Fiber reinforced composites (FRP) for industrial applications face constantly increasing demands regarding efficiency, reliability and economy. Furthermore, it was shown that FRP’s with tailored reinforcements are superior to metallic or monolithic materials. However, a trustworthy description of load-specific failure behaviour and damage evolution of composite structures can hardly be given, because these processes are very complex and are still not entirely understood. Amongst other things, several research groups have shown that material damages like fiber fracture, delamination, matrix cracking or flaws can be discovered by analyzing the electrical properties of conducting composites, e.g. carbon fiber reinforced plastics (CFRP). Furthermore, it was shown that this method could be used for structural health monitoring or non-destructive testing (NDT) [8–12].Within this work, Magnetic Induction Tomography (MIT), which is a new imaging approach, is introduced into the topic of NDT of CFRP’s. This non-contacting imaging method gains the inner spatial distribution of conductivity of a specimen and depicts material inhomogeneity, like damages, in 2D or 3D images. Numerical and experimental investigations are presented and give a first impression of the performance of this technique. It is demonstrated that MIT is a promising approach for NDT and could be used for fabrication quality control of conductive FRP’s and could potentially be used as a health monitoring system using an integrated setup.
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ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 19–21, 2012
Stone Mountain, Georgia, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4509-7
PROCEEDINGS PAPER
A New Imaging Approach to In Situ and Ex-Situ Inspections of Fibre Reinforced Composites by Magnetic Induction Tomography (MIT) Available to Purchase
Axel Renner,
Axel Renner
Technische Universität Dresden, Dresden, Germany
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Wolf-Joachim Fischer,
Wolf-Joachim Fischer
Technische Universität Dresden, Dresden, Germany
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Uwe Marschner
Uwe Marschner
Technische Universität Dresden, Dresden, Germany
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Axel Renner
Technische Universität Dresden, Dresden, Germany
Wolf-Joachim Fischer
Technische Universität Dresden, Dresden, Germany
Uwe Marschner
Technische Universität Dresden, Dresden, Germany
Paper No:
SMASIS2012-8231, pp. 897-902; 6 pages
Published Online:
July 24, 2013
Citation
Renner, A, Fischer, W, & Marschner, U. "A New Imaging Approach to In Situ and Ex-Situ Inspections of Fibre Reinforced Composites by Magnetic Induction Tomography (MIT)." Proceedings of the ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring. Stone Mountain, Georgia, USA. September 19–21, 2012. pp. 897-902. ASME. https://doi.org/10.1115/SMASIS2012-8231
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