| 摘要 |
<p>An improved plasma spray powder composition for producing bearing surface alloy on a metal substrate, e.g. cast iron, is 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. The composition of the powder is within the range:- Element Wt.% Mo 10-25 Si 0.4-6.0 Mn 0-0.4 C 0-4.0 Organic Binder 0-2.5 Fe 70-87.6 totalling 100%.</p> |
