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Open AccessArticle

Novel Repair Concept for Composite Materials by Repetitive Geometrical Interlock Elements

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Technische Universität Dresden, Institut für Leichtbau und Kunststofftechnik, Holbeinstr. 3, Dresden 01307, Germany
2
Leibniz Universität Hannover, Institut für Werkstoffkunde, An der Universität 2, Garbsen 30823, Germany
*
Author to whom correspondence should be addressed.
Materials 2011, 4(12), 2219-2230; https://doi.org/10.3390/ma4122219
Received: 1 November 2011 / Revised: 7 December 2011 / Accepted: 12 December 2011 / Published: 20 December 2011
(This article belongs to the Special Issue Fibre-Reinforced Composites)
Material adapted repair technologies for fiber-reinforced polymers with thermosetting matrix systems are currently characterized by requiring major efforts for repair preparation and accomplishment in all industrial areas of application. In order to allow for a uniform distribution of material and geometrical parameters over the repair zone, a novel composite interlock repair concept is introduced, which is based on a repair zone with undercuts prepared by water-jet technology. The presented numerical and experimental sensitivity analyses make a contribution to the systematic development of the interlock repair technology with respect to material and geometrical factors of influence. The results show the ability of the novel concept for a reproducible and automatable composite repair. View Full-Text
Keywords: composite repair; fiber-reinforced polymers; positive locking connection composite repair; fiber-reinforced polymers; positive locking connection
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Hufenbach, W.; Adam, F.; Heber, T.; Weckend, N.; Bach, F.-W.; Hassel, T.; Zaremba, D. Novel Repair Concept for Composite Materials by Repetitive Geometrical Interlock Elements. Materials 2011, 4, 2219-2230.

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