WSi2 and Cr3C2–Ni composite powders were applied to AISI 321 and 347, and Nimonic 80 A substrates by the plasma spray process in a nontransferred arc mode. The adhesive shearing strength, the adhesive tensile strength, and the fatigue resistance of the coatings were evaluated. The wear properties of the two coatings on AISI 347 and pin‐on‐disk tests were compared. Corrosion resistance of the two coatings was determined in 1n‐H2SO4 by current density‐potential diagrams.

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