Ultrastrong Mg Alloy via Nano-spaced Stacking Faults

W. W. Jian; G. M. Cheng; W. Z. Xu; H. Yuan; M. H. Tsai; Q. D. Wang; C. C. Koch; Y. T. Zhu; S. N. Mathaudhu

doi:10.1080/21663831.2013.765927

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Ultrastrong Mg Alloy via Nano-spaced Stacking Faults

Original Reports | 更新时间：2026-08-19

- Ultrastrong Mg Alloy via Nano-spaced Stacking Faults
- Ultrastrong Mg Alloy via Nano-spaced Stacking Faults
- 材料研究快报（英文） 2013年1卷第2期页码：61-66
- 作者机构：
  
  1. Department of Materials Science and Engineering North Carolina State University Raleigh NC
  2. School of Materials Science and Engineering Shanghai Jiaotong University
  3. Department of Materials Science and Engineering North Carolina State University Raleigh NC USA,27695
  4. Materials Science Division U.S. Army Research Office Research Triangle Park NC
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2013.765927
  中图分类号：
- 网络首发：2013-03-12，
  
  纸质出版：2013
- 稿件说明：
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W. W. Jian, G. M. Cheng, W. Z. Xu, 等. Ultrastrong Mg Alloy via Nano-spaced Stacking Faults[J]. 材料研究快报（英文）, 2013,1(2):61-66.

W. W. Jian, G. M. Cheng, W. Z. Xu, et al. Ultrastrong Mg Alloy via Nano-spaced Stacking Faults[J]. Materials Research Letters, 2013, 1(2): 61-66.
W. W. Jian, G. M. Cheng, W. Z. Xu, 等. Ultrastrong Mg Alloy via Nano-spaced Stacking Faults[J]. 材料研究快报（英文）, 2013,1(2):61-66. DOI： 10.1080/21663831.2013.765927.

W. W. Jian, G. M. Cheng, W. Z. Xu, et al. Ultrastrong Mg Alloy via Nano-spaced Stacking Faults[J]. Materials Research Letters, 2013, 1(2): 61-66. DOI： 10.1080/21663831.2013.765927.

摘要

Mg alloys are among the lightest alloys but they are usually weak. Here we report a new mechanism to make them ultrastrong while maintaining good ductility. Stacking faults with nanoscale spacing were introduced into a Mg–8.5Gd–2.3Y–1.8Ag–0.4Zr (wt%) alloy by conventional hot rolling

which produced a yield strength of ∼575 MPa

an ultimate strength of ∼600 MPa

and a uniform elongation of ∼5.2 %. Low stacking fault (SF) energy enabled the introduction of a high density of SFs

which impeded dislocation slip and promoted dislocation accumulation. These findings provide guidance for developing Mg alloys with superior mechanical properties.

Abstract

which produced a yield strength of ∼575 MPa

an ultimate strength of ∼600 MPa

and a uniform elongation of ∼5.2 %. Low stacking fault (SF) energy enabled the introduction of a high density of SFs

which impeded dislocation slip and promoted dislocation accumulation. These findings provide guidance for developing Mg alloys with superior mechanical properties.

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相关机构

a Faculty of Materials Science and Engineering Kunming University of Science and Technology Kunming People’s Republic of China

b Yunnan Engineering Research Center of Metallic Powder Materials Kunming University of Science and Technology Kunming People’s Republic of China

c Yunnan Key Laboratory of Green Aluminum Based New Materials

d College of Materials Science and Engineering Chongqing University

b Yunnan Engineering Research Center of Metallic Powder Materials Kunming University of Science and Technology

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