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US 4,753,094 AGranted
Apparatus and method of powder-metal peen coating metallic surfaces
OwnerRichard L. Spearsinventor
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Abstract
An apparatus and method for thin film coating a substrate comprising spraying a stream of molybdenum disulfide powder mixed with steel shot at a predetermined velocity against the substrate, the velocity being sufficient, when impacting the substrate, to bond minute plate-like particles of molybdenum disulfide to the substrate and form a friction reducing surface thereon.
Claims1
The method of lubricant coating a substrate with a compound consisting of:
- (a) providing a quantity of molybdenum disulfide as a powder form dry lubricant;
- (b) providing a quantity of steel shot of predetermined mass;
- (c) commingling the molybdenum disulfide and steel shot to form a coating mix;
- (d) continuously agitating the coating mix;
- (e) maintaining a desired range of relative humidity surrounding the coating mix by heating air, surrounding the coating mix, to a temperature of approximately 20.degree. F. above ambient temperature;
- and,
- (f) impacting a stream of the coating mix on the substrate at a predetermined velocity for a predetermined period of time for fusing and burnishing a portion of the dry lubricant on the substrate.
4 more elements
Dependencies are inferred from the claim text.