MATEC Web Conf.
Volume 165, 201812th International Fatigue Congress (FATIGUE 2018)
|Number of page(s)||6|
|Section||Fatigue of Composites|
|Published online||25 May 2018|
Investigation of the fatigue behavior of notched reinforced thermoplastics
I2M, Arts et Métiers Paris Tech, Esplanade des Arts et Métiers, 33405 Talence, France
2 MINES Paristech, Centre des Matériaux, BP 87, 91003 Evry Cedex, France
3 Solvay Engineering Plastics, Avenue Ramboz, BP 64, 69192 Saint-Fons, France
* Corresponding author: email@example.com
Understanding and modeling of fatigue damage and behavior in short glass fiber reinforced thermoplastics is an important issue in order to improve material processing and the design of composite parts for the industry. The present work aims at a more precise description of the fatigue damage mechanisms and the establishment of a simple, yet efficient, durability criterion. Observations bring new insights on the fatigue damage mechanisms: fiber failure triggered by fretting fatigue and crack propagation by intra-spherulitic failure in their equatorial plane. Finally, a cyclic strain rate criterion is introduced for notched specimens and the identification of a behavior model is performed for later implementation of the durability criterion.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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