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首页> 外文期刊>International Journal of Mechanical Sciences >Static and dynamic behaviour of composite riveted joints in tension
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Static and dynamic behaviour of composite riveted joints in tension

机译：复合铆接接头在拉力作用下的静态和动态行为

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摘要

The tensile response and failure of composite riveted joints are studied experimentally in the present paper. Seven joint configurations for aircraft application are tested at quasi-static, 4 and 8 m/s nominal loading rates. Joint specimens are made of CFRP in a number of lay-ups of unidirectional tapes and woven fabrics. A dynamic tensile test method is designed to give reliable test results. It is shown that the variation of tensile strength with loading rate is negligible for the tested composite riveted joints. However, for most of the tested specimens, the average total energy absorption of the composite joint increases with increasing loading rate. Various failure modes are identified for various joint designs and it was found that joint failure modes can change with varying loading rates.
机译：本文通过实验研究了复合铆接接头的拉伸响应和破坏。在准静态，4和8 m / s的额定负载速率下测试了飞机应用的七个关节配置。联合标本由CFRP制成，并铺有许多单向胶带和机织织物。动态拉伸测试方法旨在提供可靠的测试结果。结果表明，经测试的复合铆接接头的抗拉强度随载荷率的变化可忽略不计。但是，对于大多数测试样品，复合材料接头的平均总能量吸收随加载速率的增加而增加。针对各种接头设计，确定了各种失效模式，并且发现，接头失效模式会随着负载率的变化而变化。

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