Synergistically improved strength and damping capacity of Mg-Li-Y-Er-Zn-Zr alloy by ultra-high pressure treatment

被引：4
|
作者：
Wang, Dan [1 ]
Huang, Peizhao [1 ]
Wu, Ruizhi [2 ,3 ]
Huang, Hailiang [1 ]
Yu, Rui [1 ]
Sang, Mingqian [1 ]
Peng, Lizhi [1 ]
Song, Yaqiang [1 ]
Jin, Yilong [1 ]
Liu, Yi [1 ]
Zhou, Zhixiang [1 ]
机构：
[1] Mudanjiang Normal Univ, Sch Phys & Elect Engn, Key Lab New Carbon based Funct & Superhard Mat Hei, Mudanjiang 157011, Peoples R China
[2] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China
[3] Nanning Coll Vocat Technol, Nanning 530008, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2024年 / 915卷
关键词：
Magnesium lithium alloy; Ultra-high pressure treatment; Strength; Damping capacity; MECHANICAL-PROPERTIES; MICROSTRUCTURE;
D O I：
10.1016/j.msea.2024.147205
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The application of Mg-Li alloys has been consistently constrained by the trade-off between strength and damping capacity (Q-1). In this paper, the strength and Q- 1 of Mg-8Li-4Y-2Er-2Zn-0.6Zr alloy were significantly enhanced using ultra-high pressure (UHP) treatment. After UHP treatment, the tensile strength, the elongation, and the Q- 1 of the alloy reached 277 MPa, 24 %, and 0.05, respectively. The synergistic improvement of mechanical and damping characteristics of the alloy is analyzed comprehensively. The proposed UHP technology has the potential to be widely utilized for the development of high-performance Mg-Li components.
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页数：10
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