Experimental Study and Modelling of Poly (Methyl Methacrylate) and Polycarbonate Compressive Behavior from Low to High Strain Rates

Experimental Study and Modelling of Poly (Methyl Methacrylate) and Polycarbonate Compressive... This paper concerns an experimental investigation of Polycarbonate and Poly (methyl methacrylate) compressive behavior from low to high strain rates. Experiments were conducted from 0.001/s to ≈ 5000/s for PC and from 0.001/s to ≈ 2000/s for PMMA. The true strain–stress behavior is established and analyzed at various stain rates. Both PC and PMMA mechanical behavior appears as known, to be strain rate and temperature dependent. The DSGZ model is selected for modelling the strain–stress curves while the yield stress is reproduced using the cooperative model and a modified Eyring equation based on Eyring first process theory. All the three models predictions are in agreement with experiments performed on PC and PMMA. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Dynamic Behavior of Materials Springer Journals

Experimental Study and Modelling of Poly (Methyl Methacrylate) and Polycarbonate Compressive Behavior from Low to High Strain Rates

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Publisher
Springer International Publishing
Copyright
Copyright © 2018 by Society for Experimental Mechanics, Inc
Subject
Materials Science; Metallic Materials; Continuum Mechanics and Mechanics of Materials
ISSN
2199-7446
eISSN
2199-7454
D.O.I.
10.1007/s40870-018-0147-5
Publisher site
See Article on Publisher Site

Abstract

This paper concerns an experimental investigation of Polycarbonate and Poly (methyl methacrylate) compressive behavior from low to high strain rates. Experiments were conducted from 0.001/s to ≈ 5000/s for PC and from 0.001/s to ≈ 2000/s for PMMA. The true strain–stress behavior is established and analyzed at various stain rates. Both PC and PMMA mechanical behavior appears as known, to be strain rate and temperature dependent. The DSGZ model is selected for modelling the strain–stress curves while the yield stress is reproduced using the cooperative model and a modified Eyring equation based on Eyring first process theory. All the three models predictions are in agreement with experiments performed on PC and PMMA.

Journal

Journal of Dynamic Behavior of MaterialsSpringer Journals

Published: Mar 5, 2018

References

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