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Numerical investigation on the structural mechanics of a joining technique for composite materials: The redundant high efficiency assembly

: Lang, H.; Nogueira, A.C.; Jürgens, M.; Hombergsmeier, E.; Drechsler, K.

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Univ. of Sevilla:
16th European Conference on Composite Materials, ECCM 2014. Proceedings : 22-26 June 2014, Sevilla, Spain
Sevilla, 2014
ISBN: 978-84-61697-98-4
Paper 0373, 8 S.
European Conference on Composite Materials (ECCM) <16, 2014, Sevilla>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ICT ()

This paper deals with the Redundant High Efficiency Assembly (RHEA), an interlaminar reinforcement for bonded composite structures as an improvement of the joining characteristics. The presented concept is based on the implementation of additional metallic three-dimensionally bent elements on meso-scale. The influence of significant design parameters on the structural mechanics of the joint is analyzed with numerical investigations on single-lap shear joint test specimens. The material of the reinforcements belongs to the investigated parameters as well as the distance between the pins. The analyses were performed using finite element models on two different levels of detail.