Ply-overlap hybrid technique for joining dissimilar composite materials

Ahamed, J, Joosten, M, Callus, P, Wisnom, M and Wang, C 2016, 'Ply-overlap hybrid technique for joining dissimilar composite materials', Materials and Design, vol. 100, pp. 157-167.


Document type: Journal Article
Collection: Journal Articles

Title Ply-overlap hybrid technique for joining dissimilar composite materials
Author(s) Ahamed, J
Joosten, M
Callus, P
Wisnom, M
Wang, C
Year 2016
Journal name Materials and Design
Volume number 100
Start page 157
End page 167
Total pages 11
Publisher Elsevier Ltd
Abstract Hybridisation of multiple materials is emerging as a key strategy to achieve high performance lightweight structures while keeping the cost low. Fundamental to creating strong and cost-effective hybrid composites is the ability to efficiently join dissimilar materials. Herein we present a novel co-curing ply-overlap joint technique for integrating dissimilar composite materials. Experimental studies are conducted to identify the dominant failure mechanisms and the effect of design parameters, such as the spatial distances between ply terminations and overlap length, on the strength of hybrid composite ply-overlap joints. To enable optimisation of ply-overlap joints, analytical and computational models are developed and validated against the experimental data. The results demonstrate that ply-overlap joints are capable of approaching the un-notched strength of the glass composite material. The validated predictive tools enable design optimisation of hybrid composite structures.
Subject Aerospace Structures
Keyword(s) Computational modelling
Hybrid
Joint
Multifunctional
Strength
DOI - identifier 10.1016/j.matdes.2016.03.112
Copyright notice © 2016 Elsevier Ltd.
ISSN 0264-1275
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