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首页> 外文期刊>The Journal of the Textile Institute >Novelties of 3-D woven composites and nanocomposites
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Novelties of 3-D woven composites and nanocomposites

机译：3-D编织复合材料和纳米复合材料的新颖性

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摘要

This research is aimed to investigate the mechanical behaviour of 3-D woven fabrics as compared to 2-D woven fabrics and subsequently to check its suitability for composite applications. Mechanical tests especially related to ballistic protection of these fabrics were carried out to see the effect of fabric structure on its mechanical properties. The tensile test showed higher strength for 3-D fabrics as compared to 2-D fabrics. Improvement in the breaking load and energy absorption of 3-D fabrics was also observed in the impact test. Furthermore, applicability of 2-D and 3-D glass woven fabrics for composites was also studied in this work. An exploratory work has been carried out in the field of three phase composite in which fly ash nanoparticles were incorporated in addition with glass fabrics while preparing composites. These fly ash nanoparticles were prepared by high-energy ball milling technique and its effects on mechanical properties of composites were observed. Three-point bending flexural test showed higher flexural strength and modulus of 3-D woven composite and addition of nanoparticles further enhanced the properties of composites. Impact test analysis revealed that the 3-D woven glass fabric/ epoxy composites exhibit superior breaking load and total energy than those with 2-D plain woven fabric as reinforcement.
机译：这项研究旨在研究3D机织织物与2D机织织物相比的机械性能，并随后检查其在复合材料中的适用性。进行了特别是与这些织物的防弹保护有关的机械测试，以观察织物结构对其机械性能的影响。拉伸试验显示3-D织物比2-D织物具有更高的强度。在冲击试验中还观察到3-D织物的断裂载荷和能量吸收的改善。此外，还研究了2-D和3-D玻璃织物在复合材料中的适用性。在三相复合材料领域中已经进行了探索性工作，其中在制备复合材料的同时，将飞灰纳米颗粒与玻璃纤维织物一起掺入。利用高能球磨技术制备了这些粉煤灰纳米颗粒，观察了其对复合材料力学性能的影响。三点弯曲挠曲试验表明3-D编织复合材料具有更高的弯曲强度和模量，纳米颗粒的添加进一步增强了复合材料的性能。冲击试验分析表明，与以2D平纹织物为增强材料的3D玻璃纤维织物/环氧树脂复合材料相比，其断裂载荷和总能量更高。

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