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Macro fiber composite (MFC) as a delamination sensor in antisymmetric laminates

Krishna, Hari S and Harursampath, Dineshkurnar (2007) Macro fiber composite (MFC) as a delamination sensor in antisymmetric laminates. In: Conference on Smart Structures, Devices, and Systems III, DEC 11-13, 2006, Adelaide.

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Official URL: http://dx.doi.org/10.1117/12.695245


The change in extension-twist Coupling due to delamination in antisymmetric laminates is experimentally measured. Experimental results are compared with the results from analytical expression existing in literature and finite element analysis. The application of the Macro-Fiber Composite (MFC) developed at the NASA Langley Research Center for sensing the delamination in the laminates is investigated. While many applications have been reported in the literature using the MFC as an actuator, here its use as a twist sensor has been studied. The real-life application envisaged is structural health monitoring of laminated composite flexbeams taking advantage of the symmetry in the structure. Apart from the defect detection under symmetric conditions, other methods of health monitoring for the same structure are reported for further validation. Results show that MFC works well as a sensor.

Item Type: Conference Paper
Publisher: The International Society for Optical Engineering
Additional Information: Copy right of this article belongs to The International Society for Optical Engineering.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 11 Jun 2010 08:29
Last Modified: 15 May 2013 10:49
URI: http://eprints.iisc.ac.in/id/eprint/27077

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