Low frictional ceramic material for sliding member

Details Low frictional ceramic material for sliding member Low frictional ceramic material for sliding member

1997-03-10

1999-02-02

Marcantoni, Paul

Compositions: ceramic

Ceramic compositions

Refractory

501152, 501153, C04B 3510

Patent

active

058664912

ABSTRACT:
A low frictional ceramic material for sliding member, consists essentially of oxide of aluminum (Al) and oxide of zirconium (Zr) and contains oxide of cerium (Ce). Aluminum (Al) content is 50 to 75 wt. % in terms of alumina (Al.sub.2 O.sub.3), zirconium (Zr) content is 20 to 45 wt. % in terms of zirconia (ZrO.sub.2), and cerium (Ce) content is 3 to 20 wt. % in terms of ceria (CeO.sub.2)in said low frictional ceramic material for sliding member.
Instead of oxide of aluminum (Al) and oxide of zirconium (Zr), it is capable to use a .alpha.-sialon.

REFERENCES:
patent: 4506020 (1985-03-01), Butler et al.
patent: 5556270 (1996-09-01), Komine et al.
patent: 5645618 (1997-07-01), Monroe et al.
"Effect of Yttria and Ceria on Mechanical Properties and Oxidation Behavior of .alpha.-sialon Ceramics" Lee et al. Yoop Hakhoechi(1993), 30 (11) pp. 941-948.

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