Title: Multifunctional Hybrid Composite for Thermal Protection of Carbon Fiber Reinforced Polymers (CFRPS) in Aerospace Applications

Authors: Tosin D. Ajayi, Kyunghoon Kim, Jun Liu, Bill C. Nickerson, and Cheryl Xu

DOI: 10.33599/nasampe/s.19.1367

Abstract: A protective material was developed for carbon fiber reinforced polymer (CFRP) composites to improve their survivability in high temperature environment. This protective material is a carbon nanotube (CNT) reinforced ceramic (CNT/ceramic) thin film and is bonded onto CFRP for the purpose of dissipating heat quickly along in-plane direction instead of burning into the CFRP underneath. The anisotropic thermal conductivity of our CNT/ceramic thin film was investigated using an advanced characterization method called time-domain thermoreflectance (TDTR) method. The measurement results show that the thermal conductivity is along the in-plane direction, and along the through-thickness direction. To confirm the simulation results, we designed an experiment based on actual applications by heating the top surface of the sample above 120 oC (maximum service temperature of most CFRP material) and measuring the heat distribution in both the in-plane and through thickness directions. The result proves that our CNT/ceramic thin film can offer protection to CFRP composite for high temperature applications.

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Conference: SAMPE 2019 - Charlotte, NC

Publication Date: 2019/05/20

SKU: TP19--1367

Pages: 16

Price: FREE