Effect of temper on the distribution of pits in AA7075 alloys

被引：47
|
作者：
Dey, Swapna [1 ]
Gunjan, Manoj K. [1 ]
Chattoraj, Indranil [1 ]
机构：
[1] Natl Met Lab, Jamshedpur 831007, Bihar, India
来源：
CORROSION SCIENCE | 2008年 / 50卷 / 10期
关键词：
Aluminium alloy; SEM; Pitting corrosion;
D O I：
10.1016/j.corsci.2008.07.015
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A comparative study of pitting severity in T6 and T73 tempers of AA7075 in 0.1 M NaCl is reported here. Pitting was more severe for T6 tempers compared to T73 tempers. This could be attributed to higher pit nucleation sites in the former. The statistical distributions for pit areas indicated nucleation saturation in T73. The extreme value distributions showed differences for the two tempers. These differences in pit distribution are explained on the basis of the role of constituent as well as strengthening particles as well as the role of grain boundary eta precipitates. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2895 / 2901
页数：7
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