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Lifetime and relaxation processes in solid polymers

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Abstract

The relationship between relaxation processes and the fracture of solid polymers is examined with reference to the example of repeat loading with recovery. An investigation of polymethyl methacrylate, KAST-V glass laminate, and a Finnish polyester glass-reinforced plastic has shown that this lifetime may be considerably (several orders) shorter than that at the same level of constant stress. This is attributed to the time dependence of the structure-sensitive coefficient γ in the lifetime equation and is illustrated by means of a model that includes a Regel' fracture element.

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Authors
  1. I. V. Razumovskaya
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  2. Yu. G. Korabel'nikov
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  3. G. M. Bartenev
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  4. K. V. Panferov
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Additional information

Moscow Lenin State Pedagogical Institute, Problem Laboratory of Polymer Physics. Translated from Mekhanika Polimerov, No. 4, pp. 629–635, July–August, 1969.

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Razumovskaya, I.V., Korabel'nikov, Y.G., Bartenev, G.M. et al. Lifetime and relaxation processes in solid polymers. Polymer Mechanics 5, 548–553 (1969). https://doi.org/10.1007/BF00857233

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  • DOI: https://doi.org/10.1007/BF00857233

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