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Joule-Heating Activated Flexible Composite Structures Using Shape Memory Epoxy

[+] Author Affiliations
Jingyu Wang, David Lee, Yingtao Liu

University of Oklahoma, Norman, OK

Paper No. IMECE2017-72141, pp. V001T03A028; 5 pages
doi:10.1115/IMECE2017-72141
From:
  • ASME 2017 International Mechanical Engineering Congress and Exposition
  • Volume 1: Advances in Aerospace Technology
  • Tampa, Florida, USA, November 3–9, 2017
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5834-9
  • Copyright © 2017 by ASME

abstract

In this paper, a novel shape memory epoxy based composites is employed to design and develop new flexible composites for aerospace applications. The epoxy and carbon fiber reinforced epoxy were first synthesized and characterized to understand their shape memory property. The characterized epoxy is used as the polymer matrix in carbon fiber reinforced composites. The shape memory function of the fabricated composites is experimental characterized using the Joule-heating based method. The Joule-heating based activation method using direct electrical current is systematically characterized to understand the shape recovery speed at different temperature. It was observed that the developed composites have good flexibility and response to Joule heat quickly during deployment. Such composite materials can be further used to design and develop flexible composites and aerospace structures, such as satellite panel trusses and solar sail boom structures.

Copyright © 2017 by ASME

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