Paper Title:
Oxidation Resistance of Ni-Co-ZrO2 Composite Coatings
  Abstract

Ni-Co alloy and ZrO2 particles were successfully codeposited on middle carbon steel substrate by electrodeposition. The oxidation resistance was evaluated by weight gains during high temperature oxidation test. The results indicate that, when the oxidation temperature is 573 K or 873 K, middle carbon steel, Ni-Co coating and Ni-Co-ZrO2 composite coating show lower weight gain. While the temperature is up to 1173 K, Ni-Co-ZrO2 composite coating possesses better oxidation resistance than Ni-Co coating and 45 steel. The reason may be that, the dispersive ZrO2 particles in the Ni-Co matrix reduce the effective area of Ni-Co alloy contacting with ambient oxygen, and new phases like NiO and CoO further prevent inward oxygen diffusion.

  Info
Periodical
Chapter
Chapter 2: Frontiers of Materials Science and Engineering
Edited by
Ran Chen
Pages
799-803
DOI
10.4028/www.scientific.net/MSF.694.799
Citation
W. C. Sun, "Oxidation Resistance of Ni-Co-ZrO2 Composite Coatings", Materials Science Forum, Vol. 694, pp. 799-803, 2011
Online since
July 2011
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Price
$35.00
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