13 May 2016 Analytical model of a giant magnetostrictive resonance transducer
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Abstract
Resonance transducers have been widely developed and studied, as they can be profitably used in many application such as liquid atomizing and sonar technology. The active element of these devices can be a giant magnetostrictive material (GMM) that is known to have significant energy density and good performance at high frequencies. The paper introduces an analytical model of GMM transducers to describe their dynamics in different working conditions and to predict any change in their performance. The knowledge of the transducer behavior, especially in operating conditions different from the ideal ones, is helpful in the design and fabrication of highly efficient devices. This transducer is design to properly work in its second mode of vibration and its working frequency is around 8000 Hz. Most interesting parameters of the device, such as quality factor, bandwidth and output strain are obtained from theoretical analysis.
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M. Sheykholeslami, M. Sheykholeslami, Y. Hojjat, Y. Hojjat, S. Ansari, S. Ansari, S. Cinquemani, S. Cinquemani, M. Ghodsi, M. Ghodsi, "Analytical model of a giant magnetostrictive resonance transducer", Proc. SPIE 9801, Industrial and Commercial Applications of Smart Structures Technologies 2016, 98010T (13 May 2016); doi: 10.1117/12.2219070; https://doi.org/10.1117/12.2219070
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