This paper presents four types of Continuous Fiber Ceramic Composites (CFCCs) manufactured using
preceramic Polymer Infiltration and Pyrolysis (PIP) method for mechanical testing. Nicalon™ ceramic
grade silicon carbide fiber was used as the reinforcements, and KiON CERASET® preceramic polymer
was used as the matrix in this study. Further, the effects of nanoparticles, carbon nanotubes, and the
combination of the two, as CFCC reinforcements, were evaluated and compared with their base CFCCs
based on processing and flexural mechanical performance of Nicalon/KiON CERASET® CFCCs by PIP
method. Nicalon™ ceramic fiber was used as the primary reinforcement and KiON CERASET®
preceramic polymer was used as the matrix material for all four types of CFCCs in this work. KiON
CERASET® preceramic polymer was mixed with nano-size fillers in the presence of a surfactant agent to
give a good dispersion of the particles and was used as the Nanoresin. Yttrium oxide nanoparticles with an
average size of about 25 nm were used as the inclusion with weight percentage of up to 15%. Carbon
nanotubes were grown directly on the surface of Nicalon™ fabric via chemical vapor deposition process,
and used as Nanoforest. Characterization analysis and distribution studies of the samples using scanning
electron microscopy were conducted. Four-point bending test was also conducted to evaluate the flexural
mechanical performance of the ceramic nanocomposites samples at room temperature. A combination of
nanoparticle Nanoresin and carbon nanotube Nanoforest reinforced CFCCs, had the highest improvement
among all the samples studied in this research. It was also found that the effects of Nanoforest was
dominant over the effects of Nanoresin.
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