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DEPOSITION BEHAVIOR OF WC-17Co COLD-SPRAYED COMPOSITE COATING ON HYDRO TURBINE STEELS

    https://doi.org/10.1142/S0218625X25500209Cited by:2 (Source: Crossref)

    Cold spraying is a promising technique for depositing wear-resistant coatings on components like hydroturbine steels. This paper highlights the feasibility of hard WC-17Co coating on 13Cr4Ni hydroturbine steel. The coating was deposited at 25, 30, and 40 bar at 800C and 50 bar at 900C. Further, different characterization techniques (SEM, XRD) were used to analyze the developed coatings. The Vicker hardness testing was employed to determine the hardness of the coated sample. It was observed that WC-17Co coatings deposited at 40 bar and 800C offered a maximum hardness of up to 275 Hv, which is an excellent quality for anti-wear applications in hydro turbine blades.