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Title: The Influence of Fiber Waviness on the Reduction of Critical Buckling Load of Composites Containing Fiber Waviness
Authors: Rai, Habib 
Honein, Elie 
Najjar, Michel
Affiliations: Department of Mechanical Engineering 
Department of Mechanical Engineering 
Department of Mechanical Engineering 
Keywords: Critical buckling
Fiber Waviness
Shear buckling
Issue Date: 2007
Part of: Proceedings of Society for the Advancement of Materials Process Engineering.
Conference: International SAMPE Technical Conference (39th : 729 Oct- 1 Nov 200 : OH; United States) 
The present research involves the development of theoretical model to investigate the effect of the in-plane fiber waviness on the critical shear buckling load of multilayered composite plates. This paper analyzes the in-plane shear buckling behavior of a clamped composite laminate in which fibers are considered as in-plane sinusoidal curves. The sinusoidal fiber orientation induces a change in the lamina elastic properties, which influence the laminate extensional, coupling, bending stiffness, and buckling strength. Stability of the plate is investigated and reduction of critical buckling load versus fiber waviness is obtained. The stress distribution in the layer containing fiber waviness is calculated. It was found that reduction of stiffness, and buckling loads are substantial.
Type: Conference Paper
Appears in Collections:Department of Mechanical Engineering

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