Super-high formability of Al-5.0Zn-1.5Mg-1.5Cu (wt.%) alloy via gradient heterogeneous structure

Liangliang Yuan; Mingxing Guo; Dexian Qiao; Zanyang Liu; Linzhong Zhuang

doi:10.1080/21663831.2022.2122752

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Super-high formability of Al-5.0Zn-1.5Mg-1.5Cu (wt.%) alloy via gradient heterogeneous structure

Original Reports | 更新时间：2026-08-19

- Super-high formability of Al-5.0Zn-1.5Mg-1.5Cu (wt.%) alloy via gradient heterogeneous structure
- Materials Research Letters Vol. 11, Issue 2, Pages: 99-107(2023)
- 作者机构：
  
  1. a State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing
  2. a State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing Beijing People’s Republic of China
  3. b Beijing Advanced Innovation Center for Materials Genome Engineering University of Science and Technology Beijing Beijing People’s Republic of China
  4. c Beijing Laboratory of Metallic Materials and Processing for Modern Transportation University of Science and Technology Beijing
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2022.2122752
  CLC：
- Online First：29 September 2022，
  
  Published：2023
- 稿件说明：
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Liangliang Yuan, Mingxing Guo, Dexian Qiao, et al. Super-high formability of Al-5.0Zn-1.5Mg-1.5Cu (wt.%) alloy via gradient heterogeneous structure[J]. Materials Research Letters, 2023, 11(2): 99-107.
DOI：

Liangliang Yuan, Mingxing Guo, Dexian Qiao, et al. Super-high formability of Al-5.0Zn-1.5Mg-1.5Cu (wt.%) alloy via gradient heterogeneous structure[J]. Materials Research Letters, 2023, 11(2): 99-107. DOI： 10.1080/21663831.2022.2122752.

摘要

Abstract

novel idea of precisely constructing gradient heterogeneous microstructure was proposed to greatly improve the formability of Al-Zn-Mg-Cu alloy by coupling multi-process firstly. After coupling control of the heterogeneous distribution of precipitates

strain energy storage and dislocation number density

a gradient distribution of coarse/fine grains can be constructed in the pre-aged alloy

resulting in a greatly enhanced average plastic strain ratio of 0.716. This work opens up a new frontier for achieving super-high room temperature formability without sacrificing the high strengths for Al-Zn-Mg-Cu alloys.

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Related Institution

a School of Materials Science and Engineering Zhengzhou University Zhengzhou People’s Republic of China

b State Centre for International Cooperation on Designer Low-carbon & Environmental Materials Zhengzhou University

b State Centre for International Cooperation on Designer Low-carbon & Environmental Materials Zhengzhou University Zhengzhou People’s Republic of China

c Zhongyuan Critical Metals Laboratory Zhengzhou University

d Faculty of Engineering Huanghe Science and Technology College

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