Research on Measurement Method for Loss Factor of Viscoelastic Material

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Abstract:

A measurement method for loss factor of viscoelastic material was researched. When acoustic wave incident to the surface of submerged elastic plate coated with viscoelastic damping layers, according to boundary conditions of interfaces relationship between reflection acoustic wave in water and loss factor of viscoelastic material was derived. The change of loss factor as frequency goes was also simulated. Loss factor is related to frequency and other parameters of viscoelastic material.

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529-532

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February 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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