Selective appearance of-martensitic transformation and dynamic strain aging in Fe-Mn-C austenitic steels

Motomichi Koyama, Takahiro Sawaguchi, Kaneaki Tsuzaki

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The influence of stress-induced-martensitic transformation on the serrated flow behavior associated with dynamic strain aging was investigated. The-martensitic transformation was controlled by changing the deformation temperature and adding Si to Fe-17Mn-xSi-0.3C alloys. The addition of Si promoted the-martensitic transformation, and suppressed the slip deformation due to solution hardening. The initiation of serrations around room temperature was delayed by the promotion of-martensitic transformation which initiated plastic deformation. The critical stress for the occurrence of serrations and the critical stress for the occurrence of slip deformation were found to have a linear relationship.

Original languageEnglish
Pages (from-to)3051-3063
Number of pages13
JournalPhilosophical Magazine
Volume92
Issue number24
DOIs
Publication statusPublished - Aug 21 2012

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precipitation hardening
martensitic transformation
steels
critical loading
slip
occurrences
promotion
hardening
plastic deformation
room temperature
temperature

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Selective appearance of-martensitic transformation and dynamic strain aging in Fe-Mn-C austenitic steels. / Koyama, Motomichi; Sawaguchi, Takahiro; Tsuzaki, Kaneaki.

In: Philosophical Magazine, Vol. 92, No. 24, 21.08.2012, p. 3051-3063.

Research output: Contribution to journalArticle

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