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Corrosion Behavior of Silicon Carbide/7091 Aluminum Matrix Composites
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  • Journal title : Corrosion Science and Technology
  • Volume 11, Issue 4,  2012, pp.108-111
  • Publisher : The Corrosion Science Society of Korea
  • DOI : 10.14773/cst.2012.11.4.108
 Title & Authors
Corrosion Behavior of Silicon Carbide/7091 Aluminum Matrix Composites
Kang, Wooseung;
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The effects of volume fraction (15-30%) of SiC particulate reinforcements on the corrosion behavior of SiCp/7091 Al composites in the 3.5% NaCl solution were studied by electrochemical techniques and scanning electron microscopy. The results showed that the amount of SiC particulate reinforcements did not cause much difference in the corrosion behavior of SiCp/7091 Al composites but the corrosion rate was proportional to the amount of SiCp reinforcement. And numerous pits and severe dissolution of the matrix was observed probably due to the discontinuities and galvanic effects between Al matrix and SiC reinforcements.
composites;reinforcements;corrosion potential;polarization resistance;pitting;
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