Achieving extraordinary thermal stability of fine-grained structure in a dilute magnesium alloy

Zhao-Yuan Meng; Cheng Wang; Zhen-Ming Hua; Min Zha; Hui-Yuan Wang

doi:10.1080/21663831.2022.2106797

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Achieving extraordinary thermal stability of fine-grained structure in a dilute magnesium alloy

Original reports | 更新时间：2026-08-19

- Achieving extraordinary thermal stability of fine-grained structure in a dilute magnesium alloy
- Achieving extraordinary thermal stability of fine-grained structure in a dilute magnesium alloy
- 材料研究快报（英文） 2022年10卷第12期页码：797-804
- 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
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2022.2106797
  中图分类号：
- 网络首发：2022-08-04，
  
  纸质出版：2022
- 稿件说明：
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Zhao-Yuan Meng, Cheng Wang, Zhen-Ming Hua, 等. Achieving extraordinary thermal stability of fine-grained structure in a dilute magnesium alloy[J]. 材料研究快报（英文）, 2022,10(12):797-804.

Zhao-Yuan Meng, Cheng Wang, Zhen-Ming Hua, et al. Achieving extraordinary thermal stability of fine-grained structure in a dilute magnesium alloy[J]. Materials Research Letters, 2022, 10(12): 797-804.
Zhao-Yuan Meng, Cheng Wang, Zhen-Ming Hua, 等. Achieving extraordinary thermal stability of fine-grained structure in a dilute magnesium alloy[J]. 材料研究快报（英文）, 2022,10(12):797-804. DOI： 10.1080/21663831.2022.2106797.

Zhao-Yuan Meng, Cheng Wang, Zhen-Ming Hua, et al. Achieving extraordinary thermal stability of fine-grained structure in a dilute magnesium alloy[J]. Materials Research Letters, 2022, 10(12): 797-804. DOI： 10.1080/21663831.2022.2106797.

摘要

Abstract

High-temperature solid-solution is indispensable for bake-hardenable dilute Mg alloys

which generally induces grain coarsening. Herein

we report extraordinary thermal stability in a bake-hardenable dilute Mg-1.61Zn-0.57Mn-0.54Ca-0.46Al (wt. %

ZMXA2110) alloy

maintaining fine-grained structure at 450 °C. The thermal stability is stemmed from the Zener pinning effect of dense fine (∼15.0 nm) core–shell β-Mn particles and co-segregation of Zn and Ca at grain boundaries. The fine-grained (∼3.2 μm) dilute alloy exhibits high room-temperature formability in solid-solution condition with an Index Erichsen value of ∼6.0 mm

and impressive yield strength of ∼293 MPa with an evident increment of ∼60 MPa by bake-hardening treatment.

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相关机构

c 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

b State Key Laboratory of Reliability and Intelligence of Electrical Equipment School of Material Science and Engineering Hebei University of Technology

b State Key Laboratory of Reliability and Intelligence of Electrical Equipment School of Material Science and Engineering Hebei University of Technology Tianjin People’s Republic of China

a International Joint Laboratory for Light Alloys (MOE) College of Materials Science and Engineering Chongqing University

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