N. Kutsuzawa
Yamagata University
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Publication
Featured researches published by N. Kutsuzawa.
Journal of Physics: Conference Series | 2011
Osamu Ishii; Y Miyahara; Shiro Kambe; N. Kutsuzawa; A Ishida
This paper describes a new bimorph-type actuator composed of a shape-memory-alloy coated magnetic ribbon. A high magnetostrictive amorphous ribbon (Metglas 2605SC, 37 mm×6 mm×0.025 mm) coated with a 1.0 μm thick sputter-deposited Ti48.5Ni33.5Cu18 film exhibited a repeatable shape memory effect in the temperature range from 10 °C to 70 °C; reverse martensitic transformation upon heating bent the ribbon and martensitic transformation upon cooling flattened it. Simultaneous application of AC and DC magnetic fields excited the longitudinal mechanical vibration which can be monitored wirelessly with a pickup coil. The resonance frequency was proportional to the displacement of the ribbon within an accuracy of 0.76 %. Consequently, it is confirmed that a TiNiCu-coated magnetic ribbon actuator with high positioning resolution can be realized by monitoring its resonance frequency and feeding back it to the heating and/or cooling power control algorithms.
Journal of The Magnetics Society of Japan | 2005
Y. Shimojo; H. Arai; M. Nakamura; N. Kutsuzawa; Shiro Kambe; Osamu Ishii; Y. Koshimoto
Physica Status Solidi (a) | 2007
Masaki Nakamura; S. Yoshizawa; N. Kutsuzawa; Shiro Kambe; Osamu Ishii
Journal of The Magnetics Society of Japan | 2006
S. Yoshizawa; Y. Shimojo; M. Nakamura; N. Kutsuzawa; Shiro Kambe; Osamu Ishii
Journal of The Magnetics Society of Japan | 2009
T. Shibata; N. Kutsuzawa; S. Yoshizawa; S. Okuyama; Shiro Kambe; Osamu Ishii
Journal of The Magnetics Society of Japan | 2006
H. Satake; M. Nakamura; N. Kutsuzawa; Shiro Kambe; Osamu Ishii; K. Motoki; S. Okuyama
Ieej Transactions on Electrical and Electronic Engineering | 2012
Osamu Ishii; Ryo Kakehata; N. Kutsuzawa; Hidenori Okuzaki
Journal of The Magnetics Society of Japan | 2010
Y. Miyahara; Osamu Ishii; Shiro Kambe; N. Kutsuzawa; A. Ishida
Journal of The Magnetics Society of Japan | 2009
Y. Nakada; N. Kutsuzawa; Shiro Kambe; Osamu Ishii
Journal of The Magnetics Society of Japan | 2013
Osamu Ishii; O. Mori; K. Takahashi; N. Kutsuzawa; H. Okuzaki