High temperature resistant structure

Details High temperature resistant structure High temperature resistant structure

1991-04-15

1994-02-01

Turner, A. A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428212, 428408, 428472, 428698, 428704, C30B 3500

Patent

active

052831094

ABSTRACT:
A high temperature resistant structure which is capable of withstanding temperatures well in excess of 2500 degrees Fahrenheit in oxidizing environments for periods of at least several hours. A high temperature resistant substrate such as carbon carbon composite is coated in situ with very thin alternate layers of silicon carbide and a carbide formed from hafnium or zirconium. The coating is preferably formed using chemical vapor deposition procedures.

REFERENCES:
patent: 4487799 (1984-12-01), Galasso et al.
Stife et al "Ceramic Coatings for Carbon-Carbon Composites" Ceramic Bulletin, vol. 67, No. 2, 1988, pp. 368-374.

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