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首页> 外文期刊>Composite Structures >Effect of fibre architecture on tensile pull-off behaviour of 3D woven composite T-joints
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Effect of fibre architecture on tensile pull-off behaviour of 3D woven composite T-joints

机译：纤维架构对3D编织复合T关节的拉伸拉出行为的影响

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3D woven composites are frequently employed due to their improved through-thickness properties and high damage tolerance compared with laminated composites. Due to the large design space for 3D weave patterns, an in-depth understanding of the relationship between the weave parameters and mechanical properties is essential for the design of these materials. This numerical study investigates the effect of fibre architecture on the mechanical performance of 3D woven composite T-joints under tensile pull-off loading. Six weave pattern variations, subjected to the same preform manufacturing constraint, are designed and numerically analysed, along with another two that have been manufactured and tested for validation previously. Results show a significant architecture dependence in the mechanical responses. Following the design of experiments on weave patterns, the complex architecture-dependant effect is decoupled by two independent variables, yarn path entanglement and yarn path crossover. The study also provides design recommendations for 3D woven T-joint reinforcements under tensile pull-off loading.
机译：与叠层复合材料相比，通过其改善的贯穿厚度性能和高损伤耐受性，经常使用3D编织复合材料。由于3D编织图案的大型设计空间，对编织参数和机械性能之间的关系的深入理解对于这些材料的设计是必不可少的。该数值研究调查了纤维架构对拉伸拉开载荷下3D编织复合T关节的机械性能的影响。设计和数值分析了经受相同的预制件制造限制的六种织物图案变化，以及以前已经制造和测试的另外两个。结果显示了在机械反应中的显着建筑依赖性。在编织图案的实验设计之后，复杂的架构依赖效果由两个独立变量，纱线路径纠缠和纱线交叉分离。该研究还提供了在拉伸拉开载荷下进行3D编织T型加强件的设计建议。

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