Element doping improving mechanical properties of β' phase in Al-Mg-Si alloy

被引：0

作者：

Wang, Jin ^{[1
]}

Ding, Lianhong ^{[2
]}

Duan, Mengmeng ^{[1
]}

Zhang, Chuan-Hui ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Natl Ctr Mat Serv Safety, Beijing 102206, Peoples R China

[2] Beijing Wuzi Univ, Sch Informat, Beijing 101149, Peoples R China

来源：

MRS COMMUNICATIONS | 2023年 / 13卷 / 06期

关键词：

Compound; Dopant; Toughness; Electronic structure; Ductility computation; CRYSTAL-STRUCTURE; HIGH-PRESSURE; 1ST-PRINCIPLES; STABILITY; HARDNESS; MG9SI5; CA; SR; GE; CU;

D O I：

10.1557/s43579-023-00427-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of element doping on the mechanical properties of beta'-Mg9Si5 phase in Al-Mg-Si alloys are investigated using density-functional calculations. The results reveal that Mg17Si10Ge exhibits the highest degree of stability, attributed to its lower formation enthalpies. Doping of Ge and Zn elements may lead to a reduction in the material's hardness. Conversely, the addition of Al and Zn elements can significantly enhance the toughness and ductility of Mg17Si10X. The electron orbits of Si atoms are the primary influencing factor. The strength-ductility of these materials can be finely tuned by altering the charge transfer around the doping atoms.

引用

页码：1187 / 1195

页数：9

共 50 条

[31] Microstructure, Texture and Mechanical Properties of Al-Mg-Si Alloy Processed by Multiaxial Compression
Abir Roy
Manish Tiwari
Sandeep Sahu
Sumeet Mishra
Abhishek Kumar
Journal of Materials Engineering and Performance, 2020, 29 : 3876 - 3888
[32] Effect of simultaneous deformation and artificial ageing on the mechanical properties of an Al-Mg-Si alloy
Kolar, Michal
Pedersen, Ketill Olav
Gulbrandsen-Dahl, Sverre
Marthinsen, Knut
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH, 2012, 103 (08) : 962 - 971
[33] Microstructure and mechanical properties of Al-Mg-Si alloy U-shaped profile
Wang, Xiang-dong
Liu, Xiong
Ding, Hao
Yan, Su-rong
Xie, Zi-hua
Pan, Bai-qing
Li, Yong-hong
Pan, Qing-lin
Deng, Yun-lai
Wang, Wei-yi
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, 2020, 30 (11) : 2915 - 2926
[34] Effects of Mg-Si ratio on microstructures and properties of Al-Mg-Si alloy
Wang J.
Luo B.-H.
Zheng Y.-Y.
Bai Z.-H.
Li B.
Luo, Bing-Hui (lbh@csu.edu.cn), 1600, Central South University of Technology (27): : 1091 - 1101
[35] Microstructures and Properties of Al-Mg-Si Casting Alloy with Different Mg/Si Ratios
Wang J.
Luo B.
Bai Z.
Gao Y.
Zheng Y.
Ren Z.
Luo, Binghui (lbh@csu.edu.cn), 2018, Editorial Office of Chinese Journal of Rare Metals (42): : 681 - 690
[36] Influences of Fe, Si and homogenization on electrical conductivity and mechanical properties of dilute Al-Mg-Si alloy
Zhao, Qingru
Qian, Zhao
Cui, Xiaoli
Wu, Yuying
Liu, Xiangfa
JOURNAL OF ALLOYS AND COMPOUNDS, 2016, 666 : 50 - 57
[37] Effect of ECAP on the Microstructure and Mechanical Properties of a High-Mg2Si Content Al-Mg-Si Alloy
边丽萍
梁伟
Journal of Wuhan University of Technology(Materials Science), 2010, (03) : 395 - 398
[38] Effect of ECAP on the microstructure and mechanical properties of a high-Mg2Si content Al-Mg-Si alloy
Liping Bian
Wei Liang
Jian Ma
Shunqi Wang
Kehua Chen
Jinbo Xue
Hongxia Wang
Aiping Liang
Journal of Wuhan University of Technology-Mater. Sci. Ed., 2010, 25 : 395 - 398
[39] Effect of ECAP on the Microstructure and Mechanical Properties of a High-Mg2Si Content Al-Mg-Si Alloy
Bian Liping
Liang Wei
Ma Jian
Wang Shunqi
Chen Kehua
Xue Jinbo
Wang Hongxia
Liang Aiping
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION, 2010, 25 (03): : 395 - 398
[40] Atomic bonding in interface of pre-β″ and β″ phase and properties of Al-Mg-Si alloy
Gao, Ying-Jun
Wei, Na
Huang, Li-Lin
Huang, Chuang-Gao
Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals, 2013, 23 (04): : 919 - 926

← 1 2 3 4 5 →