Process for producing silicon carbide nozzle

Details Process for producing silicon carbide nozzle Process for producing silicon carbide nozzle

1993-10-21

1995-04-18

Fiorilla, Christopher A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156242, 156294, 228131, 2282622, 264 60, 264 81, B29C 4100, B29C 1300

Patent

active

054075033

ABSTRACT:
A tube is formed from a polycrystalline silicon carbide having a density of from 3.18 to 3.21 g/cm.sup.3, a maximum impurity content of 20 ppm, and imperviousness to fluids by a process which comprises precipitating the silicon carbide on the surface of a rod-shaped graphite structure by a chemical vapor-phase synthesis method and thereafter removing the graphite structure. A water-jet nozzle of high resistance to abrasive wear can be produced by using this tube as an inner tube thereof to form the flow path for a water jet to be ejected therethrough.

REFERENCES:
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patent: 4401729 (1983-08-01), Claussen
patent: 4500483 (1985-02-01), Veltri et al.
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patent: 4861533 (1989-08-01), Bertin et al.
patent: 4999228 (1991-03-01), Matsumoto
patent: 5011566 (1991-04-01), Hoffman
Ceramic Engineering and Science Proceedings, vol. 8, Nos. 7-8, Jul.-Aug., pp. 958-967, P. Regan et al.: "CVD Silicon Carbide Components".
Chemical Abstracts, vol. 71, No. 22, 1st Dec. 1969, Abstract No. 104773m, E. L. Kern et al. "Fabricating silicon carbide parts by chemical vapor deposition".

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