衝撃荷重を受ける2層積層材の動的応答

概要

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This paper shows a simple analysis method based on the finite element for dynamic response of two layered laminates subjected to impact load. The two layered laminates consistes of two stiff plates and an adhesive layer which connects both stiff plates. Visco-elastic characteristics of the adhesive were represented by a simple Voigt model. An experiment that a bonded beam specimen made of two aluminum strips as stiff plates was hit by an impact hammer,was conducted. Both time-deformation history at the free end surface strains of the beam were compared with the calculated results. The comparison showed that the present method was effective to predict the time dependent interlaminar stress of two layered laminates under impact loading. The basic equations motion for multi-layered laminates were also given in this paper.
社団法人日本材料学会の論文
1986-10-15