Effects of Iron-Rich Intermetallics on Tensile Deformation of Al-Cu 206 Cast Alloys

被引：0
|
作者：
K. Liu
X. Cao
X. -G. Chen
机构：
[1] University of Quebec at Chicoutimi,Department of Applied Science
[2] National Research Council Canada,Aerospace Manufacturing Technology Centre, Institute for Aerospace Research
来源：
Metallurgical and Materials Transactions B | 2015年 / 46卷
关键词：
Tensile Property; Ultimate Tensile Strength; Iron Content; Cast Alloy; Solution Heat Treatment;
D O I：
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中图分类号：
学科分类号：
摘要：
An investigation has been carried out of the influence of iron on the tensile properties and fracture behavior of a series of Al-Cu 206 cast alloys. Iron contents are explored from 0.15 to 0.5 wt pct, and at two levels of silicon and manganese. The types, morphologies and quantities of the various iron-rich intermetallics are characterized metallographically, and their effects on the tensile properties and the nucleation and growth of cracks during tensile deformation are studied. In addition, oxide films are shown to play an important role in both the nucleation of the iron-rich intermetallics and the formation of tensile cracks.
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页码：1566 / 1575
页数：9
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