Microstructural and crystallographic characteristics of deformation-induced martensite formed in cold-drawn 316 type stainless steel

Nobuo Nakada, Hidetoshi Ito, Yoshikazu Matsuoka, Toshihiro Tsuchiyama, Setsuo Takaki

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 被引用数 (Scopus)

抄録

Deformation-induced martensite preferentially nucleates at the twin boundary between matrix austenite and deformation twin in 316 type stainless steel. In the cold-rolled specimen, the martensite formed at the twin boundary has K-S relationships with both of the austenite matrix and the deformation twin, that is, "double K-S relationship" is realized. While in the case of cold-drawn specimen, two kinds of twins with different twin planes are typically observed, and therefore, the deformation-induced martensites are formed at the intersections of the two deformation twin boundaries, satisfying "triple K-S relationship" among austenite matrix and two deformation twins, although there is a small misfit from the perfect K-S relationship. The complicated crystallographic orientation relationship leads to a strong variant restriction for deformation-induced martensites. Due to the difference in the number of nucleation sites, martensitic transformation is greatly promoted in cold-drawn specimen rather than cold-rolled one.

本文言語英語
ホスト出版物のタイトルSolid-Solid Phase Transformations in Inorganic Materials
出版社Trans Tech Publications Ltd
ページ99-104
ページ数6
ISBN(印刷版)9783037851432
DOI
出版ステータス出版済み - 1 1 2011

出版物シリーズ

名前Solid State Phenomena
172-174
ISSN(印刷版)1012-0394

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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