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Graphene Thin Films on Fiber-Reinforced Epoxy Composites for Improved Fire Retardancy

[+] Author Affiliations
L. N. Le, B. Zhang, R. Asmatulu

Wichita State University, Wichita, KS

Paper No. IMECE2014-39817, pp. V001T01A030; 5 pages
doi:10.1115/IMECE2014-39817
From:
  • ASME 2014 International Mechanical Engineering Congress and Exposition
  • Volume 1: Advances in Aerospace Technology
  • Montreal, Quebec, Canada, November 14–20, 2014
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4642-1
  • Copyright © 2014 by ASME

abstract

Because of the high strength-to-weight and stiffness-to-weight ratios, the fiber-reinforced epoxy composites are the most common materials for many industrial applications. Nevertheless, these engineered materials can lose their properties when subjected to the high moisture, UV light and temperatures through oxidation and other decomposition processes. In order to minimize the weakness of the epoxy composites, graphene thin films were fabricated after the acid treatment process, and then applied onto the surface of fiber reinforced epoxy composites to act as heat shields. The 45 degree burn tests and surface paint adhesion tests were conducted on the prepared samples in accordance with the guidelines of the FAA Regulations, ASTM, SAE, and AMS specifications. The test results revealed significant improvements on the flame retardancy of the composites by incorporating graphene oxide thin films. Overall, this study may improve the fire resistance properties of the composites for different high temperature applications of composites.

Copyright © 2014 by ASME

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