A proposed method of measuring the complex modulus of a thick viscoelastic layer |
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| Authors: | J M Golden G A C Graham |
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| Institution: | (1) Environmental Research Unit and Dublin Institute for Advanced Studies, Dublin, Ireland;(2) Dept. of Mathematics, Simon Fraser University, V5A 156 Burnaby, B.C., Canada |
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| Abstract: | A simple, non-destructive method of measuring the complex modulus of a layer of viscoelastic material is proposed. The method relies upon an analysis of the frictionless contact of a rigid smooth indentor and the layer. The contact is maintained by means of a fluctuating normal load. The total load (or the indentation) is required to vary in a simple sinusoidal way. The complex modulus may then be determined from the results of observations made when the contact area is maximum (or minimum). |
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| Keywords: | Complex modulus viscoelastic layer contact problem |
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