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Item type:Publication, Access status: with files , Online monitoring of surface cracks and delaminations in carbon fiber/epoxy composites using silver nanoparticle based ink(Taylor & Francis, 2017-08-12); ; ; ; In this study, we present an online-monitoring approach using silver nanoparticle based ink on carbon fiber reinforced plastics (CFRP). After production of CFRP plates in a prepreg autoclave process and printing conductive paths on the material, we investigate the conductive paths of printed silver nanoparticle-based ink on CFRP by light microscopy. Mechanical tests with simultaneous electrical resistance measurements demonstrate the possibility to detect particular modes of failure with samples specifically designed to promote inter-fiber failures and delaminations under bending. Delaminations can be detected and localized inside the material by electrical through-thickness measurements and resistance measurements of the conductive paths allow for surface crack detection.Publicationtype: Journal ArticleScopus© Citations 10 415 872