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dc.contributor.authorSrinivasan, Dharun Vadugappattyen_US
dc.contributor.authorAggarwal, Atinen_US
dc.contributor.authorIdapalapati, Sridharen_US
dc.contributor.authorNg, Charlesen_US
dc.identifier.citationSrinivasan, D. V., Aggarwal, A., Idapalapati, S., & Ng, C. (2020). Effect of residual epoxy on single lap joints performance. The Journal of Adhesion, 96(10), 883-901. doi: 10.1080/00218464.2018.1538878en_US
dc.description.abstractDesign for remanufacturing of adhesively bonded composite structure emphasizes the product features such as ease of disassembly, surface reconditioning, reassembly and validating the structural integrity of rebonded joints. After disassembly of bonded joints, the adhesive on the adherend surfaces should be removed for reassembly. Some part of adhesives will be left over in complex, undulated bonding surface and this residual adhesive may affect the reassembled joint mechanical performance. In this experimental work, two different adherends namely aluminium (Al) and glass fibre reinforced polymer (GFRP) were bonded with 3M DP490 epoxy adhesive and the joint shear strength was determined by tensile single lap shear testing. Further, joints with induced residual epoxy were fabricated and the effect of different percentage of residual epoxy on joint shear strength was investigated. The test result shows that there was no significant reduction in lap shear strength of both GFRP and Al alloy joints. There was no evidence of failure at the residual-fresh epoxy interface that shows good mechanical compatibility between the residual and fresh epoxy. Furthermore, the surface profile measurements of materials surfaces were studied and the residual epoxy surface texture ensures proper mechanical anchoring with fresh epoxy.en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.relation.ispartofThe Journal of Adhesionen_US
dc.rightsThis is an Accepted Manuscript of an article published by Taylor & Francis in The Journal of Adhesion on 29 Oct 2018, available online:
dc.subjectEngineering::Materials::Composite materialsen_US
dc.subjectEngineering::Materials::Mechanical strength of materialsen_US
dc.titleEffect of residual epoxy on single lap joints performanceen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en_US
dc.description.versionAccepted versionen_US
dc.subject.keywordsSurface Reconditioningen_US
dc.subject.keywordsThick Adhesive Jointsen_US
dc.description.acknowledgementThis research was carried out in the Rolls-Royce@ NTU Corporate Laboratory at Nanyang Technological University Singapore with support from National Research Foundation (NRF) of Singapore under Corp Lab@University Scheme.en_US
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