Effect of ball-milling parameter on mechanical and damping properties of sintered Mg-Zr alloy

被引：11
|
作者：
Liu Zi-li [1 ,2 ,3 ]
Liu Xi-qin [3 ]
Shen Ping [3 ]
Zhu Xiu-rong [2 ]
Meng Liang [1 ]
机构：
[1] Zhejiang Univ, Coll Mat Sci & Chem Engn, Hangzhou 310027, Zhejiang, Peoples R China
[2] Ordnance Sci Inst China, Ningbo Branch, Ningbo 315103, Zhejiang, Peoples R China
[3] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Engn, Nanjing 210016, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2010年 / 20卷 / 11期
基金：
中国博士后科学基金;
关键词：
Mg-Zr alloy; ball-milling parameter; damping capacities; MAGNESIUM ALLOY; MICROSTRUCTURE;
D O I：
10.1016/S1003-6326(09)60423-4
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Effects of ball-milling parameter on structures and properties of sintered Mg-1.5Zr (mass fraction, %) alloy were researched by metallographic analysis, mechanical properties tests and DMA technology. The results indicate that with 310 r/min rotation speed, the microstructure of the sintered alloy is greatly refined, and Zr-phase distributes uniformly. The micro-hardness, bending strength and damping capacities are the greatest under 310 r/min rotation speed. The damping peak of sintered Mg-1.5Zr alloy increases with increasing frequency under the testing conditions. The relaxation time meets the Arrhenius relationship, and shows the characteristics of relaxation damping.
引用
收藏
页码：2092 / 2095
页数：4
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