Experimental Study of the Stability of Composite Plates

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Abstract
An experimental study of the uniaxial compressive stability of rectangular boron-epoxy laminated plates is presented. The plates are clamped on the loaded edges and either clamped or simply- supported on the sides. The buckling loads are determined by means of Southwell plots and are compared to analytical results obtained with a previously published method. Experimental results are presented for twenty composite plates and four metal plates. Good agreement between the experimental and analytical results is shown for both symmetrical and unsymmetrical plates, and for plates strongly aniso tropic as well as orthotropic and isotropic.

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