Gas-tight article and a producing process thereof

Details Gas-tight article and a producing process thereof Gas-tight article and a producing process thereof

1998-03-25

2000-05-16

Jones, Deborah

Stock material or miscellaneous articles

Composite

Of inorganic material

428545, 4285395, 4283126, 501 88, B32B 1900, B21F 2900, C04B 3806

Patent

active

060635142

ABSTRACT:
A gas-tight article includes a sintered body composed mainly of a silicon carbide, and a film of silicon carbide formed on a surface of the sintered body by chemical vapor deposition and covering said surface of the sintered body, wherein cracks are formed in the film of the silicon carbide, and the cracks are filled with metallic silicon.

REFERENCES:
patent: 3951587 (1976-04-01), Alliegro et al.
patent: 4795673 (1989-01-01), Frechette et al.
patent: 5229193 (1993-07-01), Madono et al.
patent: 5589116 (1996-12-01), Kojima et al.
patent: 5628938 (1997-05-01), Sangeeta et al.
patent: 5683824 (1997-11-01), Kobayashi et al.
patent: 5882807 (1999-03-01), Funato et al.
"Preparation and Mechanical Properties of CVD-SiC"; Proc. of International Symposium on Ceramic Components for Engine, 1983, Japan; K. Niihara, A. Suda and T. Hirai (The Research Institute for Iron, Steel, and Other Metals, Tohoku University, Sendai 980, Japan).

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