材料
Online ISSN : 1880-7488
Print ISSN : 0514-5163
ISSN-L : 0514-5163
はく離を有する接着構造板の振動特性解析
谷本 安浩西脇 剛史大仁田 孝史前川 善一郎
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2001 年 50 巻 9 号 p. 994-998

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The purpose of this study is to investigate the vibration damping properties of adhesive structure plates with delamination by transient dynamic analysis. The adhesive structure plates used in this work consist of carbon fiber reinforced plastics (CFRP), and aluminum as two adherends and adhesion with high damping properties as an adhesive layer. The proposed numerical model is constructed independently modeled as adherend with shell element and adhesive with beam element respectively. The proposed method of numerical analysis was used to analyze the damping factors of the adhesive structure plates. The validity of the numerical model for the damping analysis of adhesive structure plates was checked through comparisons with experimental results. It was found that delaminated plate had the higher damping property than virgin plate. Using this model, the influences of area and position of delamination in adhesive layer upon the damping factors are discussed.

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