广东费飘职业故本学院 Guangdong Inatitute of Textile Technology Carbon fiber manufacturing processes Rayon based carbon fibers Stabilization at 400 c in o depolymerization aromatization Carbonization at 400-700 c in an inert atmosphere Stretch and graphitization at 700- 2800C(improve orientation and increase crystallinity by 30-50%)Carbon fiber manufacturing processes ◼ Rayon based carbon fibers Stabilization at 400°C in O2 , depolymerization & aromatization Carbonization at 400-700°C in an inert atmosphere Stretch and graphitization at 700- 2800°C (improve orientation and increase crystallinity by 30-50%)