Pyrolytic Coating Of Carbon Filaments

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Report Number: ML TDR 64-297
Author(s): Zeitsch, K. J., Higgs, P. H.
Corporate Author(s): Union Carbide Corp Lawrenceburg Tenn
Laboratory: Air Force Materials Laboratory
Date of Publication: 1964-11
Pages: 151
Contract: AF 33(657)-11297
DoD Project: 7350
DoD Task: 735002
Identifier: AD0608764

Abstract:
A continuous process has been developed to coat the individual filaments of graphite yarn with pyrolytic graphite. The pyrolytic coating increased the strengthto-weight ratio of the filaments by a factor of 1.3 and acted as a sizing on the yarn to make weaving easier. Tapes woven from the coated yarn showed a load distribution factor as high as 0.9. On the basis of these studies, suggestions for extensions of this work are made.

Provenance: Lockheed Martin Missiles & Fire Control

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