Integrity of hybrid steel-to-composite joints for marine application

Boyd, S.W., Blake, J.I.R., Shenoi, R.A. and Kapadia, A. (2004) Integrity of hybrid steel-to-composite joints for marine application. Proceedings of the Institution of Mechanical Engineers: Part M, Journal of Engineering for the Maritime Environment, 218, (4), 235-246.


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There are many instances where the use of weight-saving polymer composite material for an entire structure is either too complex, too expensive or unfeasible. In these circumstances the use of a hybrid structure can incorporate the benefits of traditional (e.g. steel) construction coupled with the advantages of composite materials [e.g. glass-reinforced polymers, glass-reinforced plastic (GRP)] in weight-critical areas. A number of studies have been carried out on the static strength of hybrid steel-to-composite joints.

In the present study, an experimental investigation was undertaken into the fatigue life characterization of a hybrid steel-to-GRP joint. It was found that the fatigue data correlated well with the statistical-based Weibull cumulative distribution function. In addition, post fatigue (in-plane and out-of-plane) residual strength tests were undertaken to ascertain the joint structural performance after cyclic loading. Finite-element-based progressive damage analyses incorporating damage initiation and propagation characteristics, showed good correlation with experimental results.

Item Type: Article
ISSNs: 1475-0902 (print)
Keywords: composite materials, hybrid steel-to-composite joints, fatigue life characterization, residual strength tests
Subjects: V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences
ePrint ID: 23162
Accepted Date and Publication Date:
Date Deposited: 24 Mar 2006
Last Modified: 31 Mar 2016 11:43

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