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Fatigue damage modelling of adhesively bonded joints under variable amplitude loading using a cohesive zone model

Khoramishad, H, Crocombe, AD, Katnam, KB and Ashcroft, IA (2011) Fatigue damage modelling of adhesively bonded joints under variable amplitude loading using a cohesive zone model ENGINEERING FRACTURE MECHANICS, 78 (18). 3212 - 3225. ISSN 0013-7944

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Abstract

In this paper, the fatigue response of adhesively bonded joints under variable amplitude (VA) cyclic loading was predicted using a numerical model. The adhesive layer was modelled using the cohesive zone model with a bi-linear traction-separation response. A damage model, incorporating fatigue load ratio effects, was utilised in conjunction with the cohesive zone model to simulate the detrimental influence of VA fatigue loading. This model was validated against published experimental results obtained from fatigue tests of adhesively bonded single lap joints subjected to various types of VA fatigue loading spectra. This model successfully predicted the damaging effect of VA fatigue loading on the adhesively bonded joints and was generally found to be a significant improvement on the other damage models considered.

Item Type: Article
Additional Information: NOTICE: this is the author’s version of a work that was accepted for publication in Engineering Fracture Mechanics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Engineering Fracture Mechanics, 78(18), December 2011, DOI 10.1016/j.engfracmech.2011.09.008
Uncontrolled Keywords: Science & Technology, Technology, Mechanics, Variable amplitude fatigue, Adhesively bonded joints, Cohesive zone model, Fatigue damage modelling, Process zone, LIFE PREDICTION METHODOLOGY, CRACK-GROWTH, COMPOSITE STRUCTURES, CONSTANT AMPLITUDE, CYCLE FATIGUE, FRACTURE, DELAMINATION, SIMULATION, INITIATION, MECHANICS
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Divisions: Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Depositing User: Symplectic Elements
Date Deposited: 24 Sep 2012 19:17
Last Modified: 23 Sep 2013 19:38
URI: http://epubs.surrey.ac.uk/id/eprint/716737

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