Time-resolved measurement of photon emission during fast crack propagation in three-point bending fracture of silica glass and soda lime glass

Tadashi Shiota, Yoshitaka Sato, Kouichi Yasuda

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Simultaneous time-resolved measurements of photon emission (PE) and fast crack propagation upon bending fracture were conducted in silica glass and soda lime glass. Observation of fracture surfaces revealed that macroscopic crack propagation behavior was similar between the silica glass and soda lime glass when fracture loads for these specimens were comparable and cracks propagated without branching. However, a large difference in the PE characteristics was found between the two glasses. In silica glass, PE (645-655 nm) was observed during the entire crack propagation process, whereas intense PE (430-490 nm and 500-600 nm) was observed during the initial stages of propagation. In contrast, only weak PE was detected in soda lime glass. These results show that there is a large difference in the atomic processes involved in fast crack propagation between these glasses, and that PE can be used to study brittle fracture on the atomic scale.

Original languageEnglish
Article number101912
JournalApplied Physics Letters
Volume104
Issue number10
DOIs
Publication statusPublished - Mar 10 2014
Externally publishedYes

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silica glass
calcium oxides
crack propagation
time measurement
glass
photons
cracks
propagation

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Time-resolved measurement of photon emission during fast crack propagation in three-point bending fracture of silica glass and soda lime glass. / Shiota, Tadashi; Sato, Yoshitaka; Yasuda, Kouichi.

In: Applied Physics Letters, Vol. 104, No. 10, 101912, 10.03.2014.

Research output: Contribution to journalArticle

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