Work hardening associated with e{open}-martensitic transformation, deformation twinning and dynamic strain aging in Fe-17Mn-0.6C and Fe-17Mn-0.8C TWIP steels

Motomichi Koyama, Takahiro Sawaguchi, Taekyung Lee, Chong Soo Lee, Kaneaki Tsuzaki

研究成果: Article

163 引用 (Scopus)

抜粋

The tensile properties of carbon-containing twinning induced plasticity (TWIP) steels and their temperature dependence were investigated. Two steels with carbon concentrations of 0.6% and 0.8% (w/w) were tensile-tested at 173, 223, 273, 294, and 373. K. Three deformation modes were observed during tensile testing: e{open}-martensitic transformation, deformation twinning, and dynamic strain aging. The characteristic deformation mode that contributed to the work hardening rates changed with the deformation temperature and chemical compositions. The work hardening rate in the carbon-containing TWIP steels increased according to the deformation modes in the following order: e{open}-martensitic transformation > deformation twinning > dynamic strain aging.

元の言語English
ページ(範囲)7310-7316
ページ数7
ジャーナルMaterials Science and Engineering A
528
発行部数24
DOI
出版物ステータスPublished - 2011 9 15
外部発表Yes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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