Jpn. J. Appl. Phys. 16 (1977) pp. 1519-1523  |Next Article|  |Table of Contents|
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High Resolution Electron Microscopy of Graphitizable Carbon Fiber Prepared by Benzene Decomposition

Morinobu Endo, Agnès Oberlin and Tsuneo Koyama1

Laboratoire Mathieu, ER 131 du C.N.R.S., Université d'Orléans
1Shinshu University, Faculty of Engineering

(Received February 16, 1977; revised June 9, 1977)

Carbon fiber prepared by thermal decomposition of benzene at 1100°C was stepwise heat-treated in a temperature range up to 2800°C, and was studied by high resolution electron microscopy. In the range of heat treatment temperature below 1960°C, carbon layers are stacked in the turbostratic fashion, though their size indicates some growth. Above 1960°C, dewrinkling of the carbon layers takes place, and finally at 2800°C the fiber is formed by concentric polyhedral crystals of graphite. The mechanical and electrical properties of the graphitic fiber are accounted for on this basis.

URL: http://jjap.jsap.jp/link?JJAP/16/1519/
DOI: 10.1143/JJAP.16.1519


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