Stress and damage analysis of composite-aluminium joints used in electrical insulators subject to traction and bending

Philippe Bonhote; Thomas Gmuer; John Botsis; Konstantin O. Papailiou

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Stress and damage analysis of composite-aluminium joints used in electrical insulators subject to traction and bending

机译：绝缘子用铝塑复合材料牵引和弯曲应力与损伤分析

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Numerical and experimental stress and failure studies are performed on metal/fibreglass-reinforced-plastic (GRP) joints used in composite electrical insulators consisting of an epoxy tube reinforced with E-glass fibres and of two aluminium fittings fastened to the tube with an adhesive. Subjected to traction and bending, the joints are modelled with axisymmetric 2D and solid 3D finite elements respectively. Numerical stress and strain distributions through the bond are calculated and the damage initiation in the composite is highlighted. The simulations are compared to experimental data obtained from several joint specimens tested on an experimental set-up equipped with strain gauges and an acoustic emission system. Good correlation between the numerical predictions and the experimental results is found.

机译：在用于复合电绝缘体的金属/玻璃纤维增强塑料（GRP）接头上进行了数值和实验应力与破坏研究，该接头包括用E玻璃纤维增强的环氧管和用粘合剂固定在管上的两个铝配件。在受到牵引和弯曲作用的情况下，分别用轴对称2D和实体3D有限元对关节建模。计算通过键的数值应力和应变分布，并突出显示复合材料中的破坏起因。将模拟与从几个关节样本获得的实验数据进行比较，这些样本是在配有应变仪和声发射系统的实验装置上进行测试的。发现数值预测与实验结果之间具有良好的相关性。

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来源
《Composite Structures》 |2004年第4期|p.359-367|共9页
作者
Philippe Bonhote; Thomas Gmuer; John Botsis; Konstantin O. Papailiou;
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作者单位

Ecole polytechnique federale de Lausanne (EPFL), Faculte des sciences et techniques de l'ingenieur, Laboratoire de mecanique appliquee et d'analyse de fiabilite, 1015 Lausanne, Switzerland;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
numerical analysis; acoustic emission; Metal-composite joints; tubular joints; composite insulators;

机译：数值分析;声发射;金属复合接头;管状接头;复合绝缘子;

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Stress and damage analysis of composite-aluminium joints used in electrical insulators subject to traction and bending

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