Study on crack propagation behavior in a quenched glass plate

Kenichi Sakaue, S. Yoneyama, M. Takashi

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Crack pattern transition and crack propagation behavior in a quenched glass plate are investigated. Theoretical analysis indicates that the distance between the crack tip and the cold front is closely related to the crack pattern transition. This theoretical result is examined experimentally using instantaneous phase-stepping photoelasticity. As expected theoretically, when the crack tip remains close enough to the cold front, crack propagation remains straight. When this distance reaches a given value, the crack oscillates. These experimental results are in good agreement with the theory of crack pattern transition. Therefore, present theoretical analysis is valid in predicting the instability of crack propagation. The crack tip stress field is also examined by the present experimental method. In particular, in the oscillating regime, the mode-I stress intensity factor frequently becomes larger than the fracture toughness, and the mode-II stress intensity factor has a nonzero value during propagation. For the former result, some reasons are discussed, but the cause of this problem is still unknown. However, the latter result can be explained by the theoretical analysis of an infinitesimal kinked edge crack just after crack initiation.

Original languageEnglish
Pages (from-to)2011-2024
Number of pages14
JournalEngineering Fracture Mechanics
Volume76
Issue number13
DOIs
Publication statusPublished - 2009 Sep
Externally publishedYes

Fingerprint

Crack propagation
Cracks
Glass
Crack tips
Stress intensity factors
Photoelasticity
Crack initiation
Fracture toughness

Keywords

  • Fracture mechanics
  • Instantaneous phase-stepping method
  • Mixed-mode
  • Oscillating crack
  • Photoelasticity
  • Quasi-static crack
  • Stress intensity factor
  • Thermal stress

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

Study on crack propagation behavior in a quenched glass plate. / Sakaue, Kenichi; Yoneyama, S.; Takashi, M.

In: Engineering Fracture Mechanics, Vol. 76, No. 13, 09.2009, p. 2011-2024.

Research output: Contribution to journalArticle

Sakaue, Kenichi ; Yoneyama, S. ; Takashi, M. / Study on crack propagation behavior in a quenched glass plate. In: Engineering Fracture Mechanics. 2009 ; Vol. 76, No. 13. pp. 2011-2024.
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