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Comparison of the long-term strengths of polymers under uniaxial alternating and pulsating loads

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Polymer Mechanics Aims and scope

Abstract

The laws of fracture of PMMA and PS under uniaxial alternating and pulsating cyclic loading have been investigated at several loading frequencies and two test temperatures. An analysis of the dependence of the long-term strength on stress, heating kinetics and the form of the specimen fracture surface has shown that transition from cyclic tension to more complex alternating loading in the tension-compression regime does not change the basic nature of the cyclic fatigue effect and is reflected only in an increase in the local stress concentration and heating.

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Authors
  1. V. R. Regel'
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  2. A. M. Leksovskii
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  3. U. Bolibekov
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  4. U. N. Isanov
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Additional information

A. F. Ioffe Physicotechnical Institute, Academy of Sciences of the USSR, Leningrad. Translated from Mekhanika Polimerov, No. 3, pp. 483–488, May–June, 1972.

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Regel', V.R., Leksovskii, A.M., Bolibekov, U. et al. Comparison of the long-term strengths of polymers under uniaxial alternating and pulsating loads. Polymer Mechanics 8, 425–429 (1972). https://doi.org/10.1007/BF00856367

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  • DOI: https://doi.org/10.1007/BF00856367

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