S&M2041 Research Paper of Special Issue
Published: November 22, 2019
Effect of Notches on Magnetic Induction Variation for Magnetostrictive Clad Plate [PDF]
Zhenjun Yang, Hiroki Kurita, Hiroki Takeuchi, Kenya Nakajima, and Fumio Narita
(Received September 29, 2018; Accepted January 16, 2019)
Keywords: electromagnetic mechanics, simulation and testing, iron-cobalt alloys, notch, energy harvesting
This study focuses on the notch effect on FeCo/Ni clad plate cantilevers. We investigated the response of the cantilevers to an external load and the energy conversion performance. The three-point bending test well demonstrated that the presence of notches can broaden the variation of magnetic induction with respect to an external load. Furthermore, this variation is proportional to the load. The maximum output voltage of the notched FeCo/Ni clad plate cantilever is 2.4 times that of the cantilever without a notch. The following vibration energy harvesting experiment also revealed that the output voltage of the former was far greater than that of the FeCo/Ni clad plate cantilever without a notch by a factor of 2. The result of finite element analysis (FEA) indicated that the improvement of the energy harvesting performance was the result of localized stress concentration around the notches in response to an external load. In addition, the FeCo/Ni clad plate cantilever showed a superposed enhancement of the energy harvesting performance compared with a single FeCo plate cantilever as a result of the different properties of the FeCo and Ni alloys.Corresponding author: Fumio Narita
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Cite this article
Zhenjun Yang, Hiroki Kurita, Hiroki Takeuchi, Kenya Nakajima, and Fumio Narita, Effect of Notches on Magnetic Induction Variation for Magnetostrictive Clad Plate, Sens. Mater., Vol. 31, No. 11, 2019, p. 3681-3690.