Zirconia based ceramic article as wear-resistant exterior part f

Details Zirconia based ceramic article as wear-resistant exterior part f Zirconia based ceramic article as wear-resistant exterior part f

1997-12-10

1999-07-27

Marcheschi, Michael

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501103, 428404, 428698, 427215, 427569, 427577, C04B 3548, C04B 35486, C04B 4180

Patent

active

059289775

ABSTRACT:
The invention concerns a zirconia based ceramic article having a core of ZrO2 and/or partially reduced ZrO2, characteriZed in that it includes, over at least part of its surface, a superficial layer integral with said article, the thickness of said superficial layer including a plurality of regions of which one external region is formed of zirconium carbide having a metallic appearance.

REFERENCES:
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patent: 5298333 (1994-03-01), Maixner et al.
patent: 5549976 (1996-08-01), Abiven et al.
Patent AbstractS of Japan vol. 014, No. 431 (C-0759), Sep. 17, 1990 & JP 02 167875 A (Toray IND Inc), Jun. 28, 1990 & Database WPI Week 9032 AN 90-242230 & JP 92 167 875.
Database WPI Week 8348 Derwent Publications Ltd., London, GB; AN 83-830509 XP002031841 & JP 58 181 766 A (Toray), Oct. 24, 1983.
Database WPI Week 8230 Derwent Publications Ltd., London, GB; AN 82-62489e XP002031842 & JP 57 098 671 A (Suwa Seikosha), Jun. 18, 1982.
Applied Surface Science, vol. 31, -31 Dec. 1988 Amsterdam, NL, pp. 471-476, XP002031840 D.L. Cocke et al.

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