C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 11/18 (2006.01) C25D 11/20 (2006.01) F04C 18/02 (2006.01)
Patent
CA 2075392
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.
L'invention concerne une méthode visant à fabriquer un article composite d'aluminium. Elle consiste en les étapes suivantes : adsorption électrochimique ou chimique de fines particules de polytétrafluoréthylène à la surface d'une pellicule dure d'oxyde anodique d'un matériau d'aluminium ou d'alliage d'aluminium, et séchage de ce matériau d'aluminium ou d'alliage d'aluminium. Ensuite, le matériau d'aluminium ou d'alliage d'aluminium et un élément opposé coulissant le long du matériau d'alliage ou d'alliage d'aluminium sont frottés l'un contre l'autre, ce qui entraîne la formation d'un film lubrifiant.
Hattori Takeshi
Inoguti Kazuhiko
Nakagishi Yutaka
Ohyama Yukio
Sakaguchi Masaaki
Fetherstonhaugh & Co.
Mitsubishi Jukogyo Kabushiki Kaisha
Okuno Chemical Industries Co. Ltd.
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