Analytical method for determination of temperature-induced interfacial shear stress in foam-core composite sandwich materials
作者： Qi Wu , Fangyu Yang , Guoqing Sun , Weiqing Liu , Lu Wang
DOI: 10.1080/14658011.2018.1469711
关键词:
摘要: ABSTRACTComposite sandwich materials with glass fibre-reinforced plastic (GFRP) skins and a foam core have been widely used in civil engineering. However, the interfacial delamination is main failure mode practice, especially at elevated temperatures. Temperature-induced shear stress can be generated because of different coefficients thermal expansion GFRP skin core, which weaken bond strength materials. In this study, to investigate distribution temperature-induced strain, an analytical model was developed by using infinitesimal method. meantime, series foam-core composite were tested via kind non-direct test method temperatures validate accuracy proposed model. Finally, comparison between experimental results demonstrates that predict strain struc...
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