Plasma sprayed mullite coatings on silicon-base ceramics

Details Plasma sprayed mullite coatings on silicon-base ceramics Plasma sprayed mullite coatings on silicon-base ceramics

1993-03-15

1995-02-21

Beck, Shrive

Coating processes

Spray coating utilizing flame or plasma heat

Silicon containing coating

427453, 427309, B05D 108

Patent

active

053914040

ABSTRACT:
A silicon-base ceramic substrate is provided with a mullite coating by flame-spraying heated crystalline mullite powders onto a substrate that is preheated to a temperature in excess of 800.degree. C. The mullite immediately crystallizes as it solidifies.

REFERENCES:
patent: 3617358 (1971-11-01), Dittrich
patent: 4039480 (1977-08-01), Watson et al.
patent: 4460654 (1984-07-01), Interrante
patent: 4528038 (1985-07-01), Williams
patent: 4554186 (1985-11-01), Williams
patent: 4921721 (1990-05-01), Matsui et al.
patent: 4963436 (1990-10-01), Jones et al.
Metco Research-Development Powders, pp. 1-3 Jul. 1963.

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