Superplastic elongation characteristic of fine grained magnesium alloy ZK60

被引：7
|
作者：
Lee, Shyong [2 ]
Chiang, Chihte [2 ]
Leu, Jyhshyan [2 ]
Chen Yunghung [1 ]
机构：
[1] Chun Shan Inst Sci & Technol, Longtan 32546, Taiwan
[2] Natl Cent Univ, Dept Mech Engn, Jhongli 32001, Taiwan
来源：
RARE METALS | 2010年 / 29卷 / 04期
关键词：
magnesium alloy; superplastic elongation; rolling process; grain refining; AA5083;
D O I：
10.1007/s12598-010-0142-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper employs simple rolling process plus annealing to refine the grain size of magnesium alloy ZK60. This goal is effectively achieved, obtaining grains as fine as similar to 3.7 mu m. Such a specimen shows an elongation of 642%, and its ultimate fracture surface exhibits intergranular separation and significant grain growth. Additionally, the effects of the specimen's geometry and tensile test axis with respect to the rolling direction on superplastic elongation is studied, which has not been done before.
引用
收藏
页码：421 / 425
页数：5
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