Encyclopedia of Continuum Mechanics

Living Edition
| Editors: Holm Altenbach, Andreas Öchsner

Effect of Pressure on Mechanical Properties of Polymers

  • Alexandra AulovaEmail author
  • Alen Oseli
  • Marko Bek
  • Ted Prodan
  • Igor Emri
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DOI: https://doi.org/10.1007/978-3-662-53605-6_270-2

Synonyms

Definitions

Polymer is a substance consisting of macromolecules of different lengths, which have a long sequence of one or more groups of monomeric units (shorter molecules) linked together with a primary or covalent chemical bond.

Time-dependent mechanical property is the characteristic of a polymer (or any other viscoelastic material) that interrelates the cause in the form of stress or strain and the time-dependent response (in the form of increasing strain or decaying stress).

Time-pressure superposition principle claims that material function can be generated by shifting isobaric segments of time-dependent mechanical properties measured at different pressures along the logarithmic time scale in respect to the segment selected at reference pressure.

Compressibility is a measure of relative change of the volume of polymer exposed to the pressure change.

Introduction

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Notes

Acknowledgements

The authors acknowledge the programme P2-0264 “Sustainable Polymer Materials and Technologies” financially supported by the Slovenian Research Agency.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Alexandra Aulova
    • 1
    Email author
  • Alen Oseli
    • 1
  • Marko Bek
    • 1
  • Ted Prodan
    • 1
  • Igor Emri
    • 1
  1. 1.Faculty of Mechanical EngineeringUniversity of LjubljanaLjubljanaSlovenia

Section editors and affiliations

  • Sergey Alexandrov
    • 1
  1. 1.Institute for Problems in MechanicsRussian Academy of SciencesMoscowRussia