Ferrous metal body coated with an alloy formed by an iron/silicon extended molybdenum plasma spray powder
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United States of America Patent
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Feb 17, 1981
Issued Date -
N/A
app pub date -
Aug 23, 1979
filing date -
Aug 23, 1979
priority date (Note) -
Expired
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Abstract
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 be present in the powder. When plasma sprayed, these powders yield a coating on a metal substrate, e.g. a cast iron piston ring, which is wear and scuff resistant.
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