Apparatus and method of powder-metal peen coating metallic surfaces
First Claim
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1. 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°
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.
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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.
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Citations
1 Claim
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1. The method of lubricant coating a substrate with a compound consisting of:
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(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°
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.
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Specification