Creep induced phase transformation in extruded Zn-Al alloy

被引：0
|
作者：
Zhu, YH
Islas, JJ
Orozco, E
机构：
[1] Univ Nacl Autonoma Mexico, Inst Invest Mat, Mexico City 04510, DF, Mexico
[2] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 04510, DF, Mexico
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 1997年 / 13卷 / 06期
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D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Phase transformation and microstructural change of an extruded eutectoid Zn-Al alloy Zn76Al22Cu2 (wt pet) were investigated during creep testing by using SEM and X-ray diffraction techniques. Creep induced decomposition of a metastable eta(T)' phase and a four phase transformation, alpha + epsilon --> T' + eta, occurred during the creep testing. Also a microstructural change was observed from a lamellar structure into a spheroidized structure in the rupture part of the extruded alloy. It provided evidence of creep induced phase transformations which occurred in ageing process. The mechanism of creep rupture of the extruded Zn-Al alloy was also discussed.
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页码：503 / 507
页数：5
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