Simultaneously increased strength and ductility via the hierarchically heterogeneous structure of Al-Mg-Si alloys/nanocomposite

Run Geng; Qinglong Zhao; Feng Qiu; Qichuan Jiang

doi:10.1080/21663831.2020.1744759

Chinese

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Simultaneously increased strength and ductility via the hierarchically heterogeneous structure of Al-Mg-Si alloys/nanocomposite

Original Reports | 更新时间：2026-08-19

- Simultaneously increased strength and ductility via the hierarchically heterogeneous structure of Al-Mg-Si alloys/nanocomposite
- Materials Research Letters Vol. 8, Issue 6, Pages: 225-231(2020)
- 作者机构：
  
  1. State Key Laboratory of Automotive Simulation and Control Jilin University Changchun People’s Republic of China
  2. Key Laboratory of Automobile Materials Ministry of Education and School of Materials Science and Engineering Jilin University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2020.1744759
  CLC：
- Online First：12 April 2020，
  
  Published：2020
- 稿件说明：
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Run Geng, Qinglong Zhao, Feng Qiu, et al. Simultaneously increased strength and ductility via the hierarchically heterogeneous structure of Al-Mg-Si alloys/nanocomposite[J]. Materials Research Letters, 2020, 8(6): 225-231.
DOI：

Run Geng, Qinglong Zhao, Feng Qiu, et al. Simultaneously increased strength and ductility via the hierarchically heterogeneous structure of Al-Mg-Si alloys/nanocomposite[J]. Materials Research Letters, 2020, 8(6): 225-231. DOI： 10.1080/21663831.2020.1744759.

摘要

Abstract

BSTRACTThe increase in strength usually accompanies with ductility loss in structural materials. We proposed a novel approach to the design and fabrication of hierarchically structured Al-Mg-Si alloys/nanocomposites with improved strength and ductility. The layered distribution of TiC nanoparticles (TiC

)

bimodal-sized grains and precipitates were produced in a laminated composite composed of Al-Mg-Si matrix alloy and TiC

/Al-Mg-Si composite by accumulative roll bonding (ARB)

increasing yield strength from 380 MPa to 443 MPa with a uniform elongation from 5.0% to 6.4%

compared to the ARB TiC

/Al-Mg-Si composite. This work provides a new strategy for producing high strength composite sheets for industrial applications.

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Related Institution

a State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing

b Institute of Materials Research Beijing Beiye Advanced Materials Co. Ltd

a School of Materials Science and Engineering Harbin Institute of Technology

b Institute of Special Environments Physical Sciences Harbin Institute of Technology

c State Key Lab of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University

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