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Chapitre D'ouvrage Année : 2017

Magneto-Elastic Resonance: Principles, Modeling and Applications

Yannick Le Bras
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The magnetostriction effects are first discussed in the frame of the magneto-elastic resonance to define important values mainly the magneto-elastic coupling factor, k33. We review the different magnetostrictive materials according to their developments, with a special attention to amorphous ribbons to design magnetostrictive resonators. Furthermore, we focus on the current instrumental setups including their limitations, and then on the usual measurement procedures of the resonators, particularly the frequency domain measurement. In addition, an innovative approach based on the magneto-elastic impedance is reported, together with an analytical model which establishes the complete transfer function between the input and output voltages. This model is applied to ribbon-shaped materials, particularly to determine the magneto-elastic coupling factor. These resonators are suitable to sensing applications, i.e., to estimate the influential quantities such as the temperature, magnetic fields and mass stuck on the resonating surface.
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Dates et versions

hal-04106001 , version 1 (25-05-2023)



Yannick Le Bras, Jean-Marc Greneche. Magneto-Elastic Resonance: Principles, Modeling and Applications. Resonance, InTech, pp.13-34, 2017, 978-953-51-3634-7. ⟨10.5772/intechopen.68248⟩. ⟨hal-04106001⟩
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