Method for making a composite aluminum article

Details Method for making a composite aluminum article Method for making a composite aluminum article

1994-03-01

1995-08-08

Walsh, Donald P.

Coating processes

Immersion or partial immersion

Metal base

427435, 427436, B05D 118

Patent

active

054397120

ABSTRACT:
A method for making a composite aluminum article comprises the steps of electrochemically or chemically adsorbing fine particles of a polytetrafluoroethylene to the surface of a hard anodic oxide film of an aluminum material or an aluminum alloy material, and drying the aluminum material or the aluminum alloy material. Thereafter, the aluminum material or the aluminum alloy material and an opposite member which slides along the aluminum material or the aluminum alloy material are rubbed together, and a lubricating film is thereby formed.

REFERENCES:
patent: 3533920 (1970-10-01), Covino et al.
patent: 4302374 (1981-11-01), Helle et al.
patent: 4623590 (1986-11-01), Hodes et al.
Patent Abstracts of Japan, vol. 13 No. 286 (C-613)(3634) 29 Jun. 1989 & JP-A-01 079 398 (Toyota Motor Corp).
Covino "Slippery, steel-hard coatings for metals" Machine Design, vol. 49, No. 19, 25 Aug. 1977, pp. 75-79.

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