journal article·2015-03

Crack Initiation Tendency of Chemically Strengthened Glasses

Hidekatsu Morozumi, Hirotaka Nakano, Satoshi Yoshida, Jun Matsuoka

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Abstract

The relationship between crack initiation tendency before chemical strengthening and fracture strength of chemically strengthened glass was investigated. Four kinds of glass compositions were used in this study: soda‐lime silicate ( SLS ), aluminosilicate ( ALS ‐1, ALS ‐2), and aluminoborosilicate ( ALBS ) glasses. The fracture strength of sheet glass was measured by the four‐point bending test, the ring‐on‐ring test, the ball drop test, and the predamaged four‐point bending test. ALBS glass, which has the lowest crack formation probability before chemical strengthening, is more damage tolerant than other glasses, and one of the best candidates for chemical strengthening.
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Research context

OpenAlex topics: Structural Analysis of Composite Materials · Mechanical Behavior of Composites · Advanced ceramic materials synthesis

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Affiliations

Glass Development Group Ishizuka Glass Co., Ltd. Kawai‐cho 1880 Iwakura Aichi 482‐8510 Japan

Department of Materials Science The University of Shiga Prefecture Hassaka 2500 Hikone Shiga 522‐8533 Japan

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