Abstract
ZrC precursor fibers were prepared from a paste of 75% zirconium-containing polymer and 25% toluene by centrifugal melt-spinning. This process can rapidly and conveniently produce fibers at a low spinning temperature (60 °C) without requirement of inert atmosphere or spinning auxiliaries. Interestingly, when the content of the zirconium-containing polymer was 100% or 50%, no precursor fiber was obtained. After pyrolysis at 1500 °C, the precursor fibers were converted into ZrC ceramic fibers with a diameter of 15.5 μm. Finally, the relationship between the pyrolysis temperature and phase composition was studied, and a pyrolysis mechanism was proposed.
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