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Wide-band measurement of frequency-dependent viscoelastic properties using an inverse nyquist plane parameter extraction methodology

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Abstract

This paper presents a new method for dynamically characterizing viscoelastics materials. A multi-degree of freedom vibration model is employed to extract frequency-dependent storage moduli and loss factors from experimental frequency-response functions of the elastomer specimen. The frequency range over which reliable data are available spans from 300 to 6,000 Hz. Hundreds of estimates can be obtained from a single test, Compared with conventional methods, it exhibits the remarkable advantages of covering a wider frequency range, of being more testwise efficient, and of providing more estimates within the frequency range of interest.

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Authors and Affiliations

  1. Zhejiang Silks Engineering Institute, Hangzhou, Peoples Republic of China

    F. P. Sun (Lecturer in Mechanical Engineering)

  2. Virginia Polytechnic Institute and State University, 24061, Blacksburgh, VA

    L. D. Mitchell (Randolph Professor of Mechanical Engineering)

Authors
  1. F. P. Sun
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  2. L. D. Mitchell
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Sun, F.P., Mitchell, L.D. Wide-band measurement of frequency-dependent viscoelastic properties using an inverse nyquist plane parameter extraction methodology. Experimental Mechanics 29, 350–356 (1989). https://doi.org/10.1007/BF02321421

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  • DOI: https://doi.org/10.1007/BF02321421

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