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Predictive model for indentation of elasto-plastic functionally graded composites
Faculty
Engineering
Year:
2020
Type of Publication:
ZU Hosted
Pages:
Authors:
Mohammed Adly AttiaIbrahiem
Staff Zu Site
Abstract In Staff Site
Journal:
Composites Part B: Engineering Elsevier Ltd
Volume:
Volume 197
Keywords :
Predictive model , indentation , elasto-plastic functionally graded
Abstract:
In this paper, the complex phenomena of the elastic and elastoplastic indentation responses of functionally graded materials (FGMs) are studied in the framework of frictional contact mechanics using finite element method. The proposed model accounts for the continuous gradation of all the elastic and plastic properties of the indented material along its thickness using power law function and Tamura, Tomota and Ozawa (TTO) model. Classical Coulomb's friction law is utilized to model the friction effect throughout the contact interface. The model is implemented in ANSYS FE software and utilized to simulate the axisymmetric frictional contact of an FGM substrate and a rigid spherical indenter. Parametric studies are performed to investigate the effects of friction coefficient, gradient index, and FGM-constituent materials on the frictional indentation behaviors of elastic and elastoplastic FGMs under loading/unloading pattern. Results show that the frictional contact response of elastoplastic FGMs can be controlled by appropriate choice of the gradient index. Using obtained numerical results, an empirical equation is derived to predict the normalized residual indentation depth for elastoplastic FGMs by knowing the gradient index and a single material parameter under frictional spherical indentation.
Author Related Publications
Mohammed Adly AttiaIbrahiem , "Vibration characteristics of two-dimensional FGM nanobeams with couple stress and surface energy under general boundary conditions", Elsevier, 2021
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Mohammed Adly AttiaIbrahiem , "Multi-objective optimization for lightweight design of bi-directional functionally graded beams for maximum frequency and buckling load", Elsevier, 2021
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Mohammed Adly AttiaIbrahiem , "On bending, buckling and free vibration analysis of 2D-FG tapered Timoshenko nanobeams based on modified couple stress and surface energy theories", Taylor & Francis, 2021
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Mohammed Adly AttiaIbrahiem , "Thermal vibration characteristics of pre/post‑buckled bi‑directional functionally graded tapered microbeams based on modifed couple stress Reddy beam theory", Springer, 2020
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Mohammed Adly AttiaIbrahiem , "Nonlinear thermal buckling and postbuckling analysis of bidirectional functionally graded tapered microbeams based on Reddy beam theory", Springer, 2020
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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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