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Fatigue of Sandwich Composites in Air and Seawater

Lookup NU author(s): Hassan Izadi Gonabadi, Dr Adrian OilaORCiD, Professor Steve BullORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

In this study, the fatigue behaviour of sandwich composites was investigated in both, air and seawater. S–N curves were obtained for different stress levels. 3-point bending (3PB) tests were also performed to investigate strength degradation during the fatigue test. Finite element analyses were carried out to determine the stress distributionin the test coupons used in bending tests. These were used to predict the failure of the composite and to interpretthe experimental results. There is good agreement between finite element analysis and experimental results at lowerloads. Small deviations were observed at higher loads due to the influence of defects. The typical failure modes observed under quasi-static 3PBT were debonding, fibre pull-out and matrix cracking.

Publication metadata

Author(s): Gonabadi HI, Oila A, Bull S

Publication type: Article

Publication status: Published

Journal: Journal of Bio- and Tribo-Corrosion

Year: 2016

Volume: 2

Pages: 1-7

Print publication date: 01/06/2016

Online publication date: 05/04/2016

Acceptance date: 18/03/2016

Date deposited: 14/07/2016

ISSN (print): 2198-4220

ISSN (electronic): 2198-4239

Publisher: Springer

URL: http://dx.doi.org/10.1007/s40735-016-0043-2

DOI: 10.1007/s40735-016-0043-2

Notes: This article is published with open access at Springerlink.com

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