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Rigidity of polyurethane in various loading conditions

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Abstract

A method is proposed for estimating the Poisson’s ratio of rubbery materials, on the basis of velocity measurements of plane longitudinal waves (ultrasound). Approximation of the relaxation curves by an exponential series is discussed, as well as the use of creep to take account of the viscoelastic characteristics. Sample calculations are presented, along with the error of the approximation.

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Authors and Affiliations

  1. OAO METROVAGONMASh, Moscow, Russia

    V. G. Sazonov

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  1. V. G. Sazonov
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Original Russian Text © V.G. Sazonov, 2009, published in Vestnik Mashinostroeniya, 2009, No. 6, pp. 37–43.

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Sazonov, V.G. Rigidity of polyurethane in various loading conditions. Russ. Engin. Res. 29, 563–570 (2009). https://doi.org/10.3103/S1068798X09060094

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  • DOI: https://doi.org/10.3103/S1068798X09060094

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