CORROSION PROTECTION OF AL/SIC METAL MATRIX COMPOSITES BY ANODIZING

被引:29
作者
LIN, S
GREENE, H
SHIH, H
MANSFELD, F
机构
[1] Univ of Southern California, Los Angeles, CA
关键词
ANODIZING; ALUMINUM; METAL MATRIX COMPOSITES; IMPEDANCE SPECTROSCOPY; CORROSION RESISTANCE; SEALING;
D O I
10.5006/1.3315920
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Sulfuric acid anodizing with a hot water seal does not produce the same corrosion resistance for a Al/SiC metal matrix composite as for Al 6061. The corrosion resistance of hard-anodized Al/SiC is less than that of conventional anodized Al/SiC. This result is considered to be due to the presence of the SiC particulates that interfere with the formation of a continuous barrier layer. A new mechanism for the formation of anodized layers on Al/SiC MMCs is proposed.
引用
收藏
页码:61 / 67
页数:7
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