Crystallography of ferrite nucleation at austenite grain boundary in a low carbon steel

Tadashi Furuhara, Hayato Saito, Goro Miyamoto, Tadashi Maki

研究成果: Conference contribution

10 被引用数 (Scopus)

抄録

Orientation relationships of proeutectoid ferrite formed at an austenite grain boundary with respect to adjacent austenite grains were investigated by means of electron backscatter diffraction in an isothermally transformed Fe-1.5Mn-0.2C (mass%) alloy. A grain bounadry ferrite holds nearly the Kurdjumov-Sachs (K-S) orientation relationship with some small misorientation against at least one of the adjacent austenite grains. There is strong variant selection by the austenite grain boundary for ferrite nucleation. At a higher transformation temperature, the fraction of ferrites holding a near K-S relationship with respect to the opposite austenite grain is lower. As the transformation temperature becomes lower, the misorientation from the K-S relationship becomes smaller against the near K-S related austenite grain whereas the misorientation against the irrationally oriented austenite grain becomes larger.

本文言語English
ホスト出版物のタイトルPRICM7
出版社Trans Tech Publications Ltd
ページ7-10
ページ数4
ISBN(印刷版)0878492550, 9780878492558
DOI
出版ステータスPublished - 2010
イベント7th Pacific Rim International Conference on Advanced Materials and Processing, PRICM-7 - Cairns, QLD, Australia
継続期間: 2010 8 22010 8 6

出版物シリーズ

名前Materials Science Forum
654-656
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

Other

Other7th Pacific Rim International Conference on Advanced Materials and Processing, PRICM-7
国/地域Australia
CityCairns, QLD
Period10/8/210/8/6

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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