Title: Innovations in Composite Laminates: Experimental Exploration of SMA Wire Integration

Authors: Daniel C. Sanchez, Peter L. Bishay, Maya Pishvar

DOI: 10.33599/nasampe/s.24.0180

Abstract: Lightweight, high-strength composites with desired functionalities hold great promise across various applications, from robotics and smart actuators to aerospace technology and beyond. This work explores the integration of shape memory alloy (SMA) wires into fiber reinforced polymer (FRP) composites, aiming to assess their potential for achieving enhanced damping properties. Accordingly, this work examines the effects of varying number of fabric plies and partial activation of SMA wires within SMA-FRP composites on their damping capabilities. Random mat glass FRP composites with embedded SMA wires are fabricated using wet lay-up vacuum bagging technique, with active control of wires achieved through Joule heating. To ensure precise control over the phase transformation process and prevent laminate overheating, a temperature-controlled circuit is employed. Damping experiments are employed using an impact hammer and a laser Doppler vibrometer. The results show the promising potential of SMA wire integration in enhancing the damping performance of composite laminates. Furthermore, the frequency-dependent nature of these effects, particularly at higher frequencies, poses an intriguing avenue for future exploration.

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Conference: SAMPE 2024

Publication Date: 2024/05/20

SKU: TP24-0000000180

Pages: 11

Price: $22.00