Corrosion Behavior of Different Thermal Spray Coatings and Hard Chromium Electroplating on A286 Super Alloy

Elif Nazik Atabay Durul; Macid Nurbaş

doi:10.4028/www.scientific.net/AMR.154-155.226

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 154-155Corrosion Behavior of Different Thermal Spray...

Corrosion Behavior of Different Thermal Spray Coatings and Hard Chromium Electroplating on A286 Super Alloy

Abstract:

Electrodeposited hard chromium (EHC) coatings have been widely used for improving wear characteristics of engineering tools and components. In the electrodeposition processes, in general solutions containing hexavalent chromium have been used. Hexavalent chromium is classified as a carcinogen compound, which causes health risks if used in production, and environmental problems due to the toxic character of the wastes [1]. In the present study plasma sprayed coatings (aluminum oxide, Co-28Mo-8Cr-2Si, tungsten carbide, chrome carbide) and electrolytic hard chrome coatings corrosion resistances have been compared through electrochemical polarization tests and immersion test in 0.1 N HCl aqueous solution.

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Periodical:

Advanced Materials Research (Volumes 154-155)

Pages:

226-229

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.154-155.226

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Online since:

October 2010

Authors:

Elif Nazik Atabay Durul, Macid Nurbaş

Keywords:

Corrosion, Electrodeposited Hard Chrome, Immersion, Polarisation, Thermal Spray

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