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

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

doi:10.1080/21663831.2020.1780330

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

Original Reports | 更新时间：2026-08-19

- Superior strength-ductility synergy by hetero-structuring high manganese steel
- Materials Research Letters Vol. 8, Issue 11, Pages: 417-423(2020)
- 作者机构：
  
  1. a Department of Materials Science and Engineering China University of Petroleum,Beijing
  2. b State Key Laboratory of Nonlinear Mechanics Institute of Mechanics Chinese Academy of Sciences Beijing People’s Republic of China
  3. c School of Engineering Science University of Chinese Academy of Sciences
  4. d State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing
  5. e X-ray Science Division Advanced Photon Source Argonne National Laboratory
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2020.1780330
  CLC：
- Online First：01 July 2020，
  
  Published：2020
- 稿件说明：
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Xing Fang, Qiqi Xue, Kaiyuan Yu, et al. Superior strength-ductility synergy by hetero-structuring high manganese steel[J]. Materials Research Letters, 2020, 8(11): 417-423.
DOI：

Xing Fang, Qiqi Xue, Kaiyuan Yu, et al. Superior strength-ductility synergy by hetero-structuring high manganese steel[J]. Materials Research Letters, 2020, 8(11): 417-423. DOI： 10.1080/21663831.2020.1780330.

摘要

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.

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Related Institution

b Institute of Materials Research Beijing Beiye Advanced Materials Co. Ltd

a State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing

b State Key Laboratory of Precious Metal Functional Materials Tianjin University

a School of Materials Science and Engineering Tianjin University Tianjin People’s Republic of China

a School of Materials Science and Engineering Tianjin University

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