HVOF-sprayed tungsten carbide coatings are materials of choice to replace electrolytic hard chrome in corrosion and wear environments. This paper evaluates different WC-10Co-4Cr powders for HVOF spraying using propylene as combustion gas. Five commercially available powders are applied using various process parameters. The results show that the choice of powder has the greatest influence on layer quality. Paper includes a German-language abstract.

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