Effect of Stress Fields on Acoustic Emission during Delayed Fracture of Glass

Yoshiaki Akematsu; Takayuki Tani; Hiromitsu Gotho

doi:10.4028/www.scientific.net/KEM.853.157

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 853Effect of Stress Fields on Acoustic Emission...

Effect of Stress Fields on Acoustic Emission during Delayed Fracture of Glass

Abstract:

We investigated the effects of the stress field on acoustic emission (AE) during delayed fracture of glass. Delay fracture occurrence was controlled by the Vickers indentation load and kind of glass. Delayed fractures of glass were monitored by an AE method. After the Vickers hardness test, the glass surface was observed and its condition was compared with the AE signals. Characteristic AE signals were identified, and it was shown that the AE method is effective in measurements on the delayed fracture of glass.

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Periodical:

Key Engineering Materials (Volume 853)

Pages:

157-161

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.853.157

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Online since:

July 2020

Authors:

Yoshiaki Akematsu*, Takayuki Tani, Hiromitsu Gotho

Keywords:

Acoustic Emission, Delayed Fracture, Glass Fracture, Stress Field, Tempered Glass

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