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Acoustic emission techniques for NDE & structural health monitoring of advanced composite materials

Bhat, MR (2012) Acoustic emission techniques for NDE & structural health monitoring of advanced composite materials. In: NDE - 2012, 2012, New Delhi, India.

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Structural Health Monitoring (SHM) is an effective extension of NDE to reduce down time and cost of Inspection of structural components. On – line monitoring is an essential part of SHM. Acoustic Emission Techniques have most of the desirable requirements of an effective SHM tool. With the kind of advancement seen in the last couple of decades in the field of electronics, computers and signal processing technologies it can only be more helpful in obtaining better and meaningful quantitative results which can further enhance the potential of AET for the purpose. Advanced Composite materials owing to their specific high performance characteristics are finding a wide range of engineering applications. Testing and Evaluation of this category of materials and SHM of composite structures have been very challenging problems due to the very nature of these materials. Mechanical behaviour of fiber composite materials under different loading conditions is complex and involves different types of failure mechanisms. This is where the potential of AET can be exploited effectively. This paper presents an over view of some relevant studies where AET has been utilised to test, evaluate and monitor health of composite structures.

Item Type: Conference Paper
Publisher: NDE
Additional Information: Copyright of this article belongs to NDE.
Keywords: Acoustic Emission;Structural Health Monitoring (SHM;Composites
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 13 Feb 2014 07:24
Last Modified: 13 Feb 2014 12:16
URI: http://eprints.iisc.ac.in/id/eprint/48400

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