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

被引：13
|
作者：
Liu, K. [1 ]
Cao, X. [1 ,2 ]
Chen, X-G. [1 ]
机构：
[1] Univ Quebec Chicoutimi, Dept Appl Sci, Chicoutimi, PQ G7H 2B1, Canada
[2] Natl Res Council Canada, Aerosp Mfg Technol Ctr, Inst Aerosp Res, Montreal, PQ H3T 2B2, Canada
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2015年 / 46卷 / 04期
基金：
加拿大自然科学与工程研究理事会;
关键词：
MECHANICAL-PROPERTIES; PHASES; MICROSTRUCTURE;
D O I：
10.1007/s11663-015-0294-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
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. (C) The Minerals, Metals & Materials Society and ASM International 2015
引用
收藏
页码：1566 / 1575
页数：10
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