Effects of Crack Velocity and Acceleration on Dynamic Fracture Toughness of Homalite-100

Kazuo Arakawa, Kiyoshi Takahashi

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

Effects of the crack velocity à and the crack acceleration ä on the dynamic stress intensity factor Kd of Homalite-100 were studied. Evaluations of Ad à and ä during dynamic crack propagation were made by using the method of caustics in combination with high-speed photography. The relation between Kd and à, i. e. Kd(à), showed that it is not a unique function of à and that the decelerating cracks have larger values of Kd(à) than the accelerating cracks for the same velocities. It is found that Ku(à) for a constant acceleration, i. e. Kd(ä =const), becomes a unique function with respect to a.

本文言語英語
ページ(範囲)128-134
ページ数7
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series A
53
485
DOI
出版ステータス出版済み - 1987

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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