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Proceedings 2018, 2(8), 394; https://doi.org/10.3390/ICEM18-05222

Acoustic Emission Signal Associated to Fiber Break during a Single Fiber Fragmentation Test: Modeling and Experiment

1
MATEIS laboratory, INSA of Lyon, university of Lyon, 69100 Villeurbanne, France
2
LVA laboratory, INSA of Lyon, university of Lyon, 69100 Villeurbanne, France
Presented at the 18th International Conference on Experimental Mechanics, Brussels, Belgium, 1–5 July 2018.
*
Author to whom correspondence should be addressed.
Published: 14 May 2018
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Abstract

The objective of this work is to build a quantitative relationship between the fiber break as source of Acoustic Emission (AE) and the detected signal by unravelling the effect of each stage of the AE acquisition chain. For this purpose, an AE modelling is carried out using the Finite Element Method and then the simulation is compared to experimental results of Single Fiber Fragmentation Test (SFFT). The SFFT is used in order to produce preferential fiber break. It is carried out on specimens made from a long carbon fiber embedded in epoxy/amine matrix. Two different types of sensor are used in order to gather information on a wider frequency bandwidth. For the modeling part, the entire geometry of the specimen is modelled using Finite Element Method. There is a good agreement between experiment and modeling results.
Keywords: Acoustic Emission; Single Fiber Fragmentation Test; Finite Element Modeling; Sensor Acoustic Emission; Single Fiber Fragmentation Test; Finite Element Modeling; Sensor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Hamam, Z.; Godin, N.; Fusco, C.; Monnier, T. Acoustic Emission Signal Associated to Fiber Break during a Single Fiber Fragmentation Test: Modeling and Experiment. Proceedings 2018, 2, 394.

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