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Fabrication of Fe–Co Magnetostrictive Fiber Reinforced Plastic Composites and Their Sensor Performance Evaluation

1
Department of Materials Processing, Graduate School of Engineering, Tohoku University, Aoba-yama 6-6-02, Sendai 980-8579, Japan
2
Industrial Technology Center of Fukui Prefecture, 10 Kitainada, 61 Kawaiwashiduka-cho, Fukui 910-0102, Japan
3
Sakase Adtech Co., Ltd., 14-10 Shimoyasuda, Maruoka-cho, Sakai 910-03630, Japan
*
Author to whom correspondence should be addressed.
Materials 2018, 11(3), 406; https://doi.org/10.3390/ma11030406
Received: 9 February 2018 / Revised: 1 March 2018 / Accepted: 7 March 2018 / Published: 9 March 2018
(This article belongs to the Special Issue Magnetostrictive Composite Materials)
The inverse magnetostrictive effect is an effective property for energy harvesting; the material needs to have large magnetostriction and ease of mass production. Fe–Co alloys being magnetostrictive materials have favorable characteristics which are high strength, ductility, and excellent workability, allowing easy fabrication of Fe–Co alloy fibers. In this study, we fabricated magnetostrictive polymer composites, in which Fe–Co fibers were woven into polyester fabric, and discussed their sensor performance. Compression and bending tests were carried out to measure the magnetic flux density change, and the effects of magnetization, bias magnetic field, and the location of the fibers on the performance were discussed. It was shown that magnetic flux density change due to compression and bending is related to the magnetization of the Fe–Co fiber and the bias magnetic field. The magnetic flux density change of Fe–Co fiber reinforced plastics was larger than that of the plastics with Terfenol-D particles. View Full-Text
Keywords: composite design; Fe–Co fiber; magnetostrictive composites; inverse magnetostriction; energy harvesting composite design; Fe–Co fiber; magnetostrictive composites; inverse magnetostriction; energy harvesting
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MDPI and ACS Style

Katabira, K.; Yoshida, Y.; Masuda, A.; Watanabe, A.; Narita, F. Fabrication of Fe–Co Magnetostrictive Fiber Reinforced Plastic Composites and Their Sensor Performance Evaluation. Materials 2018, 11, 406.

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