Overview
- Successful comparison of simulation and experiments
Part of the book series: AutoUni – Schriftenreihe (AUS, volume 147)
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Table of contents (8 chapters)
Keywords
- Extended Raghava yield function
- Modified Mohr-Coulomb fracture criterion
- Experimental challenges in material testing
- Bi-axial tension tests
- Design of a new uni-axial tension test specimen
- Finite-element method
- Temperature-dependent deformation
- Fracture behavior
- Talcum-filled co-polymer
- Elasto-viscoplastic material
- Thermoplastic polymers
About this book
David Degenhardt develops an elasto-viscoplastic material model in order to predict the temperature and strain rate-dependent deformation and fracture behavior of thermoplastic polymers. The model bases on three supporting ambient temperatures, where a thermoplastic polymer has been characterized profoundly at the stress states 1) uni-axial tension and compression, 2) bi-axial tension and 3) shear. The core of the material model builds a pressure-dependent yield function with a non-associated flow rule. Further, it contains an analytical hardening law and a strain rate-dependent fracture criterion. The model is validated with components subjected to impact loading at different ambient temperatures. The comparison of the simulation and the experiments shows that stiffness, hardening, fractures strain as well as thicknesses can be well captured.
About the Author:
David Degenhardt is a calculation engineer in the chassis development department of a German automobile manufacturer and earned his doctorate while working at the Technische Universität Carolo-Wilhelmina zu Braunschweig, Germany.
Authors and Affiliations
About the author
David Degenhardt is a calculation engineer in the chassis development department of a German automobile manufacturer and earned his doctorate while working at the Technische Universität Carolo-Wilhelmina zu Braunschweig, Germany.
Bibliographic Information
Book Title: Temperature-dependent Deformation and Fracture Behavior of a Talcum-filled Co-polymer
Authors: David Degenhardt
Series Title: AutoUni – Schriftenreihe
DOI: https://doi.org/10.1007/978-3-658-30155-2
Publisher: Springer Wiesbaden
eBook Packages: Chemistry and Materials Science, Chemistry and Material Science (R0)
Copyright Information: Springer Fachmedien Wiesbaden GmbH, part of Springer Nature 2020
Softcover ISBN: 978-3-658-30154-5Published: 20 April 2020
eBook ISBN: 978-3-658-30155-2Published: 18 April 2020
Series ISSN: 1867-3635
Series E-ISSN: 2512-1154
Edition Number: 1
Number of Pages: XXVI, 121
Number of Illustrations: 37 b/w illustrations, 25 illustrations in colour
Topics: Characterization and Evaluation of Materials, Automotive Engineering, Materials Science, general