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Mechanical performance of through-thickness tufted sandwich structures

AuthorsHenao, Anamaría; Carrera, Marco; Miravete, Antonio; Castejon, Luis
Issue Date2010
CitationComposite Structures 92(9): 2052-2059 (2010)
AbstractThis paper presents a study about the influence of through-thicknesstufted fibres on compression and bending properties of sandwichstructures. The tufting process aims to avoid the delamination between the skin and core in order to improve the performance of sandwichstructures, increase the interlaminar strength and damage tolerance of sandwichstructures. To evaluate the effect of tufting in sandwichstructures, an experimental study was developed which included edgewise compression and 3P bending tests of tufted and non-tuftedsandwich panels made of carbon/epoxy and E-glass/epoxy face-sheets, PVC and polyurethane foam cores and E-glass through-thickness fibres with different tufting densities. A finite element model was formulated to evaluate the effects of tufting spacing on the sandwichperformance under three-point bending. Conclusions about the efficiency of the insertion of through-thickness fibres on compression and bending properties are drawn.
Identifiersdoi: 10.1016/j.compstruct.2009.11.005
issn: 0263-8223
Appears in Collections:(ICMA) Artículos
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