碳纳米管改性对碳/ 环氧复合材料层间性能的影响
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航天材料及工艺研究所,北京 100076

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TB332

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Effect of Carbon Nanotubes Modification on Interlaminal Properties ofC/ E Composite
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    摘要:

    研究了在碳纤维织物上生长碳纳米管的改性对环氧树脂基复合材料层间性能的影响ꎬ对比了有
    无碳纳米管的碳纤维复合材料的层间剪切和弯曲性能ꎬ并采用碳纤维表面结合碳纳米管膜的方法研究了碳纳
    米管对碳/ 环氧复合材料层间性能的影响ꎮ 结果表明ꎬ由于生长的碳纳米管长度过长( >10 μm)、末端无序排列
    为笼状ꎬ树脂无法进入碳纳米管内部ꎬ碳纳米管无法发挥增强作用ꎬ同时由于碳纳米管过长ꎬ复合材料内部缺陷
    增多ꎬ使得四种生长碳纳米管的碳纤维复合材料层间性能均有下降ꎻ而碳纳米管膜与碳纤维和树脂基体结合较
    好ꎬ使得复合材料层间剪切强度提高12%。

    Abstract:

    The effects of interlaminal properties of composite with resin and carbon fiber woven modified with
    carbon nanutubes grown on carbon fiber are investigated. The interlaminal shear strength and flexural strength of car ̄
    bon ̄epoxy composite with four kinds of carbon nanutubes grown and without carbon nanutubes are compared. The
    effects of interlaminal properties of canbon nanotubes on carbon ̄epoxy composite with the method of the canbon nano ̄
    tubes film combinated with carbon fiber are also studied. It is showed that the interlaminal properties of carbon ̄epoxy
    composite with four kinds of carbon nanutubes grown is worse than that without carbon nanutubes because the inner
    defects increase for overlong canbon nanotubes and the resin can not immerse in the carbon nanutubes because canbon
    nanotubes are overlong( >10 μm) and form “cage” due to arranging disorderly on the end leading to carbon nano ̄
    tubes playing no reinforcing effect. The canbon nanotubes filmꎬhowever well combined with carbon fiber and resinꎬ
    leading to the interlaminal shear properties improving 12%.

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梁 馨 方 洲 罗丽娟 程 雷 吴 阳.碳纳米管改性对碳/ 环氧复合材料层间性能的影响[J].宇航材料工艺,2016,46(4).

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  • 在线发布日期: 2016-11-28
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第十一届航天复合材料成形与加工工艺技术中心交流会 征文通知

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