Designing Fe-Mn-Si alloys with improved low-cycle fatigue lives

Takahiro Sawaguchi, Ilya Nikulin, Kazuyuki Ogawa, Kaoru Sekido, Susumu Takamori, Tadakatsu Maruyama, Yuya Chiba, Atsumichi Kushibe, Yasuhiko Inoue, Kaneaki Tsuzaki

Research output: Contribution to journalArticlepeer-review

76 Citations (Scopus)

Abstract

A new design concept for improving the low-cycle fatigue lives of Fe-Mn-Si-based alloys is proposed. The degree of reversibility of the dislocation motion can be increased by setting the stacking fault energy to approximately 20 mJ m-2, enhancing the Ni-equivalent amounts with respect to the Cr-equivalent amounts and setting the Si concentration to 4 wt.%. Under these conditions, an Fe-15Mn-10Cr-8Ni-4Si alloy with a low-cycle fatigue life of approximately 8000 cycles for a total strain range of 2.0% could be developed.

Original languageEnglish
Pages (from-to)49-52
Number of pages4
JournalScripta Materialia
Volume99
DOIs
Publication statusPublished - Apr 1 2015

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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