Plastic and nonmetallic article shaping or treating: processes – Treating shaped or solid article
Patent
1993-02-03
1995-10-24
Bell, Janyce
Plastic and nonmetallic article shaping or treating: processes
Treating shaped or solid article
264 56, 427215, 427331, 4274193, B29C 7100
Patent
active
054607701
ABSTRACT:
An article is provided which has a surface which is contactable in use with water at a temperature of at least 100.degree. C. The surface of the article is protected from attack by the water, because it is formed of a shaped fired ceramic material which is formed from particulate zirconia having a coating on the particles thereof of a hydrous oxide of yttrium and optionally also a hydrous oxide of zirconium, titanium or aluminum. Preferably the particles have a diameter of not more than 0.5 micron and the amount of hydrous oxide of yttrium falls within the range 0.5 to 10 mole percent as Y.sub.2 O.sub.3 on moles of zirconia. Typical articles are internal combustion engines and parts thereof, mills and impact plates therefor, and pump surfaces. Fuel cells are also described.
REFERENCES:
patent: 253344 (1882-02-01), Chichester
patent: 3066391 (1962-12-01), Vordahl
patent: 3926567 (1975-12-01), Fletcher et al.
patent: 3989872 (1976-11-01), Ball
patent: 4018388 (1977-04-01), Andrews
patent: 4266979 (1981-05-01), Miyoshi et al.
patent: 4495907 (1985-01-01), Kamo
patent: 4504017 (1985-03-01), Andrews
patent: 4582766 (1986-04-01), Isenberg et al.
patent: 4599270 (1986-07-01), Rangaswamy et al.
patent: 4626518 (1986-12-01), Watanabe et al.
patent: 4671740 (1987-06-01), Ormiston et al.
patent: 4719091 (1988-01-01), Wusirika
patent: 4792098 (1988-12-01), Haddow
patent: 4820593 (1989-04-01), Egerton et al.
patent: 4847172 (1989-07-01), Maskalick et al.
patent: 4851293 (1989-07-01), Egerton et al.
patent: 4985379 (1991-01-01), Egerton et al.
Toyosoda Manufacturing Co. Ltd., TSK Ceramics Tech. Bulletin.
R. Stevens, "Zironia And Zironia Ceramics," Second Edition, pp. 28-31, Jul., 1986.
Dransfield Graham P.
Egerton Terence A.
Fothergill Kevin A.
Bell Janyce
Tioxide Group PLC
LandOfFree
Method for protecting shaped articles from attack by water does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for protecting shaped articles from attack by water, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for protecting shaped articles from attack by water will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1884654