Method for the evaluation of mode I fatigue crack growth rate of prestrained materials

Takuhiro Mishima, Minwoo Kang, Yuuta Aono, Hiroshi Noguchi

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The fatigue crack growth rate dl/dN characteristics of prestrained carbon steel were studied. In this study, the relationship between the ultimate tensile strength σB of prestrained specimens and dl/dN was the focus. Under the conditions of large-scale yielding, there is a correlation between dl/dN and σB where dl/dN versus σan l characteristics are modified by σB, regardless of the degree of prestrain. Under the conditions of small-scale yielding, although σB affects dl/dN, σB does not correlate strongly with dl/dN in comparison with the case under the conditions of large-scale yielding.

Original languageEnglish
Pages (from-to)1737-1743
Number of pages7
JournalInternational Journal of Fatigue
Issue number9-11
Publication statusPublished - Sep 1 2007


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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