Method of coating a ceramic body

Details Method of coating a ceramic body Method of coating a ceramic body

1994-05-17

1995-06-06

Bell, Janyce

Coating processes

Nonuniform coating

Deforming the base or coating or removing a portion of the...

4272481, 427249, 427255, 427277, 427287, 427290, 427292, 427370, 427585, B05D 312

Patent

active

054221404

ABSTRACT:
There is now provided a method of manufacturing a coated ceramic body with improved performance when used as a tool insert for metal cutting purposes. By subjecting the body after the coating to a hot isostatic pressing operation at a pressure of 10-300 MPa and a temperature of >1200.degree. C., an improved adherence of the coating has been achieved. The method is particularly applicable to whisker-reinforced ceramic composites.

REFERENCES:
patent: 4332458 (1982-03-01), Siebmanns
patent: 4539231 (1985-09-01), Betz et al.
patent: 4619866 (1986-10-01), Smith et al.
patent: 4801510 (1989-01-01), Mehrotra et al.
patent: 4820663 (1989-04-01), Mehrotra et al.
patent: 4997683 (1991-03-01), Wright

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