2013•Applied Mechanics and MaterialsOpen access

Research on Measurement Method for Loss Factor of Viscoelastic Material

Tie Lin Sun, Hui Sun

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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Key concepts: Viscoelasticity, Loss factor, Materials science, Reflection loss, Reflection (computer programming), Acoustics, Composite material, Physics