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Bio-inspired composite laminate design with improved out-of-plane strength and ductility
Faculty
Engineering
Year:
2021
Type of Publication:
ZU Hosted
Pages:
12
Authors:
Abdallah Mahmoud Bayoumi Kabel
Staff Zu Site
Abstract In Staff Site
Journal:
Composite Part A Elsevier
Volume:
144
Keywords :
Bio-inspired composite laminate design with improved
Abstract:
Low failure strain and catastrophic failure are the most critical challenges of carbon fiber reinforced polymer composite laminates. To tackle these challenges, inspired by core shells, we created discontinuities in the laminate microstructure to activate extra energy dissipation mechanisms that improves flexural response. In bio-inspired laminates, embedded defects and delaminations are imposed at different thickness positions of the laminate during lamination process. The flexural properties of the proposed bio-inspired laminates were characterized using three-point bending test. Different damage modes and their sequences in conventional and bio-inspired laminates were identified using microcomputed tomography. Experimental results showed that, the flexural properties of bio-inspired composites can be tailored by changing the through-the-thickness delamination position and size. It was demonstrated that, the strength, failure strain and energy absorption ability of the optimized bio-inspired laminates, with 10 mm delamination diameter at the nearest interface to the indenter, were improved by 11.9%, 208% and 288.1% compared to conventional laminate. Moreover, these bio-inspired composites showed a progressive damage mode with pseudo-ductility response, where a slight degradation of the strength occurred followed by increased strain and sustaining the same strength up to failure strain two times larger than the initiation strain. Therefore, the proposed bio-inspired laminates showed a metal-like failure that provides warning alert to the final failure, which makes them applicable in many industrial applications.
Author Related Publications
Abdallah Mahmoud Bayoumi Kabel, "Net-tension strength of double-lap joints under bearing-bypass loading conditions using the cohesive zone model", Elsevier, 2015
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Abdallah Mahmoud Bayoumi Kabel, "Optimum design of laminated composite plates under dynamic excitation", Elsevier, 2012
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Abdallah Mahmoud Bayoumi Kabel, "Effect of loading and lamination parameters on the optimum design of laminated plates", Springer, 2011
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Abdallah Mahmoud Bayoumi Kabel, "Net-tension strength of double lap joints taking into account the material cohesive law", ScienceDirect, 2014
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Abdallah Mahmoud Bayoumi Kabel, "Nominal strength of quasi-brittle open hole specimens under biaxial loading conditions", SciVerse ScienceDirect, 2013
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Department Related Publications
Adel Fathy Meselhy Ibrahiem, "Effect of some manufacturing parameters on mechanical properties of extruded Al-alumina composites", لايوجد, 1900
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Ashraf Abdelfattah Ali Hassanein, "A novel 3-D graphite structure from thermally stabilized electrospun MWCNTs/PAN nanofibril composite fabrics", International Journal of Advanced Manufacturing Technology, 2014
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Amal Elhosaieny Meselhy Alshorbagy, "Free vibration characteristics of a functionally graded beam by finite element method", www.elsevier.com/locate/apm, 2010
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Mohammed Abdelmoniem Mohamed Eltaher , "Static and buckling analysis of functionally graded Timoshenko nanobeams", www.elsevier.com, 2014
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Tamer Ali Abdella Sebaee, "AN EXPERIMENTAL STUDY ON THE BOLTED JOINT CONNECTIONS IN GFRE [0/90]2S LAMINATES", Minoufiya University, 2009
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