Superior strength-ductility synergy by hetero-structuring high manganese steel

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

25 Scopus Citations
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Author(s)

  • Xing Fang
  • Qiqi Xue
  • Kaiyuan Yu
  • Runguang Li
  • Daqiang Jiang
  • Lei Ge
  • Changfeng Chen
  • Xiaolei Wu

Detail(s)

Original languageEnglish
Pages (from-to)417-423
Journal / PublicationMaterials Research Letters
Volume8
Issue number11
Online published1 Jul 2020
Publication statusPublished - 2020
Externally publishedYes

Link(s)

Abstract

Lacking of forest hardening makes low ductility in steels long challenge particularly at high yield strength. Here, we report to make good use of hetero-structuring for superior strength-ductility synergy in high manganese steel. The point is to retain original deformed structure of large quantity, along with recrystallized ultrafine-grains and fine grains, jointly for most effective heterogeneous deformation-induced (HDI) hardening especially at high strength. The residual plastic strain of larger than 0.2% and large proportion of HDI stress over 60% indicate the crucial role in ductility by HDI hardening. This renders a significantly upgraded strength-ductility combination within high strength scope.

Research Area(s)

  • ductility, Hetero-structuring, heterogeneous deformation-induced strain hardening, high manganese steel, ultra-high strength steel

Citation Format(s)

Superior strength-ductility synergy by hetero-structuring high manganese steel. / Fang, Xing; Xue, Qiqi; Yu, Kaiyuan et al.
In: Materials Research Letters, Vol. 8, No. 11, 2020, p. 417-423.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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