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NiP/SiC composite coatings: the effects of particles on the electrochemical behaviour

Malfatti, Célia de Fraga and Zoppas Ferreira, Jane and Santos, C.B and Souza, B.V and Fallavena, E.P and Vaillant, S. and Bonino, Jean-Pierre NiP/SiC composite coatings: the effects of particles on the electrochemical behaviour. (2005) Corrosion Science, vol. 4 (n° 3). pp. 567-580. ISSN 0010-938X

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Official URL: http://dx.doi.org/10.1016/j.corsci.2004.07.011

Abstract

NiP/SiC (17 at.% P) composite coatings were prepared by electrodeposition from a Brenner type plating bath containing SiC particles. Cyclic voltammetry and immersion time were used to evaluate the electrochemical behaviour of these coatings. The results showed that the presence of SiC particles in NiP alloy increased corrosion properties, because the exposed area of the metallic matrix was reduced due to its recovering by SiC particles. However, the current densities developed by the NiP/SiC composite coatings increased with increasing amount of incorporated particles, and such effect is more remarkable for small particles, after heat treatment and when the systems are polarized.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Corrosion science website : http://www.sciencedirect.com/science/journal/0010938X
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
Other partners > Universidade Federal do Rio Grande do Sul - UFRGS (BRAZIL)
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Deposited By: Thomas Bonnecarere
Deposited On:28 Aug 2008 13:11

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