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Smart Structures and Systems Volume 17, Number 2, February 2016 , pages 313-325 DOI: https://doi.org/10.12989/sss.2016.17.2.313 |
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An approach to design and fabrication of resonant giant magnetostrictive transducer |
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Mohammad R. Sheykholeslami, Yousef Hojjat, Simone Cinquemani, Mojtaba Ghodsi and M. Karafi
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| Abstract | ||
| The paper provides a comprehensive procedure for the mechanical and magnetic design of Langevin transducer based on giant magnetostrictive material. The the transducer is designed to work at its second mode of vibration, having high mechanical quality factor and low damping coefficient. The design procedure is based on an analytical model and it is verified by finite-element analysis. Experimental tests based on impedance response analysis in first and second modes are carried out on the prototype. Results confirm the appropriate design of this transducer, demonstrating the highest mechanical quality factor between the resonant transducers in the literature. | ||
| Key Words | ||
| magnetostrictive; terfenol-D; resonant transducer; mechanical quality factor | ||
| Address | ||
| Mohammad R. Sheykholeslami: Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak, Iran Yousef Hojjat and M. Karaf: Mechanical Eng., Dep., Tech and Eng. Faculty, Tarbiat Modares University, Iran Simone Cinquemani: Department of Mechanical Engineering, Politecnico di Milano, Milan, Italy Mojtaba Ghodsi: Mechanical and Industrial Eng., Dep., College of Eng. Sultan Qaboos University, Oman | ||