Effects of Specimen Size and Cyclic Load on the Tearing Instability Characteristic of Low Alloy Steels

Kotoji Ando, S. Saka, Masaya Horinq, Hiroyuki Kotoku

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Fracture tests of low alloy steels based on the J-integral have been performed on compact tension and three point-bend specimens to investigate the effect of specimen size on the tearing modulus. Also, tearing instability tests have been conducted to clarify the effects of specimen size, fracture toughness and cyclic load on the tearing instability characteristic. It has been shown that the specimen size has little effect on the tearing modulus up to ω⇌2, but it has a notable effect on the critical value of the J-integral at the instability point (JInst). For very tough material, JInst depends on the testing compliance, but for not so tough material, it has little effect on JInst. The value of JInst under cyclic loading is found to be consistent with JInst under the monotonic load condition.

本文言語English
ページ(範囲)464-471
ページ数8
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series A
52
474
DOI
出版ステータスPublished - 1986

ASJC Scopus subject areas

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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