Modal analysis of high frequency acoustic signal approach for progressive failure monitoring in thin composite plates
Paper
Paper/Presentation Title | Modal analysis of high frequency acoustic signal approach for progressive failure monitoring in thin composite plates |
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Presentation Type | Paper |
Authors | Hafizi, Z. M. (Author), Epaarachchi, J. (Author) and Lau, K. T. (Author) |
Journal or Proceedings Title | Proceedings of the 2nd Malaysian Postgraduate Conference (MPC 2012) |
Number of Pages | 6 |
Year | 2012 |
Place of Publication | Sydney, Australia |
Web Address (URL) of Paper | http://www.msda.org.au/index.php/students-corner/malaysian-postgraduate-conference-2012-proceedings/category/1-proceedings |
Conference/Event | 2nd Malaysian Postgraduate Conference (MPC 2012) |
Event Details | 2nd Malaysian Postgraduate Conference (MPC 2012) Event Date 07 to end of 09 Jul 2012 Event Location Gold Coast, Australia |
Abstract | During the past few decades, many successful research works have evidently shown remarkable capability of Acoustic Emission (AE) for early damage detection of composite materials. Modal Analysis of AE signals or Modal Acoustic Emission (MAE) offers a better theoretical background for acoustic emission analysis which is necessary to get more qualitative and quantitative result. In this paper, the application of MAE concept in a single channel AE source location detection method for failure characterization and monitoring in thin composite plates was presented. Single channel AE source location is one of the recent studies for composite early damage localization, owing to the growing interest and knowledge of modal analysis of AE wave. A tensile test was conducted for glass fiber epoxy resin specimen with small notch. A single channel of AE system was used to determine the AE source location on specimen under testing. The results revealed that AE single channel source location provides reasonable accuracy for glass fiber laminate which was tested. |
Keywords | modal acoustic emission; time frequency analysis; composite plates |
ANZSRC Field of Research 2020 | 400607. Signal processing |
401602. Composite and hybrid materials | |
401702. Dynamics, vibration and vibration control | |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | Centre of Excellence in Engineered Fibre Composites |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q17xw/modal-analysis-of-high-frequency-acoustic-signal-approach-for-progressive-failure-monitoring-in-thin-composite-plates
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