Progress of silicon carbide fibers and their application to ceramic matrix composites

Conference Dates

November 5-9, 2017


Silicon carbide fibers have high strength and high modulus and they are provided with flexible, multi-filament yarn. Durability test was demonstrated to provide superior property among kinds of ceramic fibers under heat and stress in oxidative environment (Figure 1). It was in 1975 that SiC fiber was invented by converting organosilicon polymer into ceramics by pyrolysis. Thereafter Nippon Carbon industrialized SiC fiber, NicalonTM, in 1983.

Developing the next-generation SiC fibers has been continued. At first, the improved heat-resistant SiC fiber by reduced oxygen content has been developed. Next, the fiber with higher modulus and improved creep resistance has been developed by means of near-stoichiometric SiC composition and higher crystallinity, named Hi-Nicalon Type S.

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