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VOLUME 56 (1992) | ISSUE 5 | PAGE 254
Fractal structure of carbon fibers
Small-angle neutron scattering by a cloth sample made of carbon fibers reveals that the fibers have a structure typical of bulk and surface fractals. The bulk fractal dimension D and the surface fractal dimension Ds are the same, D~DS~2J, within the experimental errors. These results can be explained in a natural way if it is assumed that the fibers of the cloth consist of fractal clusters with a dimension о D ~ 2.7 and a radius Rc ~ 200-400 A which are formed from carbon particles of о radius r0~ 18 A.