Development of creep resistant Mg alloys

被引：26
|
作者：
Kang, DH [1 ]
Yoo, MS
Park, SS
Kim, NJ
机构：
[1] Pohang Univ Sci & Technol, Ctr Adv Aerosp Mat, Pohang 790784, South Korea
[2] Hynix Semicond Co Ltd, Ichon 467701, South Korea
来源：
PRICM 5: THE FIFTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, PTS 1-5 | 2005年 / 475-479卷
关键词：
Mg alloy; squeeze casting; die casting; minimum creep rate;
D O I：
10.4028/www.scientific.net/MSF.475-479.521
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A study has been made on the tensile and creep properties of squeeze and die cast Mg alloys, with emphasis on the effect of second phase particles. Two different microstructures were compared; the microstructure with thermally unstable particles along grain boundaries (AZ91 alloy) and the microstructure with thermally stable particles along grain boundaries as well as within matrix (MX alloy). The experimental MX alloy has equivalent room temperature tensile strength to AZ91 alloy with higher ductility. Moreover, elevated temperature tensile properties and creep resistance of MX alloy are higher than those of AZ91 alloy. Such improved properties of MX alloy over those of AZ91 alloy are due to the optimized microstructure of the former.
引用
收藏
页码：521 / 524
页数：4
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