Effect of strain rates on strength of sheet steels

Shusaku Takagi, Kazuya Miura, Osamu Furukimi, Takashi Obara, Toshiyuki Kato, Shinji Tanimura

研究成果: ジャーナルへの寄稿学術誌査読

6 被引用数 (Scopus)

抄録

Stain rate sensitivity of deformation behavior in various sheet steels were investigated in order to find out the suitable steel for automotive anti-crash parts. Dual phase steels consisted of ferrite and martensite phases absorbed higher energy at strain rate of 2×103/s with lower yield strength at strain rate of 2×10-2/s, compared with other steels. Higher energy absorption of dual phase steels was due to high strain rate sensitivity of yield strength and n-value. Increase of volume fraction or large surface area of martensite phase in dual phase steel led higher strain rate sensitivity in work hardenability as well as yield strength.

本文言語英語
ページ(範囲)60-65
ページ数6
ジャーナルTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
83
11
DOI
出版ステータス出版済み - 1997
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 物理化学および理論化学
  • 金属および合金
  • 材料化学

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