Achieving outstanding heat-resistant properties in Mg alloy via constructing stable solute-network

Dongsheng Xie; Hucheng Pan; Zhen Pan; Tong Fu; Zhuoran Zeng; Hongbo Xie; Yuping Ren; Weineng Tang; Gaowu Qin

doi:10.1080/21663831.2022.2158048

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Achieving outstanding heat-resistant properties in Mg alloy via constructing stable solute-network

Original Reports | 更新时间：2026-08-19

- Achieving outstanding heat-resistant properties in Mg alloy via constructing stable solute-network
- Achieving outstanding heat-resistant properties in Mg alloy via constructing stable solute-network
- 材料研究快报（英文） 2023年11卷第5期页码：374-382
- 作者机构：
  
  1. a Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education) College of Materials Science and Engineering Northeastern University
  2. b College of Engineering and Computer Science Australian National University
  3. c Mg and Mg Alloy Institute Technology Center Baosteel Metal Co. Ltd China Baowu Steel Group
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2022.2158048
  中图分类号：
- 网络首发：2022-12-26，
  
  纸质出版：2023
- 稿件说明：
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Dongsheng Xie, Hucheng Pan, Zhen Pan, 等. Achieving outstanding heat-resistant properties in Mg alloy via constructing stable solute-network[J]. 材料研究快报（英文）, 2023,11(5):374-382.

Dongsheng Xie, Hucheng Pan, Zhen Pan, et al. Achieving outstanding heat-resistant properties in Mg alloy via constructing stable solute-network[J]. Materials Research Letters, 2023, 11(5): 374-382.
Dongsheng Xie, Hucheng Pan, Zhen Pan, 等. Achieving outstanding heat-resistant properties in Mg alloy via constructing stable solute-network[J]. 材料研究快报（英文）, 2023,11(5):374-382. DOI： 10.1080/21663831.2022.2158048.

Dongsheng Xie, Hucheng Pan, Zhen Pan, et al. Achieving outstanding heat-resistant properties in Mg alloy via constructing stable solute-network[J]. Materials Research Letters, 2023, 11(5): 374-382. DOI： 10.1080/21663831.2022.2158048.

摘要

Abstract

new Mg–Sm–Ce–Mn-based alloying system with a large miscibility gap was uncovered

and multi-solute co-segregations at high-angular grain boundaries (HAGBs)

dislocations and low-angular grain boundaries (LAGBs) are obtained after the proper extrusion process. During following long-term thermal exposure

the solute along HAGBs gradually evolves into nano-precipitates

while the precipitation process along LAGBs is obviously suppressed due to the intrinsically low-energy character

and numerous G. P. zones and γ” phases are formed in deformed regions

which always keep the limited size and reticular distribution. Consequently

the bimodal-grain structure is thermally stable

and the excellent high-temperature strength can be well maintained.

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相关机构

a National Engineering Research Center of Light Alloy Net Forming and State Key Laboratory of Metal Matrix Composite Shanghai Jiao Tong University

b Global Institute of Future Technology Shanghai Jiao Tong University

a National Engineering Research Center of Light Alloy Net Forming and State Key Laboratory of Metal Matrix Composite Shanghai Jiao Tong University Shanghai People’s Republic of China

c Department of Materials Science and Engineering University of North Texas Denton

b MAT Université Libre de Bruxelles

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