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X-Ray Diffraction Studies of Structural Dimensionality in Carbon Fibers

Published online by Cambridge University Press:  15 February 2011

James Stamatoff ,
Harris Goldberg  and
Ilmar Kalnin
James Stamatoff
Affiliation:
Celanese Research Company, 86 Morris Ave., Summit, N.J. 07901, USA
Harris Goldberg
Affiliation:
Celanese Research Company, 86 Morris Ave., Summit, N.J. 07901, USA
Ilmar Kalnin
Affiliation:
Celanese Research Company, 86 Morris Ave., Summit, N.J. 07901, USA
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Abstract

Diffraction patterns of carbon fibers have been recorded photographically using monochromatized MoKα radiation. <001> and <hk0> reflections are observed for fibers pyrolyzed at lower temperatures. The absence of <hkl> reflections suggests that the graphite planes are turbostratic. A three-dimensional structural transition is manifest in the appearance of <hkl> reflections. The results suggest that the degree of three dimensionality increases progressively through the sample as a function of increasing temperature of pyrolysis. There is no evidence for coexistence of three dimensional and tubostratic phases. It is further demonstrated that turbostratic carbon fibers may be intercalated to stage two with AsF5.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 20: Symposium H – Intercalated Graphite , 1982 , 57
Copyright
Copyright © Materials Research Society 1983

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References

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