and a method for producing such chemically toughened glass articles. Background technique [0002] Known chemically toughenable glasses and / or chemically toughenable or chemically toughened glass articles and / or processes for producing such articles are described, for example, in the following patent: US Pat. No. 9,593,42 B2 is the patent family of US 2019 / 0016632 A1 of its patent family patent family, the patent family of US 2018 / 0057401 A1 with the authorized US patent US10,294,151 B2 as its family patent, and the authorized US patent US 10,259,746 B2 The patent family of US 2018 / 0029932 A1, the patent family of its patent family, the patent family of US 2017 / 0166478 A1, US9,908,811 B2, the authorized US patent US 9,908,811 B2, and the authorized US patent of US 9,908,811 B2 The patent US 10,239,784 B2 is the patent family of US 2016 / 0122240 A1, which has the authorized...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C3/091C03C3/083C03C3/085C03C3/087C03C3/093C03C3/097C03C21/00
CPCC03C3/091C03C3/083C03C3/097C03C3/093C03C3/085C03C3/087C03C21/002C03C23/007C03C4/18C03C2204/00
Inventor R·迪特里希J·韦斯霍恩J·德约杰维奇瑞斯
Owner SCHOTT AG