Both metal and fiberglass epoxy composite plates when fully clamped all four edges and subjected to mild blast loadings, deform by a traveling hinge mechanism which is initiated at the edges and proceeds towards the center of the plate. The main energy absorbing mechanism of the metal plate appears to be plastic membrane work with failure initiated at the edges of the plate. For the fiberglass epoxy plate the dominant energy absorbing mechanism appears to be interlaminar delamination with failure occurring by fiber breakage at the plate edges. (Author).
04 OCT 1977
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