Specialized metallurgical processes – compositions for use therei – Compositions – Loose particulate mixture containing metal particles
Patent
1992-09-21
1999-04-20
MacMillan, Keith D.
Specialized metallurgical processes, compositions for use therei
Compositions
Loose particulate mixture containing metal particles
75252, C10M10306, B22F 102
Patent
active
058956034
ABSTRACT:
An oil additive for repairing abrasions and lubricating engine bearing surfaces is provided. A mixture of granular granulated alloy material and granular polytetrafluoroethylene (PTFE) are added to the engine or engine oil, with normal engine operations peening and burnishing the granulated metal alloy material granules to the surfaces to thereby form a matrix which entraps the PTFE granules. Continued operation of the engine gradually wears away particles of the matrix to uncover the embedded PTFE granules for slow release of granules. In one embodiment, about 1% to 2% by composition of the mixture is granules of titanium dioxide for preparing the bearing surfaces and enhancing additive performance. The granules of the mixture are micron to submicron in size and can adhere readily to surface abrasions and smooth surfaces.
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Creighton Wray James
MacMillan Keith D.
Narasimhan Meera P.
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