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Predictive model for spherical indentation on elastoplastic nanocomposites: Loading and unloading behavior
Faculty
Engineering
Year:
2019
Type of Publication:
ZU Hosted
Pages:
Authors:
Ahmed Wagih Abdallah Abdelhady Deebes
Staff Zu Site
Abstract In Staff Site
Journal:
Ceramics International El Sevier
Volume:
Keywords :
Predictive model , spherical indentation , elastoplastic nanocomposites: Loading
Abstract:
The response of elastoplastic nanocomposites in contact with rigid indenter has a lot of importance in engineering applications such as material characterization, Young modulus, Poisson's ratio and strain hardening parameters. With the aim of presenting a predictive model for the loading and unloading response, the problem of contact between elastoplastic composites with stiff spherical indenter was simulated using 2D axisymmetric model implemented in ANSYS. Parametric studies were performed numerically to investigate effects of geometrical and material parameters on the behavior of nanocomposites. Based on the parametric study observation, a normalization procedure is presented to express the loading and unloading responses in a nondimensional form. Three equations were numerically derived by fitting the FE normalized data to predict the loading and unloading responses and the residual indentation depth after unloading for elastoplastic nanocomposite with wide range strain hardening exponent. The predictions of proposed equations were in excellent agreement with experimental results for Al-Al2O3 nanocomposites and also with other experiments available in the literature for nanocomposites and pure metals. Moreover, derived equations were exploited to predict the Rockwell hardness of nanocomposites.
Author Related Publications
Ahmed Wagih Abdallah Abdelhady Deebes, "Effect of milling time on morphology and microstructure of Al-Mg/Al2O3 nanocomposite powder produced by mechanical alloying", International Journal of Advances in Engineering Sciences, 2014
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Ahmed Wagih Abdallah Abdelhady Deebes, "Effect of Mechanical Milling on the Morphologyand Structural Evaluation ofAl- Al2O3 Nanocomposite Powders", International Journal of Engineering, 2014
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Ahmed Wagih Abdallah Abdelhady Deebes, "Bio-inspired composite laminate design with improved out-of-plane strength and ductility", El Sevier, 2021
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Ahmed Wagih Abdallah Abdelhady Deebes, "Experimental investigation and FE simulation of spherical indentation on nano-alumina reinforced copper-matrix composite produced by three different techniques", elsevier, 2017
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Ahmed Wagih Abdallah Abdelhady Deebes, "Improved mechanical and wear properties of hybrid Al-Al2O3/GNPs electroless coated Ni nanocomposite", Elsevier, 2018
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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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