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Post-impact flexural behavior of carbon-aramid/epoxy hybrid composites
Faculty
Engineering
Year:
2020
Type of Publication:
ZU Hosted
Pages:
Authors:
Ahmed Wagih Abdallah Abdelhady Deebes
Staff Zu Site
Abstract In Staff Site
Journal:
Composite structures El Sevier
Volume:
Keywords :
Post-impact flexural behavior , carbon-aramid/epoxy hybrid composites
Abstract:
Hybrid polymeric composites are currently used in aerospace structures due to their specific strength and stiffness as well as larger design space. This paper presents an experimental study on residual flexural strength of impacted Carbon-aramid/Epoxy hybrid composite laminates. Specimens are designed in a sandwich form in which plies of aramid/epoxy represent the core and carbon/epoxy plies play the role of face sheets. This design is expected to take advantage of the high energy absorption capabilities of aramid/epoxy composites. We predamage such composites by performing low-velocity impact at different energy levels. Three-point bending tests then are used to measure the residual flexural strength for the impacted specimens. The damage sequence during three-point bending is monitored using a camera and, later on, with computed tomography. The results show that, unlike the all-carbon/epoxy laminates, the carbon fiber plies in the lower part of the laminate (non-impacted face) are not fractured after either the impact test or the three-point bending test. The damage is locally concentrated at the impacted face and the upper part of the aramid plies core. As a result, the strength losses are smaller, as compared to available results in the literature for carbon/epoxy composites, glass/epoxy and carbon fibers with aluminium core laminates.
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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