Abstract
Stationary and damped vibrations of the s 0 Lamb mode in a viscoelastic amorphous ferromagnetic ribbon excited upon the electromagnetoacoustic (EMA) transformation have been considered. A resonance method is suggested that employs double EMA transformation for measuring elasticity moduli E and internal friction in amorphous ferromagnetic ribbons. The effect of low-temperature isochronous annealing on the field dependences of Young’s modulus and internal friction of the Fe80Si10B10 and Fe73.7Cu1.0Nb3.2Si12.7B9.4 alloys has been studied.
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Original Russian Text © S.V. Len’kov, N.V. Fedorova, 2014, published in Fizika Metallov i Metallovedenie, 2014, Vol. 115, No. 8, pp. 800–806.
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Len’kov, S.V., Fedorova, N.V. Resonance electromagnetoacoustic method of measuring viscoelastic properties of amorphous ferromagnetic ribbons subjected to low-temperature annealing. Phys. Metals Metallogr. 115, 749–755 (2014). https://doi.org/10.1134/S0031918X14080109
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DOI: https://doi.org/10.1134/S0031918X14080109