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S. VLASE1, H. TEODORESCU-DRAGHICESCU1,* , M. R. CALIN2, L. SERBINA2
The paper presents simulations regarding the elastic properties of glass, carbon and Kevlar49 fibre-reinforced composite laminates based on epoxy resin and subjected to off-axis loading system using an approach developed by Clyne and Withers within Cambridge University, UK [13]. Following composite laminates with HM-carbon, HS-carbon and Kevlar49 fibres with plies sequence [0/90/0/90], [0/45/-45/90] and [45/-45/45/-45] as well as E-glass fibres-reinforced laminates with plies sequence [16/-81.8], [30/-30/90], [55/-55] have been used in simulations. The glass fibres laminates with the above plies sequence are commonly used to withstand the inner pressure of composite tubes and tanks. The elastic constants as well as the tensile-shear interaction have been determined. In order to obtain equal stiffness in all off-axis loading systems, a composite laminate has to present balanced angle plies. A comparison between the elastic properties of these laminates and the quasiisotropic ones is presented. Tensile-shear interaction in a fibre-reinforced composite laminate occurs only if the off-axis loading system does not coincide with the main axes of a single lamina or if the laminate is not balanced..
Carbon fibres, Glass fibres, Off-axis loadings, Composite laminates, Elastic properties.
S. VLASE, H. TEODORESCU-DRAGHICESCU, M. R. CALIN, L. SERBINA, Simulation of the elastic properties of some fibrereinforced composite laminates under off-axis loading system, Optoelectronics and Advanced Materials - Rapid Communications, 5, 4, April 2011, pp.424-429 (2011).
Submitted at: March 18, 2011
Accepted at: April 11, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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