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Paper Information

Journal:   IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING   FALL 2010 , Volume 7 , Number 4; Page(s) 1 To 7.
 
Paper: 

EFFECTS OF CO-DEPOSITION OF CR2O3 AND MOS2 ON CORROSION PROPERTIES OF NANOCOMPOSITE ELECTROLESS NICKELCOATING

 
 
Author(s):  ESLAMI RAD N.*, DEHGHANIAN CH.
 
* DEPARTMENT OF METALLURGY AND MATERIALS ENGINEERING, FACULTY OF ENGINEERING, UNIVERSITY OF TEHRAN, TEHRAN, IRAN
 
Abstract: 

Electroless Nickel (EN) composite coatings embedded with Cr2O3 and/or MoS2 particles were deposited to combine the characters of both Cr2O3 and MoS2 into one coating in this study. The effects of the co-deposited particles on corrosion behavior of the coating in 3.5% NaCl media were investigated. The results showed that both Ni-P and Ni-P composite coatings had significant improvement on corrosion resistance in comparison to the substrate. Codeposition of Cr2O3 in coating improved corrosion characteristic but co-deposition of MoS2 decreased corrosion resistance of the coating.

 
Keyword(s): ELECTROLESS NICKEL, COMPOSITE COATING, CR2O3, MOS2, CORROSION RESISTANCE, POLARIZATION, IMPEDANCE
 
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