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Predictions of antisotropy affected fatigue crack propagation paths in pure aluminum sheets

  • Yudy Surya Irawan*
  • , Yoshihiko Hagiwara
  • , Shin Ichi Ohya
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The anisotropy affected fatigue cracks that propagate on the rolling direction as mixed mode I-II cracks in CCT-specimens of pure aluminum sheets were predicted using Finite Element Method. The crack growth paths were estimated based on the value of mode I, II, total stress intensity factor range, and the ratio of mode II and mode I energy release rate of the crack. The predictions of crack propagation paths in no-hole specimens and 6-type holed specimens with 0, 30, 45 and 60 degrees of rolling direction towards loading direction were performed and the results were coincided with experimental results.

Original languageEnglish
Pages (from-to)83-96
Number of pages14
JournalInternational Journal of Computational Methods
Volume3
Issue number1
DOIs
Publication statusPublished - Mar 2006
Externally publishedYes

Keywords

  • Aluminum
  • Anisotropy
  • Fatigue crack path
  • Finite element method
  • Mixed-mode I-II
  • Simulation

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