EPJ Web Conf.
Volume 183, 2018DYMAT 2018 - 12th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|Number of page(s)
|Modelling and Numerical Simulation
|07 September 2018
Three-dimensional constitutive model for the description of high molecular weight semicrystalline polymers over a large range of temperatures and strain rates: Application to Ultra High Molecular Weight PolyEthylene
Frontier Research Institute for Interdisciplinary Sciences (FRIS), Tohoku University,
2 Fracture and Reliability Research Institute (FRI), Tohoku University, Sendai, Japan
3 Engineering Science Lyon Tohoku joint lab for Materials under Extreme Conditions (ELyTMaX) UMI3757, Tohoku University, Sendai, Japan
4 Materials Engineering and Science (MATEIS), CNRS, INSA-Lyon, UMR5510 Université de Lyon, Villeurbanne, France
Published online: 7 September 2018
Semi-crystalline polymers, and more particularly high molecular weight semi-crystalline polymers, exhibits interesting properties such as wear and impact resistance which contributes to their spreading into several industries and applications. However, because they have very long chains and exhibit high viscoelastic mechanical behavior, they are diffcult to process. It requires high temperature, close to melting temperature, and important compression strength to arrange the chains. However, such process lack accuracy and better understanding of the thermomechanical behavior is needed to improve it. Thus, a three-dimensional model based on the evolution of the microstructure during the plastic deformation have been developed with relative good agreement with experimental results from the literature.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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