HIGH TEMPERATURE COROSSION BEHAVIOUR OF Ni-BASED THERMAL SPRAY COATINGS: A REVIEW
Sukhpal Singh Chatha; Rakesh Bhatia; Hazoor S. Sidhu
National Conference on Advancements and Futuristic Trends in Mechanical and Materials Engineering (AFTMME 2010)
abstract：High temperature corrosion is chemical deterioration of a material under very high temperature conditions. This non-galvanic form of corrosion can occur when a metal is subject to a high temperature atmosphere containing oxygen, sulfur or other compounds capable of oxidising the material concerned. Nickel-Chromium coatings provide a way of extending the limits of use of materials at the upper end of their performance capabilities, by protecting them against wear or corrosion. This paper reviews the developments and applications of these thermal spray coatings for corrosion/ erosion-corrosion under different types of environments.
keywords：NiCr, hot corrosion, thermal spray, oxidation, erosion
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