The influence of interacting small defects on the fatigue limits of a pure iron and a bearing steel

Mari Åman, Kentaro Wada, Hisao Matsunaga, Heikki Remes, Gary Marquis

研究成果: ジャーナルへの寄稿記事

抜粋

This study investigates the effect of interacting small cracks on the fatigue limits of two types of pure iron of varying strengths and of a bearing steel. The experimental results revealed that although the fatigue limits were essentially controlled by the mechanics of interacting cracks, the non-propagating crack features and the severity of crack coalescence varied greatly among the different materials. In addition, it is demonstrated that the material-independent, analytical, interaction-criterion alone is not sufficient to estimate interaction effects in reality. This research shows that the material effect can be considered in terms of hardness and non-propagating crack size.

元の言語英語
記事番号105560
ジャーナルInternational Journal of Fatigue
135
DOI
出版物ステータス出版済み - 6 2020

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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