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A Pressure-Dependent Nonlinear Viscoelastic Schapery Model for POM

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Challenges in Mechanics of Time-Dependent Materials and Processes in Conventional and Multifunctional Materials, Volume 2

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Abstract

The nonlinear viscoelastic behavior of POM was characterized in tensile and compression tests. Digital image correlation strain measurements were used the determine the axial and transverse strain, thus providing the necessary data for three-dimensional modeling. The nonlinear viscoelastic model of Schapery was chosen to describe the time-dependent mechanical behavior. A parameter identification procedure using nonlinear optimization is presented. It is shown that the Schapery model is capable of describing the nonlinear viscoelastic relaxation behavior in tension and compression.

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Acknowledgements

The research work of this paper was performed at the Polymer Competence Center Leoben GmbH (PCCL, Austria) within the framework of the COMET-program of the Austrian Ministry of Traffic, Innovation and Technology with contributions by the University of Leoben. The PCCL is funded by the Austrian Government and the State Governments of Styria and Upper Austria.

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Authors and Affiliations

  1. Polymer Competence Center Leoben GmbH, Roseggerstrasse 12, 8700, Leoben, Austria

    D. Tscharnuter & S. Gastl

  2. Institute of Materials Science and Testing of Plastics, Otto-Glöckel-Strasse 2, 8700, Leoben, Austria

    G. Pinter

Authors
  1. D. Tscharnuter
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  2. S. Gastl
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  3. G. Pinter
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Corresponding author

Correspondence to D. Tscharnuter .

Editor information

Editors and Affiliations

  1. Sandia National Laboratories, Livermore, 94550, USA

    Bonnie Antoun

  2. University of Colorado, Boulder, 80309-0430, USA

    H. Jerry Qi

  3. AirForce Research Laboratory, Wright-Patterson Air Force Base, 45433, USA

    Richard Hall

  4. University of Dayton Research Institute, Dayton, 45469-0101, USA

    G.P. Tandon

  5. University of Texas-Dallas, Dallas, 75080, USA

    Hongbing Lu

  6. University of Kentucky, Paducah, 42002, USA

    Charles Lu

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© 2013 The Society for Experimental Mechanics

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Tscharnuter, D., Gastl, S., Pinter, G. (2013). A Pressure-Dependent Nonlinear Viscoelastic Schapery Model for POM. In: Antoun, B., Qi, H., Hall, R., Tandon, G., Lu, H., Lu, C. (eds) Challenges in Mechanics of Time-Dependent Materials and Processes in Conventional and Multifunctional Materials, Volume 2. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4241-7_20

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  • DOI: https://doi.org/10.1007/978-1-4614-4241-7_20

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4614-4240-0

  • Online ISBN: 978-1-4614-4241-7

  • eBook Packages: EngineeringEngineering (R0)

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