In this study, a hybrid plasma spraying process is used to produce particle-reinforced metal-matrix composite coatings on 316 stainless steel. Two injectors are mounted at the output of the plasma gun, one feeding a nickel-base alloy powder, the other feeding a suspension of alumina nanoparticles. Different feed rates, suspension compositions, and alumina particle contents are used and their effects on microstructure, microhardness, porosity, adhesion, and wear behavior are assessed.

316L stainless steel, alumina nanoparticle suspension, microstructure, nickel-chromium-boron alloys
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2016
DVS Media GmbH
Topics
Microstructure Nanostructure Nickel-chromium alloys Alumina ceramics Suspension plasma spray coating Plasma spray coating
Issue Section:
Plasma Spraying
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