04.1 - Aerospace Grade Materials, Structural Analysis, Fatigue and Damage Tolerance
ANALYSIS OF THE POSSIBILITY OF INCREASING THE THERMAL RESISTANCE OF EPOXY RESIN WITH CWNT AND MMT
R. Szczepaniak¹, P. Przybylek¹, D. Szczechula¹, A. Krzyzak¹, A. Komorek¹, G. Woroniak, Bialystok University of Technology, Poland; ¹Polish Air Force University, Poland
The need to provide thermal protection for sensitive aeronautical technology components exposed to high heat flux temperatures necessitates the emergence of new materials with high thermal protection properties. The research focused on a powder composite patterned with montmorillonite and carbon walled nanotubes incorporated into epoxy resin LH145 and hardener H147. The specimens were exposed to a hot gas mixture of more than 900°C for a period of approximately 120 -180 seconds depending on the thickness of the tested samples. The most important parameter determined from the experimental study was the temperature of the back surface of the specimen. The average mass loss and mass ablation rate of the test material were also analysed. The samples with the addition of montmorillonite had the lowest temperature of the rear wall surface, i.e. approximately 50ºC, ensuring maximum temperature reduction. The same can be observed in the ablation mass loss, which was approximately 45% for the average thickness of both samples, as well as in the ablation speed of approximately 24 ?m/s.