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首页> 外文期刊>Plastics, Rubber and Composites >Tensile properties of multilayered biaxial weft knitted fabric reinforced composite material
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Tensile properties of multilayered biaxial weft knitted fabric reinforced composite material

机译：多层双轴纬编针织增强复合材料的拉伸性能

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The multilayered biaxial weft knitted (MBWK) fabric made of E-glass fibres and stitched with polyester yarns, which is a kind of non-crimp fabrics, has been impregnated with epoxy via resin film infusion technique to manufacture the composite plates. The tensile properties of the MBWK fabric reinforced composite are studied with the multidirectional tensile testing. The classical lamination theory is applied to evaluate both the tensile modulus and Poisson's ratio, which shows good agreements with the experimental results. Failure analyses are also available by means of sample debris examination to identify the failure modes and the scanning electron microscope to reveal the microscopic mechanism. Predictions of the tensile properties provide a way to estimate the mechanical behaviours of the MBWK composite structures. Elongation at break is independent ofthe testing directions, which can be used as the failure criterion of the composite.
机译：由电子玻璃纤维制成的多层双轴纬编（MBWK）织物，用聚酯纱线缝制而成，是一种非卷曲的织物，已通过树脂薄膜灌注技术用环氧树脂浸渍，以制造复合板。通过多向拉伸试验研究了MBWK织物增强复合材料的拉伸性能。应用经典的层合理论来评价拉伸模量和泊松比，这与实验结果吻合良好。还可以通过样品碎片检查进行故障分析，以识别故障模式，并通过扫描电子显微镜揭示其微观机理。拉伸性能的预测提供了一种估算MBWK复合结构力学性能的方法。断裂伸长率与测试方向无关，可以用作复合材料的破坏准则。

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