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Effects of composite patching on cyclic crack tip deformation of cracked pinned metallic joints
Faculty
Engineering
Year:
2020
Type of Publication:
ZU Hosted
Pages:
Authors:
Mahmoud Mohamed Atta Mhmmud
Staff Zu Site
Abstract In Staff Site
Journal:
Journal of Adhesion Taylor & Francis
Volume:
Keywords :
Effects , composite patching , cyclic crack , deformation
Abstract:
Advanced composite patching has been used to rehabilitate cracked structures. In this work, the effects of bonded carbon fiber-reinforced polymer (CFRP) patch on reducing the crack tip driving forces, namely J-integral, crack tip plastic zone, and crack tip opening displacement, of a crack emanating from a fastener hole, under cyclic loading, was studied. The number of CFRP layers, the orientation of the fiber with respect to the direction of the path of the crack, and the pinned joint configurations are the main parameters studied in this research. A three-dimensional finite element model was employed in this work, using ABAQUS. The double-sided CFRP patch-repaired pinned joint is simulated in order to study crack retardation behavior under two different combinations of loading, i.e. Modes I and II. The results of the study show that the stiffness of the cracked pinned joint is increased by using a CFRP composite patch. The reduction in the J-integral ranged from 25% to 45%, depending on the length of the crack and the mode of the crack. Moreover, the monotonic and cyclic crack tip plastic zones decreased by 5% to 45%, depending on the length of the crack.
Author Related Publications
Mahmoud Mohamed Atta Mhmmud, "MECHANICAL AND BOND BEHAVIOR OF AN ADVANCED QURANIC METAL-MATRIXCOMPOSITE MATERIAL (QMMC)", ASME 2019 14th International Manufacturing Science and Engineering Conference, 2019
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Mahmoud Mohamed Atta Mhmmud, "Flexural behavior of functionally graded polymeric composite beams", SAGE, 2021
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Mahmoud Mohamed Atta Mhmmud, "Effects of composite patching on cyclic crack tip deformation of cracked pinned metallic joints", Taylor & Francis Group, 2021
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Mahmoud Mohamed Atta Mhmmud, "Mechanical and Tribological Behavior of Functionally Graded Unidirectional Glass Fiber-Reinforced Epoxy Composites", MDPI, 2022
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Mahmoud Mohamed Atta Mhmmud, "Flexural behavior of functionally graded polymeric composite beams", SAGE Publications, 2022
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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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