Volume 10, Issue 4 (december 2013)                   IJMSE 2013, 10(4): 49-57 | Back to browse issues page

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Z. Shahri, S. R. Allahkaram. STUDY ON CORROSION BEHAVIOR OF COBALT NANO COMPOSITE COATINGS. IJMSE 2013; 10 (4) :49-57
URL: http://ijmse.iust.ac.ir/article-1-607-en.html
STUDY ON CORROSION BEHAVIOR OF COBALT NANO COMPOSITE COATINGS
Z. Shahri , S. R. Allahkaram
Abstract:   (23546 Views)
Metal matrix nano composite coatings possess enhanced properties such as corrosion and wear resistance. This paper aims to study the corrosion behavior of pure Co and Co-BN nano composite coatings deposited with different particles concentration (5-20 g L-1) on copper substrates using electroplating technique. Morphology and elemental compositions of the coatings were investigated by means of scanning electron microscope (SEM) equipped with an energy dispersive spectroscopy (EDS). The corrosion behavior was analyzed in a 3.5 wt% NaCl via polarization and impedance techniques. The results obtained in this study indicate that the co-deposition of BN nano particles improved corrosion resistance of electrodeposited cobalt coatings.
Keywords: Corrosion; Electroplating; Polarization; Impedance.
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Type of Study: Research Paper | Subject: materials engineeing and special subjects
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