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EstimatingLcin carbon fibers

Authors
Journal
Carbon
0008-6223
Publisher
Elsevier
Publication Date
Volume
17
Issue
5
Identifiers
DOI: 10.1016/0008-6223(79)90051-4

Abstract

Abstract A procedure is described for estimating L c , the fibril dimension perpendicular to graphitic planes in carbon fibers. The procedure is based on a lubricostratic structural model. The model consists of graphitic planes, within which carbon atoms are arranged as in a graphite crystal. The horizontal component of the translation of neighboring planes is arbitrary. The distribution of the spacing, z, between nearest-neighboring graphitic planes is assumed to be represented by α 2( z− b) exp[− a( z− b)]. where z is restricted to values equal to or greater than b = 3.354 Å( = c 0 2 for graphite). This representation proves to be particularly advantageous, since both the number of such planes (hence L c ) and the distribution parameter, α can be determined from the {0002} reflection.

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