日本複合材料学会誌
Online ISSN : 1884-8559
Print ISSN : 0385-2563
ISSN-L : 0385-2563
軟質心材を有するハイブリッドFRPサンドイッチ円筒殻の軸圧縮座屈
邉 吾一太田 浩植村 益次
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1986 年 12 巻 3 号 p. 116-122

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The buckling of hybrid FRP sandwich circular cylinders under axial compression was analysed, which had both faces with different elastic orthotropies and thicknesses and orthotropic core. In a particular case of sandwich cylinders with soft core having low shear rigidity, an explicit expression for buckling load with axially symmetric mode could be presented. In order to verify the above analysis, experiments were carried out on the three kinds of hybrid sandwich cylinders which have aluminum inner face, filament-wound or aluminum outer face and poly-urethane formed core, which would be useful for the low-temperature liquid container. It was found that the buckling took place in shear mode in core with almost the same values as predicted in the analysis.
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