Effect of TITANIUM SILICIDE (cas 12039-83-7) Active Filler on the Ceramic Conversion of Polycarbosilane

Add time:07/28/2019    Source:sciencedirect.com

Effect of TITANIUM SILICIDE (cas 12039-83-7) (TiSi2) active filler on the ceramic conversion of polycarbosilane (PCS) under different pyrolytic atmospheres, viz. argon and nitrogen, was studied. Volume shrinkage, Phase evolution and surface morphology of the polymer-filler-pyrolysis atmosphere were analysed. Filler concentration and pyrolytic atmosphere were found to be critical factors for the fabrication of shrinkage free ceramic phases. Nitridization and carburization of filler particles under nitrogen atmosphere led to the formation of denser ceramic phases with minimum volume shrinkage. PCS-TiSi2-1500°C/N2 system was concluded as the best system regarding denser ceramic phase, minimum volume shrinkage and maximum ceramic residue.

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