Development of Corrosion Resistance Coating for AISI 410 Grade Steel

Abstract:

In this present research work, corrosion behaviour of grit blasted AISI 410 steel substrate coated with NiCr/Al₂O₃,NiCr/ZrO₂ particles was investigated using salt spray test as per ASTM B117. Coatings were prepared using air Plasma spray process. Nickel chromium was used as bond coat for obtaining good fastening between the base metal and coated particles. The microstructures of the coated and un-coated specimens were characterized using scanning electron microscope and optical microscope. Distribution coated particle was found uniform throughout the steel substrate was revealed from SEM microphotographs. The obtained results shows significant improvement in corrosion resistance and micro hardness for NiCr/Al₂O₃ and NiCr/ZrO₂ coating deposited on steel by plasma spray process than the as sprayed base steel substrates.

• Periodical: Applied Mechanics and Materials (Volumes 813-814)
• Pages: 135-139
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.813-814.135
• Online since: November 2015
• Authors: K.G. Girisha*, R. Rakesh, C. Durga Prasad, K.V. Sreenivas Rao
• Keywords: Coatings, Corrosion Resistance, Plasma Spray

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