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Heavily loaded bonded composite structure: design, manufacture and test of 'I' beam specimens

机译：重载粘结复合结构：“ I”形梁试样的设计，制造和测试

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摘要

The use of adhesive bonding in advanced composite structures offers the potential for considerable weight and cost saving compared to the use of mechanical fasteners. However, confidence must be developed in the ability to design and analyse such structures and in their manufacture to suitable quality standards. The programme of work described here was carried out as a step towards building such confidence. Secondarily bonded "I" beams were designed to carry an ultimate shear flow of 1712 Nm m~-1. They were manufactured under factory conditions and predictions were made of their failure loads and modes. The beams were then Tested in three- and four-point bending and the outcomes of these tests were compared to predictions.
机译：与使用机械紧固件相比，在先进的复合结构中使用粘接剂可显着减轻重量并节省成本。但是，必须对这种结构的设计和分析能力以及按照适当的质量标准进行制造的能力建立信心。这里描述的工作方案是建立这种信心的一步。二次粘结的“ I”型梁设计为承受1712 Nm m〜-1的极限剪切力。它们是在工厂条件下制造的，并对其失效负载和模式进行了预测。然后对梁进行三点和四点弯曲测试，并将这些测试的结果与预测结果进行比较。

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