AE Frequency analysis of Damage Mechanism in CFRP Laminates Based on Hilbert–Huang Transform

DOI

10.2991/ame-16.2016.205How to use a DOI?

Keywords

Composite, Acoustic Emission, Peak Frequency, Hilbert-Huang Transform.

Abstract

To gain a deeper understanding of damage evolution in carbon fiber-reinforced plastic (CFRP) composite materials, This paper addresses an application of recently developed Hilbert–Huang transform (HHT) signal processing technique on acoustic emission (AE) signals feature extraction of damage Mechanism in CFRP laminates. The composite structures for lay-ups and orientations are becoming more and more complicated, a AE signal is likely to include more variety of components produced by various damage modes simultaneously, the AE signal were decomposed by HHT method, Fast Fourier Transform (FFT) was performed for the intrinsic mode functions (IMF) components, the peak frequency of each IMF component was used as a new descriptor for identifying damage modes. So HHT can provide promising methods for frequency features extraction of all damage modes and be a better tool compared to FFT to help understanding the damage process.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Wen-Qin Han
AU  - Ying Luo Luo
PY  - 2016/06
DA  - 2016/06
TI  - AE Frequency analysis of Damage Mechanism in CFRP Laminates Based on Hilbert–Huang Transform
BT  - Proceedings of the 2nd Annual International Conference on Advanced Material Engineering (AME 2016)
PB  - Atlantis Press
SP  - 1258
EP  - 1263
SN  - 2352-5401
UR  - https://doi.org/10.2991/ame-16.2016.205
DO  - 10.2991/ame-16.2016.205
ID  - Han2016/06
ER  -