There is provided an improved plasma spray powder composition for producing bearing surface alloy on a metal substrate, e.g. cast iron, said powder being characterized by the presence therein of a substantial amount of iron, molybdenum and a relatively small amount of silicon. Carbon may also desirably...http://www.google.de/patents/US4251599?utm_source=gb-gplus-sharePatent US4251599 - Ferrous metal body coated with an alloy formed by an iron/silicon extended molybdenum plasma spray powder
