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Implementing functionally graded fibers technique to enhance pinned-joint performance in cross-ply laminate polymeric composites
Faculty
Engineering
Year:
2023
Type of Publication:
ZU Hosted
Pages:
Authors:
Hossameldien Mohamed Salam Helmy
Staff Zu Site
Abstract In Staff Site
Journal:
Composite Structures sciencedirect
Volume:
313
Keywords :
Implementing functionally graded fibers technique , enhance
Abstract:
There are several techniques for improving the bearing performance of laminated composites, such as metal-bonded inserts, steered fiber, nano-reinforcements of the matrix, and molded holes. Although functionally graded materials (FGM) were successfully implemented in adhesive joints, it is still not used in bolted joints. The novelty of this work and its objective are implementing the FGM concept to improve the bearing performance of pinned joints in cross-ply glass fiber-reinforced epoxy laminated composites. The effect of the joint geometries and stacking sequences on pinned joints bearing strength and failure modes were investigated. A 3-D finite element model based on Hashin's failure criteria was performed to predict joint strength and progressive failure. It was found that the FGM pinned joint (FG-CM) had higher bearing strength than the conventional pinned joints technique (C-CM). The bearing strength of composite with stacking sequence [90°/0°/90°]s was higher than that of [0°/90°/0°]s for both FG-CM and C-CM.
Author Related Publications
Hossameldien Mohamed Salam Helmy, "Effects of composite patching on cyclic crack tip deformation of cracked pinned metallic joints", Taylor & Francis Group, 2021
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Hossameldien Mohamed Salam Helmy, "Intrinsic fracture toughness of fiber reinforced and functionally graded concretes: An innovative approach", sciencedirect, 2021
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Hossameldien Mohamed Salam Helmy, "Flexural behavior of functionally graded concrete beams with different patterns", springer, 2021
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Hossameldien Mohamed Salam Helmy, "Mechanical properties of sustainable concrete comprising various wastes", Springer, 2023
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Hossameldien Mohamed Salam Helmy, "An Assessment of ASTM E1922 for Measuring the Translaminar Fracture Toughness of Laminated Polymer Matrix Composite Materials", MDPI, 2021
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Mohamed Abdallah Hussin Elmenyawy, ""Characterization of CNTs /Carbon Nanofibril Composites Via Positron Annihilation"", Engineering Research Journal ( ERJ ),ISSN 1110-1180, Faculty of Engineering, Minoufiya University, 2017
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