Process for producing a sliding member and a process for produci

Details Process for producing a sliding member and a process for produci Process for producing a sliding member and a process for produci

1996-05-20

1998-06-02

Jenkins, Daniel J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making composite or hollow article

419 8, 419 27, 419 45, B22F 704

Patent

active

057615926

ABSTRACT:
A process for producing a sliding member employs a base material having a covering surface and pores, and a layer material comprising a constitutive component for reacting with a constitutive component of the base material. Initially, the layer material comes into contact with at least part of the covering surface of the base material. Next, the both are heated to the sintering temperature of the base material. Thus, a molten liquid occurs at the boundary between the base material and the layer material. Since the solidus temperature of the molten liquid increases with the reaction proceeding, the molten liquid can solidify early to seal the pores at the covering surface of the base material early. Therefore, the layer material remains on the covering surface of the base material, the remaining layer material comes to constitute a sliding surface.

REFERENCES:
patent: 4037522 (1977-07-01), Inoshita et al.
patent: 4505987 (1985-03-01), Yamada et al.
"Soviet Powder Metallurgy and Metal Ceramics", V.N. Eremenko et al., vol. 12, No. 7, Jul. 1973, pp. 565-568.
European Search Report dated Sep. 11, 1996 (2 pages).
Communication dated Sep. 24, 1996 (1 page).
Statement of Relevancy (1 page).

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