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Vibrational creep of polymeric materials

4. Polyurethane. Simple stressed state

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Polymer Mechanics Aims and scope

Abstract

An experimental study of the effect of vibration on the creep process has been carried out in the case of the rigid porous polyurethane PPU-3, as a function of the magnitude of the vibrational loading and the level of basic static stresses. It has been shown that with increase in the velocity amplitude of the dynamic stresses, the creep process is accelerated, without being accompanied thereupon by vibrational heating of the material. The possibility has been established of approximating vibrational creep curves by the integral equation of Volterra, using a discrete series of relaxation times transformed by the vibro-time analogy method.

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Literature cited

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Authors
  1. R. D. Maksimov
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  2. Yu. S. Urzhumtsev
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Additional information

For Communication No. 3, see [1].

Institute of Polymer Mechanics, Academy of Sciences of the Latvian SSR, Riga. Translated from Mekhanika Polimerov, No. 2, pp. 223–232, March–April, 1970.

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Maksimov, R.D., Urzhumtsev, Y.S. Vibrational creep of polymeric materials. Polymer Mechanics 6, 201–209 (1970). https://doi.org/10.1007/BF00859190

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  • DOI: https://doi.org/10.1007/BF00859190

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