Dependence of the particle emission during the fracture of silica glass on its mechanical property

Tadashi Shiota, Kouichi Yasuda, Yohtaro Matsuo

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The emission intensities of photons, negative and positive charges during the fracture of silica glass and its bending strength were measured to investigate a dependence of such particle emission on the mechanical property. The emission intensities of these particles were sharply increased and showed peaks at the moment of the fracture. In the negative and positive charge emissions, there was no clear correlation between the bending strength and the peak emission intensity. In contrast, there was a positive correlation between them in both of the UV/VIS (160 to 650 nm) and IR (640 to 850 nm) photon emissions. Moreover, the ratio of the UV/VIS photon emission intensity to the IR increased with the bending strength. The result in this study suggests that crack propagation behavior as well as the released energy at the fracture would influence the photon emission during the fracture of silica glass.

Original languageEnglish
Article number072041
JournalJournal of Physics: Conference Series
Volume100
Issue numberPART 7
DOIs
Publication statusPublished - Mar 1 2008
Externally publishedYes

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particle emission
silica glass
mechanical properties
flexural strength
photons
crack propagation
moments

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Dependence of the particle emission during the fracture of silica glass on its mechanical property. / Shiota, Tadashi; Yasuda, Kouichi; Matsuo, Yohtaro.

In: Journal of Physics: Conference Series, Vol. 100, No. PART 7, 072041, 01.03.2008.

Research output: Contribution to journalArticle

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