Corrosion performance of AA7178 aluminum alloy reinforced with SiC nanoparticles

被引：2
|
作者：
Bharat, Nikhil [1 ]
Bose, P. S. C. [1 ]
机构：
[1] NIT Warangal, MED, Hanamkonda 506004, India
来源：
MATERIALS LETTERS | 2023年 / 352卷
关键词：
Corrosion; Nanocomposites; Nanoparticles; SEM; AA7178; BEHAVIOR;
D O I：
10.1016/j.matlet.2023.135197
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The corrosion performance of AA7178-SiC nanocomposites (0, 1, 2, and 3 wt%) formed by stir casting was investigated in chloride media using electroanalytical methods such as potentiodynamic polarization and Impedance measurements. SEM and EDX analyses were performed to determine the influence of silicon carbide on composite corroded surface. Studies using polarization and impedance spectroscopy show that composites have better corrosion resistance than the base alloy matrix. The good bond integrity of SiC particle with aluminium is responsible for the observed enhancement in corrosion resistance of SiC particulate reinforced nanocomposites. It was discovered that the corrosion resistance of the AA7178 alloy was improved by adding 3 wt% of SiC.
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页数：4
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