Damping Properties of As-Cast Mg-Zn-Y Alloy with/Phase

被引：0
|
作者：
Wan Diqing [1 ]
Hu Yinglin [1 ]
Li Zhumin [1 ]
Ye Shuting [1 ]
机构：
[1] East China Jiaotong Univ, Nanchang 330013, Jiangxi, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2019年 / 48卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Mg-Zn-Y alloy; dendritic morphology; quasicrystal phase; damping properties; MECHANICAL-PROPERTIES; MICROSTRUCTURE EVOLUTION; PHASE; ND; CAPACITIES; DISPERSION; BEHAVIOR;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A conventional casting method was adopted to fabricate the alloys of Mg-Zn-Y, in which the dendritic morphology and its relation to the damping properties of as-cast Mg-Zn-Y alloy were studied based on the typical Mg93Zn6Y1 alloy containing icosahedral quasicrystal phase. By controlling the pouring temperature, the stirring speed and stirring time, the dendritic morphology with different parameters was obtained. The results show that the microstructure of the as-cast Mg93Zn6Y1 mainly consists of alpha-Mg dendritic crystal and icosahedral quasicrystal phase. After stirring, the primary alpha-Mg dendritic gradually have fractal characteristics in faith, and its size changes, affecting the damping capacity. The mechanism was discussed.
引用
收藏
页码：71 / 76
页数：6
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