Processing and characterization of nanoparticles and carbon nanotube reinforced continuous fiber ceramic nanocomposites by preceramic polymer pyrolysis

Kaveh Khosroshahi; Mehrdad N. Ghasemi-Nejhad

doi:10.1117/12.2529613

30 August 2019 Processing and characterization of nanoparticles and carbon nanotube reinforced continuous fiber ceramic nanocomposites by preceramic polymer pyrolysis

Kaveh Khosroshahi, Mehrdad N. Ghasemi-Nejhad

Author Affiliations +

Proceedings Volume 11101, Material Technologies and Applications to Optics, Structures, Components, and Sub-Systems IV; 1110104 (2019) https://doi.org/10.1117/12.2529613
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

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.

Citation Download Citation

Kaveh Khosroshahi and Mehrdad N. Ghasemi-Nejhad "Processing and characterization of nanoparticles and carbon nanotube reinforced continuous fiber ceramic nanocomposites by preceramic polymer pyrolysis", Proc. SPIE 11101, Material Technologies and Applications to Optics, Structures, Components, and Sub-Systems IV, 1110104 (30 August 2019); https://doi.org/10.1117/12.2529613

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KEYWORDS

Polymers

Nanoparticles

Carbon nanotubes

Ceramics

Nanocomposites

Manufacturing

Composites

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