Possibility of auto-tempering in martensitic steels containing carbon

Setsuo Takaki, Daichi Akama, Nobuo Nakada, Toshihiro Tsuchiyama, Ryuji Uemori, Masahiro Murakami, Kengo Iwanaga, Shigeru Mizoguchi

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

抄録

Martensitic steels containing carbon are characterized by their high tensile strength and the solid solution strengthening by super saturated carbon has been believed to be the dominant strengthening mechanisms. In this study, X-ray diffraction analysis revealed that the lattice structure of as quenched martensite is not bct but bcc independent of carbon content in the carbon concentration range below 0.5% at least. In addition, a theoretical analysis on the strengthening mechanism indicated the fact that the strength of as quenched martensite can be reasonably explained by the particle dispersion strengthening based on the particle cutting model. As a result, it was confirmed that auto-tempering cannot be avoided in conventional martensitic steels under the engineering cooling condition.

本文言語英語
ホスト出版物のタイトルPTM 2015 - Proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015
編集者Long-Qing Chen, Matthias Militzer, Gianluigi Botton, James Howe, Chadwick Sinclair, Hatem Zurob
出版社International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015
ページ79-80
ページ数2
ISBN(電子版)9780692437360
出版ステータス出版済み - 2015
イベントInternational Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015, PTM 2015 - Whistler, カナダ
継続期間: 6 28 20157 3 2015

出版物シリーズ

名前PTM 2015 - Proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015

その他

その他International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015, PTM 2015
Countryカナダ
CityWhistler
Period6/28/157/3/15

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Inorganic Chemistry
  • Materials Chemistry
  • Metals and Alloys

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