Laminated Fe-34.5 Mn-0.04C composite with high strength and ductility

Yuhui Wang, Jianmei Kang, Yan Peng, Tiansheng Wang, Niels Hansen, Xiaoxu Huang*

*Corresponding author for this work

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To obtain a good combination of strength and ductility, a laminated composite structure composed of recovered hard lamellae and soft recrystallized lamellae has been produced in a single phase austenitic Fe-34.5 Mn-0.04C steel by cold rolling and partial recrystallization. Enhanced mechanical properties in both strength and ductility have been obtained in the composite structure compared to a fully recrystallized coarse grain structure. A further increase in strength with only minor loss in total elongation has been achieved by a slight cold rolling of the composite structure, which also removes the small yield drop and Lüders elongation observed in the composite structure.
Original languageEnglish
JournalJournal of Materials Science & Technology
Issue number10
Pages (from-to)1939-1943
Publication statusPublished - 2018


  • Constraint effect
  • Ductility
  • Laminated composite structure
  • Partial recrystallization
  • Strength


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