Rapid dislocation-mediated solute repartitioning towards strain-aging hardening in a fine-grained dilute magnesium alloy

Zhen-Ming Hua; Min Zha; Zhao-Yuan Meng; Shen-Bao Jin; Gang Sha; Tian-Shuai Wang; Cheng Wang; Hai-Long Jia; Yipeng Gao; Hui-Yuan Wang

doi:10.1080/21663831.2021.2009585

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Rapid dislocation-mediated solute repartitioning towards strain-aging hardening in a fine-grained dilute magnesium alloy

Original Reports | 更新时间：2026-08-19

- Rapid dislocation-mediated solute repartitioning towards strain-aging hardening in a fine-grained dilute magnesium alloy
- Rapid dislocation-mediated solute repartitioning towards strain-aging hardening in a fine-grained dilute magnesium alloy
- 材料研究快报（英文） 2022年10卷第1期页码：21-28
- 作者机构：
  
  1. a Key Laboratory of Automobile Materials of Ministry of Education School of Materials Science and Engineering Jilin University Changchun People’s Republic of China
  2. b International Center of Future Science Jilin University
  3. c Department of Materials Science and Engineering Herbert Gleiter Institute of Nanoscience Nanjing University of Science and Technology
  4. a Key Laboratory of Automobile Materials of Ministry of Education School of Materials Science and Engineering Jilin University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2021.2009585
  中图分类号：
- 网络首发：2022-01-08，
  
  纸质出版：2022
- 稿件说明：
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Zhen-Ming Hua, Min Zha, Zhao-Yuan Meng, 等. Rapid dislocation-mediated solute repartitioning towards strain-aging hardening in a fine-grained dilute magnesium alloy[J]. 材料研究快报（英文）, 2022,10(1):21-28.

Zhen-Ming Hua, Min Zha, Zhao-Yuan Meng, et al. Rapid dislocation-mediated solute repartitioning towards strain-aging hardening in a fine-grained dilute magnesium alloy[J]. Materials Research Letters, 2022, 10(1): 21-28.
Zhen-Ming Hua, Min Zha, Zhao-Yuan Meng, 等. Rapid dislocation-mediated solute repartitioning towards strain-aging hardening in a fine-grained dilute magnesium alloy[J]. 材料研究快报（英文）, 2022,10(1):21-28. DOI： 10.1080/21663831.2021.2009585.

Zhen-Ming Hua, Min Zha, Zhao-Yuan Meng, et al. Rapid dislocation-mediated solute repartitioning towards strain-aging hardening in a fine-grained dilute magnesium alloy[J]. Materials Research Letters, 2022, 10(1): 21-28. DOI： 10.1080/21663831.2021.2009585.

摘要

Abstract

hieving appreciable strain-aging hardening coupling with fine-grain strengthening remains a critical challenge in dilute Mg alloys

as high-temperature solid-solution

utilized to impart high-level solutes for strain-aging

inevitably causes grain coarsening and great strength loss. Herein

we report a rapid dislocation-mediated solute repartitioning behavior upon aging in a low-temperature annealed Mg–1.0Zn–0.45Ca–0.33Sn–0.2Mn (wt.%) alloy. Thereby

appreciable strain-aging hardening (YS increment of ∼30 MPa) coupling with fine-grain (grain size of ∼2.5 µm) strengthening accounts for a high yield strength (∼297 MPa) and ductility (∼20%). It suggests a feasible avenue to develop strong dilute Mg alloys by combining strain-aging hardening and fine-grain strengthening.

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相关机构

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

b State Key Laboratory of Metastable Materials Science and Technology & School of Materials Science and Engineering Yanshan University Qinhuangdao People’s Republic of China

d School of Materials Science and Engineering Hebei University of Technology

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

c International Center of Future Science Jilin University

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