Overcoming the strength-ductility trade-off in metastable dual-phase heterogeneous structures using variable temperature rolling and annealing

Jun Hu; Xuyang Li; Zheming Zhang; Lingyu Wang; Yizhuang Li; Wei Xu

doi:10.1080/21663831.2023.2209596

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Overcoming the strength-ductility trade-off in metastable dual-phase heterogeneous structures using variable temperature rolling and annealing

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- Overcoming the strength-ductility trade-off in metastable dual-phase heterogeneous structures using variable temperature rolling and annealing
- Overcoming the strength-ductility trade-off in metastable dual-phase heterogeneous structures using variable temperature rolling and annealing
- 材料研究快报（英文） 2023年11卷第8期页码：648-654
- 作者机构：
  
  The State Key Laboratory of Rolling and Automation Northeastern University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2209596
  中图分类号：
- 网络首发：2023-05-09，
  
  纸质出版：2023
- 稿件说明：
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Jun Hu, Xuyang Li, Zheming Zhang, 等. Overcoming the strength-ductility trade-off in metastable dual-phase heterogeneous structures using variable temperature rolling and annealing[J]. 材料研究快报（英文）, 2023,11(8):648-654.

Jun Hu, Xuyang Li, Zheming Zhang, et al. Overcoming the strength-ductility trade-off in metastable dual-phase heterogeneous structures using variable temperature rolling and annealing[J]. Materials Research Letters, 2023, 11(8): 648-654.
Jun Hu, Xuyang Li, Zheming Zhang, 等. Overcoming the strength-ductility trade-off in metastable dual-phase heterogeneous structures using variable temperature rolling and annealing[J]. 材料研究快报（英文）, 2023,11(8):648-654. DOI： 10.1080/21663831.2023.2209596.

Jun Hu, Xuyang Li, Zheming Zhang, et al. Overcoming the strength-ductility trade-off in metastable dual-phase heterogeneous structures using variable temperature rolling and annealing[J]. Materials Research Letters, 2023, 11(8): 648-654. DOI： 10.1080/21663831.2023.2209596.

摘要

Abstract

novel variable temperature rolling (VTR) and annealing process was conducted on a metastable austenitic stainless steel. Strain softening occurred during tensile straining in both cold rolled and cryogenic rolled-annealed steels

leading to low uniform elongations of only 2-3%. In contrast

thanks to the metastable dual-phase heterogeneous lamellar structure achieved via the VTR process

a ultra-high strength of over 1 GPa was obtained

and strain hardening led to a remarkable increase of uniform elongation up to 10%. The high strength and ductility are attributed to the significant work-hardening derived from the superior heterogeneous deformation-induced hardening and sustained transformation-induced plasticity effect.

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相关机构

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 International Center of Future Science Jilin University

a Key Laboratory of Automobile Materials of Ministry of Education & School of Materials Science and Engineering Jilin University Changchun People’s Republic of China

a Key Laboratory of Automobile Materials of Ministry of Education & School of Materials Science and Engineering Jilin University

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