Fabrication technique of SMA/CFRP smart composites

Ya Xu; Kazuhiro Otsuka; Nobuyuki Toyama; Hitoshi Yoshida; Hideki Nagai; Ryutaro Oishi; Yoshihiro Kikushima; Kaori Yuse; Yoshio Akimune; Teruo Kishi

doi:10.1117/12.468264

11 March 2003 Fabrication technique of SMA/CFRP smart composites

Ya Xu, Kazuhiro Otsuka, Nobuyuki Toyama, Hitoshi Yoshida, Hideki Nagai, Ryutaro Oishi, Yoshihiro Kikushima, Kaori Yuse, Yoshio Akimune, Teruo Kishi

Author Affiliations +

Proceedings Volume 4946, Transducing Materials and Devices; (2003) https://doi.org/10.1117/12.468264
Event: Photonics Fabrication Europe, 2002, Bruges, Belgium

Abstract

In recent years, pre-strained TiNi shape memory alloys (SMA) have been used for fabricating smart structure with carbon fibers reinforced plastics (CFRP). However, since the curing temperature of CFRP is higher than the reverse transformation temperatures of TiNi SMA, special fixture jigs have to be used for keeping the pre-strain during fabrication, which restricted its practical application. We have developed a new method to control the transformation temperatures of SMA by proper thermo-mechanical treatments and composition adjustment, which is suitable to fabricate SMA/CFRP smart composite with a curing temperature of 130C. Furthermore, we tried to develop a new fabrication technique which is also suitable to fabricate SMA/CFRP smart composite with a curing temperature of 180C. It was found that by using cold drawn ultra-thin TiNi wires, TiNi/CFRP composites with a curing temperature of 180C could be fabricated without special fixture jigs. The damage suppression effect by embedded ultra-thin wires in the smart composite was confirmed.

Citation Download Citation

Ya Xu, Kazuhiro Otsuka, Nobuyuki Toyama, Hitoshi Yoshida, Hideki Nagai, Ryutaro Oishi, Yoshihiro Kikushima, Kaori Yuse, Yoshio Akimune, and Teruo Kishi "Fabrication technique of SMA/CFRP smart composites", Proc. SPIE 4946, Transducing Materials and Devices, (11 March 2003); https://doi.org/10.1117/12.468264

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