Manufacturing Industry
RESEARCH ALERT
Advanced Composites Bulletin, February, 1993
Control of texture in pitch-based carbon fibres
The properties of pitch-based carbon fibres are closely linked to the texture developed in the fibre during the various steps in its production. A research team at Kyushu University, in Japan, has explored methods of controlling the fibre texture by varying the shape of the spinning nozzle used to produce the fibre, in combination with a variety of melt spinning and heat treatment temperatures ('Control of transversal texture in circular mesophase pitch-based carbon fibre using non-circular spinning nozzles', by I. Mochida, S.H. Yoon, Y. Korai, J. Mat. Sci., to be published in 1993). Circular, slit and Y-shaped nozzles have been used with spinning temperatures ranging from 265-295degreeC and heat treatment...
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