Amorphous carbon-coated carbon fabric wet friction material

Details Amorphous carbon-coated carbon fabric wet friction material Amorphous carbon-coated carbon fabric wet friction material

1996-12-17

1999-09-14

Weisberger, Richard

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Coated or impregnated inorganic fiber fabric

442172, 442178, 442148, 428220, 4283191, 4283277, 428408, 428409, 428698, 4277088, 427228, 4274192, 4274196, 4274197, B32B 900, B05D 500, C01B 3100

Patent

active

059522496

ABSTRACT:
The present invention provides a novel amorphous carbon-coated carbon fabric which comprises a single ply of a woven carbon fabric comprising interwoven strands of yarn. The yarn strands are formed of bundles of individual fibers and have amorphous carbon disposed between the individual fibers.
The present invention also relates to a method of forming an amorphous carbon-coated carbon fabric. The method comprises the steps of (1) impregnating a woven carbon fabric with a resin; and (2) heating the resulting resin-impregnated carbon fabric to a temperature which is sufficient to char the resin to form a residue of amorphous carbon, thereby forming an amorphous carbon-coated carbon fabric material.

REFERENCES:
patent: 3624717 (1971-11-01), Brubaker
patent: 3831462 (1974-08-01), Baremor
patent: 3944686 (1976-03-01), Froberg
patent: 4700823 (1987-10-01), Winckler
Smith, W.H. and Leeds, D.H., "Pyrolytic Graphite," Modern Materials, 7: 162 (1970).
Kliner, K.M., Anderson, D.P., and Naughton, T.D.; "Process Relationship as Influenced by Carbonization Rate," Jun. 1993: i/ii and 1-4, NSN 7540-010280-5500.

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