首页|Microstructure and Mechanical Behavior of Mg-Based Bimetal Plates with High Formability Sleeve by Co-extrusion

Microstructure and Mechanical Behavior of Mg-Based Bimetal Plates with High Formability Sleeve by Co-extrusion

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In this study,microstructure and mechanical behavior of two types of Mg-based bimetal plates with a high formability sleeve were systematically studied,with a great emphasis on the effect of the interface characteristic and the sleeve fraction on the plasticity of composite plates.The rule of mixtures(ROM)for elongation was also addressed.The results show that when there is no or thin diffusion layer with thickness of about 3 μm,Mg-based bimetal plates have a good plasticity with elongation of about 19-24％,and the ROM predicted elongations are very close to the experimental ones.In contrast,with a diffusion layer about 95-155 μm thick,Mg-based bimetal plates exhibit a poor plasticity with elongation of about 11-17％,and the experimental elongations largely deviate from the ROM predictions.The plasticity of Mg-based bimetal plates increases with increasing sleeve fraction.This study provides new insights on the plastic deformation of Mg-based bimetal composites with a high formability sleeve.

Mg-based compositesCo-extrusionMicrostructureMechanical behaviorPlastic deformation

Yue-Hui Dang、Sheng-Lin Liu、Xiao-Lei Ai、Xiao-Wei Feng、Bo Feng、Zhuo Tian、Ying-Fei Lin、Huan-Tao Chen、Kai-Hong Zheng

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School of Materials Science and Engineering,Chang'an University,Shaanxi 710064,China

Guangdong Key Laboratory of Metal Toughening Technology and Application,Institute of New Materials,Guangdong Academy of Sciences,Guangzhou 510650,China

National Key Research and Development Program of ChinaGuangdong Major Project of Basic and Applied Basic ResearchGuangdong Academy of science FundGuangdong Academy of science FundGuangdong Academy of science FundNational Natural science Foundation of ChinaNational Natural science Foundation of ChinaYouth Talent Support Programme of Guangdong Provincial Association for Science and TechnologyNatural science Foundation of Guangdong ProvinceNatural science Foundation of Guangdong Province

2022YFB37084002020B03010300062020GDASYL-202001010012021GDASYL-202101020022021GDASYL-202101031035190511112002092SKXRC2023012021A15150117302019A1515012096

2024

10.1007/s40195-023-01567-y

金属学报(英文版)
中国金属学会

金属学报(英文版)

CSTPCD
影响因子：0.77
ISSN：1006-7191
年,卷(期)：2024.37(3)
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