Abstract Bonded tubular joints are currently found in many different engineering applications, ranging from large scale structures to smaller technological subsystems, providing an efficient method for joining dissimilar materials while ensuring excellent sealing capabilities. In the present work, a flexible tubular metal-polymer adhesive joint was studied. This joint is used in the construction of a liquid cooling system, and is designed to withstand large torsional deflections. Three different layouts were considered, in order to assess the influence of the manufacturing procedure on joint performance, especially with regards to the optimal surface treatment and the geometrical parameters of the adhesive layer. The substrate materials were characterized to better understand the joint behaviour and a custom bonding fixture was designed to produce this type of joint. Results show that the layout of the joint, considering its geometry and materials, has a major influence on the mechanical performance of the joint and the torsion test results allowed to identify an effective overlap length, supporting numerically obtained results from a complementary work.

中文翻译：

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扭转载荷下的柔性管状金属聚合物粘合剂接头

摘要 目前，粘结管接头在许多不同的工程应用中都有发现，从大型结构到较小的技术子系统，为连接不同材料提供了一种有效的方法，同时确保了出色的密封能力。在目前的工作中，研究了柔性管状金属聚合物粘合剂接头。该接头用于构建液体冷却系统，旨在承受较大的扭转变形。考虑了三种不同的布局，以评估制造程序对接头性能的影响，特别是关于最佳表面处理和粘合剂层几何参数的影响。对基板材料进行表征以更好地了解接头行为，并且设计了定制的粘合夹具来产生这种类型的接头。结果表明，考虑到其几何形状和材料，接头的布局对接头的机械性能有重大影响，扭转测试结果允许识别有效重叠长度，支持从补充工作中获得的数值结果。