High temperature resistant reticulated foam structure and proces

Details High temperature resistant reticulated foam structure and proces High temperature resistant reticulated foam structure and proces

1991-07-16

1992-10-13

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428408, 4283126, 4283122, 428216, 428699, 427249, 4272557, B32B 326, C23C 1600

Patent

active

051549700

ABSTRACT:
A high temperature resistant reticulated porous foam structure for use as a diesel emission particulate trap. A reticulated porous foam substrate which is capable of maintaining its structural integrity at temperatures in excess of approximately 2500, and preferably 2700, degrees Fahrenheit is coated with a formed in situ oxidation resistant coating which extends substantially throughout the interstices of the porous foam structure. The coating comprises very thin alternate layers of silicon carbide and a carbide formed from a Group IVA metal which has a melting point in excess of approximately 1850 degrees Centigrade.

REFERENCES:
patent: 4863798 (1989-09-01), Arenz et al.

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