Ceramic composition for coating surgical and dental instruments

Details Ceramic composition for coating surgical and dental instruments Ceramic composition for coating surgical and dental instruments

1997-04-07

1998-09-01

Marcantoni, Paul

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

75240, 75242, 51309, C04B 3556

Patent

active

058011102

ABSTRACT:
The working surfaces of dental and surgical instruments are coated with a ceramic material formed by plasma spraying of a composition including a cemented carbide matrix and a ceramic dispersion to form a hardened surface with improved gripping ability. The cemented carbide matrix preferably contains tungsten and/or chromium carbide and/or cobalt. The ceramic dispersion preferably consists of alumina or other oxides.

REFERENCES:
patent: 2471016 (1949-05-01), Westmoreland-White
patent: 3711171 (1973-01-01), Orkin et al.
patent: 3843375 (1974-10-01), Murata
patent: 4063908 (1977-12-01), Ogawa et al.
patent: 4366254 (1982-12-01), Rich et al.
patent: 4425141 (1984-01-01), Buljan et al.
patent: 5069872 (1991-12-01), Penoza
"New Types of Cutting Tools" Gane, J. Aust Inst. Met (1976), 21(1) pp. 24-31.

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