Nickel catalyzed carbon infiltration of carbon fiber substrates

Details Nickel catalyzed carbon infiltration of carbon fiber substrates Nickel catalyzed carbon infiltration of carbon fiber substrates

1992-08-14

1994-05-17

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428408, 427249, 4272551, D04H 158

Patent

active

053126793

ABSTRACT:
A catalytic carbon formation technique in a carbon fiber substrate is disclosed. The carbon fiber substrate is first impregnated with a catalyst and is thereafter heated in an atmosphere rich in carbon and hydrogen. The catalyst is typically a Group VIII metal and may be selected from the group consisting of iron, nickel and cobalt. An incipient wetness technique for impregnating the substrate is also disclosed. A salt of the catalyst is provided in solution and void volume of the substrate is determined. The carbon fiber is then impregnated with a volume of the solution which is incrementally less that the determined void volume.

REFERENCES:
patent: 5202158 (1993-04-01), Sakagami et al.
patent: 5215689 (1993-06-01), Shioyama et al.

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