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On the evolution of energy dissipation in dispersed composite laminates under out-of-plane loading
Faculty
Engineering
Year:
2021
Type of Publication:
ZU Hosted
Pages:
Authors:
Ahmed Wagih Abdallah Abdelhady Deebes
Staff Zu Site
Abstract In Staff Site
Journal:
Composites Part B El Sevier
Volume:
Keywords :
, , evolution , energy dissipation , dispersed composite laminates under
Abstract:
In this paper, we present a novel model to predict the energy dissipation in composite laminates during out-ofplane loading based on experimental observations. Damage mechanisms and their sequences in composite laminates under out-of-plane loading were experimentally investigated and correlated with the energy dissipated during loading. The results showed that the energy dissipated during fiber breakage was around 3 times larger than that for delamination propagation. The first damage mechanism occurred during out-of-plane loading is matrix cracks and induced delaminations. Then, delamination propagated at different interfaces mainly at the lower half of the laminate dividing the laminate to sub-laminates. Once the normal tensile stresses due to bending at the lower plies reached the tensile strength of fibers, fiber breakage occurs causing large load drop and energy jump. The propagation of fiber breakage caused continuous load decrease and dissipation energy increase until complete perforation of the sample. Based on our experiments and others available in the literature, we concluded that the developed model is independent of the material type, stacking sequence, impactor size and boundary conditions. The model can be used as fast tool for designing composite laminates based on the energy dissipation and residual compressive strength.
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
Soliman Soliman Soliman Alieldien, "A first-order shear deformation finite element model for elastostatic analysis of laminated composite plates and the equivalent functionally graded plates", Ain Shams Engineering Journal, 2011
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Soliman Soliman Soliman Alieldien, "Size-dependent analysis of functionally graded ultra-thin films", Structural Engineering and Mechanics, Vol. 44, No. 4 (2012) 431-448, 2012
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Soliman Soliman Soliman Alieldien, "Bending Analysis of Ultra-thin Functionally Graded Mindlin Plates Incorporating Surface Energy Effects", International Journal of Mechanical Sciences, 2013
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Soliman Soliman Soliman Alieldien, "Finite element analysis of functionally graded nano-scale films", Finite Elements in Analysis and Design, 2013
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Soliman Soliman Soliman Alieldien, "Finite Element Analysis of the Deformation of Functionally Graded Plates under Thermomechanical Loads", Mathematical Problems in Engineering, 2013
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