Microstructure evolution of thixomolding AZ91D magnesium alloy during heat treatment

被引：30
|
作者：
Yang, Li-jing [1 ]
Wei, Ying-hui [1 ]
Hou, Li-feng [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2010年 / 45卷 / 13期
关键词：
BINARY MG-AL; DISCONTINUOUS PRECIPITATION; MECHANICAL-PROPERTIES; GRAIN-REFINEMENT; KINETICS; PHASE;
D O I：
10.1007/s10853-010-4408-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microstructure evolution of thixomolding AZ91D magnesium alloy during heat treatment was investigated by means of SEM, XRD, and Vickers hardness measurement. The thixomolding AZ91D alloy has faster beta phase dissolution kinetics in comparison with the HPDC alloy at 415 A degrees C solution treatment. Both the discontinuous precipitation and the continuous precipitation were observed during aging treatment. The thixomolding specimen exhibited an accelerated age-hardening kinetics in comparison with the HPDC specimen.
引用
收藏
页码：3626 / 3634
页数：9
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