Fatigue microcrack nucleation modeling: A survey of the state of the art

Mohammad Dabiri (Corresponding Author), Anssi Laukkanen, Timo Björk

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

Many different approaches have been proposed for modeling of fatigue crack nucleation and microstructurally short fatigue crack propagation in polycrystalline metals. The mechanisms governing dislocations and slip at micro- and nanoscale have to be taken into account to be able to modify the microstructure of metals and develop materials with improved fatigue resistance. This paper reviews modeling approaches that take the microstructure into the consideration specifically from the fatigue crack nucleation point of view. Key concepts are explained, challenges described, and uncertainties discussed, followed by a comprehensive list of articles on the subject published mainly in the past decade.

Original languageEnglish
Pages (from-to)368-376
Number of pages9
JournalInternational Review of Mechanical Engineering
Volume9
Issue number4
DOIs
Publication statusPublished - 1 Jan 2015
MoE publication typeNot Eligible

Keywords

  • Crystal plasticity
  • Dislocation
  • Fatigue crack nucleation
  • Microstructure

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