Shape Recovery of Polymeric Matrix Composites by Irradiation

Abstract:

Shape memory composite (SMC) structures are of great interest for the aerospace applications. In previous works, the authors have studied SMC lab-scale deploying prototypes manufactured by using two carbon fiber composite layers with a shape memory polymer interlayer. The prototypes were produced in an initial configuration and subsequently it was changed in the memorizing step. The initial configuration was then recovered by heating. Memorization and recovery phases were performed by means of conventional heating (by hot air gun or heater plate). In this work, for the first time the authors evaluate the SMC heating by means of radiating lamps. A square plate was purposely produced and recovered after different memory steps. Time, temperature and recovery are measured during and after the tests. The radiating lamp power and type, and the distance of the SMC from the lamp are fundamental parameters for the heating phase. As result of the irradiation tests, the initial configuration can be successfully recovered without failures. This study is especially aimed to future space applications in which the deployment (recovery) phase will be initiated only by exposure to solar radiation.

• Periodical: Materials Science Forum (Volume 879)
• Pages: 1645-1650
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.879.1645
• Online since: November 2016
• Authors: Loredana Santo*, Denise Bellisario, Fabrizio Quadrini
• Keywords: Deployable Structures, Irradiation, Shape Memory Composite (SMC)

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