Corpuscular energy beam produced microasperities

Details Corpuscular energy beam produced microasperities Corpuscular energy beam produced microasperities

1975-11-17

1977-09-13

Satterfield, Walter R.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148 39, 29 90R, C21D 106, C22C 3500

Patent

active

040479846

ABSTRACT:
A method and apparatus for producing microasperities for enhancing lubrication is provided. A pulsed laser beam or other heat source having high resolution with respect to time and space is focused onto a surface such as a thrust bearing surface to produce an array of microasperities of controlled size, shape and density. The staggered ramp shaped asperities produce an enhanced lubrication effect.

REFERENCES:
patent: 3633010 (1972-01-01), Svetlichny
patent: 3650846 (1972-03-01), Holland et al.
patent: 3656988 (1972-04-01), Steffan et al.
patent: 3756870 (1973-09-01), Kasper et al.
patent: 3945893 (1976-03-01), Ishimori et al.
Hamilton et al., Theory of Lubrication by Micro-Irregularities, in Trans. Asme; Mar. 1966, pp. 177-189.
Otto; D., Triangular Asperites Control ... Lubrication; in SAE JOURN; Detroit, Feb. 1974, pp. unmarked.
Batelle Research Outlook: Technology of Rubbing Surfaces, vol. 1, Feb. 1969, pp. 26-28.
Anno et al., Microasperity Lubrication, in Journ. Lub. Tech., (Trans, Asme) Apr. 1968, pp. 351-355.

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