... fibres for carbon fibre formation, Nature, 1973, 243 ( 540 2), 146 1 54. Mathur, R. B., Bahl, 0. P. and Mittal, J., A new approach to thermal stabilisation of PAN fibres, Carbon, 1992,30 (4) , ... (X), 38 Cy) 1.75 WE ~@),O(Y) 542 (X), 21 cr), 6 (Z) - 1 .45 H/E 28(X),28cy) 247 (X), 3 24 Cy), 17 - 1. 84 S/CER 540 ,OCy) 46 6 (X), 142 Cy), 3 (Z) -1.5 (X), I8 cy) ... temperature, in particular, has been shown to greatly affect the degree of preferred orientation within the fiber [40 ,41 ] as well as its carbonized properties (42 ,43 1. Unfortunately, the...