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复合材料管接头拉扭作用下胶层应力分析

, PP. 96-101

Keywords: 复合材料管,胶接接头,管接头应力分析,管接头设计

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Abstract:

发展了一种复合材料胶接管接头在拉伸和扭转载荷作用下胶层内应力分析模型。该模型利用管接头结构中缠绕法成形的管和套管材料、几何形状和所承受载荷的轴对称性,采用一阶层合板理论分析管壁的应力和变形。通过管接头中管、套管和它们之间胶层的位移协调性确定胶层内的应变和应力,从而建立了管接头结构的平衡方程。本模型计算了缠绕角为54°和26°管接头胶层内剥离应力、轴向剪切应力和切向剪切应力,计算结果与有限元分析结果相吻合。

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