Synthesis and characterization of continuous freestanding silicon carbide films with polycarbosilane (PCS)

In-situ synthesis of SiC nanofibers for improving the oxidation resistance of graphite

“…The SiC and SiO 2 phases present in the secondary coating could be produced by the polycarbosilane and partially, by the tetraethyl orthosilicate. Studies such as those conducted by Yao [24] and Ly [25] have shown that the polycarbosilane phase can be transformed at temperatures higher than 1273 K, according to Eqs. (8) and (9):…”

Iodine diffusion during iodine‐vapor curing and its effects on the morphology of polycarbosilane/silicon carbide fibers

“…Controlling the shape of the fibers is also an important consideration because of the fact that the mechanical properties and characteristic of the fibers are determined by their shape. Several shapes of SiC fiber have been previously reported, with these including SiC monofilaments with large diameters, SiC films for microelectromechanical systems (MEMS) and optoelectronic devices, SiC microtubes, and hollow SiC fibers for membranes to be used under harsh conditions . Since fabricating different SiC fiber shapes clearly has the potential to create new applications, this study looks at the fabrication of SiC fibers with different morphologies ranging from oblong to hollow to circular by controlling the temperature and time of curing.…”

Synthesis and optical properties of σ–π conjugated aluminum-containing polyphenylcarbosilane (Al-PPCS) by hydrosilylation polymerization

“…Our previous work has introduced a technique based on melt spinning of polymer to produce continuous freestanding polycarbosilane (PCS) films [21,22]. PCS with a backbone formed by Si and C atoms is one of the most well-known polymeric precursors to ceramic materials, such as SiC fibers, SiC films, SiC nanopowders, microporous SiC-based membranes and SiC-based microelectromechanical systems (MEMS) in harsh environments [23][24][25][26][27].…”