Novel -75°C SEM cooling stage: Application for martensitic transformation in steel

Kaneaki Tsuzazki, Motomichi Koyama, Ryosuke Sasaki, Keiichiro Nakafuji, Kazushi Oie, Akinobu Shibata, Takashi Gondo, Hiroya Miyazaki, Hiroshi Akamine, Minoru Nishida

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

Microstructural changes during the martensitic transformation from face-centred cubic (FCC) to body-centred cubic (BCC) in an Fe-31Ni alloy were observed by scanning electron microscopy (SEM) with a newly developed Peltier stage available at temperatures to -75°C. Electron channelling contrast imaging (ECCI) was utilized for the in situ observation during cooling. Electron backscatter diffraction analysis at ambient temperature (20°C) after the transformation was performed for the crystallographic characterization. A uniform dislocation slip in the FCC matrix associated with the transformation was detected at -57°C. Gradual growth of a BCC martensite was recognized upon cooling from -57°C to -63°C.

本文言語英語
ページ(範囲)250-254
ページ数5
ジャーナルMicroscopy
70
2
DOI
出版ステータス出版済み - 4 1 2021

All Science Journal Classification (ASJC) codes

  • 構造生物学
  • 器械工学
  • 放射線学、核医学およびイメージング

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