D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
18/6
D01F 9/10 (2006.01) D01F 9/127 (2006.01)
Patent
CA 1245816
REGULATION OF PYROLYSIS METHANE CONCENTRATION IN THE MANUFACTURE OF GRAPHITE FIBERS Abstract of the Disclosure In a preferred embodiment, graphite fibers are grown on a suitably nucleated ceramic surface by passing a methane gas stream over the surface at an elevated temperature. Initially, the methane concentration in the gas stream is adjusted to between 5 and 15 volume percent to form microscopic carbon filaments. Thereafter, the methane concentration is increased to above 25 volume percent to thicken the filaments into fibers.
485059
Devour Michael G.
Tibbetts Gary G.
General Motors Corporation
Gowling Lafleur Henderson Llp
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