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Properties of Ni-W alloy coatings on steel substrate

Z. Gáliková, M. Chovancová, and V. Danielik

Department of Inorgarac Technology, Institute of Inorgarac Chemistry, Technology, and Materials, Faculty of Chemical and Food Technology, Slovak University of Technology, Radlinského 9, 812 37 Bratislava, Slovakia

 

E-mail: zuzana.galikova@stuba.sk

Received: 14 February 2006  Revised: 2 June 2006  Accepted: 8 June 2006

Abstract: Ni-W alloy coatings were prepared on the steel substrate at the temperature of 60°C. The content of tungsten in coatings was increased with the growing cathodic current density. The increase of the corrosion resistance of Ni-W alloy coatings with the rising content of tungsten was confirmed by the measurement of anodic polarization curves. Annealed coatings showed better antioorrosion properties than the non-annealed ones. The properties of annealed coatings including their corrosion resistance depend on the tungsten content, too.

Keywords: Ni-W alloys - electrodeposition - corrosion resistance - anodic polarization curves

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-006-0064-2

 

Chemical Papers 60 (5) 353–359 (2006)

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