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Flexural behavior of functionally graded polymeric composite beams
Faculty
Engineering
Year:
2021
Type of Publication:
ZU Hosted
Pages:
Authors:
Mahmoud Mohamed Atta Mhmmud
Staff Zu Site
Abstract In Staff Site
Journal:
Journal of Industrial Textiles SAGE
Volume:
Keywords :
Flexural behavior , functionally graded polymeric composite
Abstract:
The bending test is one of the most important tests that demonstrates the advantages of functional gradient (FGM) materials, thanks to the stress gradient across the specimen depth. In this research, the flexural response of functionally graded polymeric composite material (FGM) is investigated both experimentally and numerically. Fabricated by a hand lay-up manufacturing technique, the unidirectional glass fiber reinforced epoxy composite composed of ten layers is used in the present investigation. A 3-D finite element simulation is used to predict the flexural strength based on Hashin’s failure criterion. To produce ten layers of FGM beams with different patterns, the fiber volume fraction (Vf%) ranges from 10% to 50%. A comparison between FGM beams and conventional composite beams having the same average Vf% is made. The experimental results show that the failure of the FGM beams under three points bending loading (3PB) test is initiated from the tensioned layers, and spread to the upper layer. The spreading is followed by delamination accompanied by shear failures. Finally, the FGM beams fail due to crushing in the compression zone. Furthermore, the delamination failure between the layers has a major effect on the rapidity of the final failure of the FGM beams. The present numerical results show that the gradient pattern of FGM beams is a critical parameter for improving their flexural behavior. Otherwise, Vf% of the outer layers of the FGM beams, i.e. Vf%¼30, 40, or 50%, is responsible for improving their flexural strength.
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, "Effects of composite patching on cyclic crack tip deformation of cracked pinned metallic joints", Taylor & Francis, 2020
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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
Samia Fawzy Saad Salam, "تأثير لزوجه المواد الداخليه على تصرف الأجسام المتلامسه المرنه ذات السطوح الخشنه ومتعدده الطبقات ", لايوجد, 1900
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Adel Fathy Meselhy Ibrahiem, "Fabrication and Properties of copper-alumina nanocomposite by mechano-chemical routes", لايوجد, 1900
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Ashraf Abdelfattah Ali Hassanein, "Self Assembled Ultra Fine Carbon Coils by Wet Electro-Spinning", Materials Letters, 2006; 60: 2858-2862, 2006
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Ashraf Abdelfattah Ali Hassanein, "New generation of super absorber nano fibroses hybrid fabric by electro-spinning", Journal of Materials Processing Technology, 2008; 199: 193-198, 2008
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Ashraf Abdelfattah Ali Hassanein, "Wet Electrospun CuNP/Carbon Ultra Fine Coils for Super Air Core Inductors", ICCE-19 Conference, Shanghai, China, 24-30 July 2011. Also, World Journal of Engineering, Supplement 3, 2010: 37-40., 2010
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