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首页> 外文期刊>Construction and Building Materials >Improving the delamination resistance of carbon fiber/epoxy composites by brushing and abrading of the woven fabrics
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Improving the delamination resistance of carbon fiber/epoxy composites by brushing and abrading of the woven fabrics

机译：通过对机织织物进行刷毛和研磨来提高碳纤维/环氧树脂复合材料的抗分层性

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摘要

To improve the delamination resistance of the carbon fiber/epoxy composite (CF/E), the surface of the woven carbon fabric reinforcement was modified by in situ formed carbon fiber forest (CFF), which acts as novel interleaf in the laminates. The CFF was mechanically fabricated through a simple surface brushing and abrading of carbon fabrics. With the modification of CFF, the mode I interlaminar fracture toughness of CF/E composite laminates could be remarkably enhanced by similar to 83% with moderate loss of their in plane tensile strength. Microscopy observation revealed that CFF formed a three-dimensional fiber network in the matrix rich area in the interlayer of the laminates. Mechanism studies indicated that the toughness improvement of the modified CF/E composites mainly originated from the fiber bridging caused by the CFF rooting in the fabrics, displaying similar through-the-thickness reinforcing mechanism to that of the 2.5 dimensional fabric reinforced composites. (C) 2017 Elsevier Ltd. All rights reserved.
机译：为了提高碳纤维/环氧树脂复合材料（CF / E）的抗脱层性，碳纤维编织物增强材料的表面通过原位形成的碳纤维森林（CFF）进行了改性，该碳纤维森林在层压板中充当了新型的插入层。 CFF是通过简单的碳纤维织物表面刷磨和机械加工制成的。通过改变CFF，CF / E复合材料层压板的I型层间断裂韧性可以显着提高约83％，而它们的面内抗拉强度却适度降低。显微镜观察显示，CFF在层压板的中间层中的基质富集区域中形成了三维纤维网络。机理研究表明，改性CF / E复合材料的韧性提高主要源自CFF生根在织物中引起的纤维桥接，显示出与2.5维织物增强复合材料相似的贯穿厚度的增强机理。 （C）2017 Elsevier Ltd.保留所有权利。

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  • 来源
    《Construction and Building Materials》 |2018年第15期|257-263|共7页
  • 作者

    Xu Feng; Huang De-dong; Du Xusheng;

  • 作者单位

    Northwestern Polytech Univ, Sch Astronaut, Xian 710072, Shaanxi, Peoples R China|Univ Sydney, Sch Aerosp Mech & Mech Engn J07, CAMT, Sydney, NSW 2006, Australia;

    Northwestern Polytech Univ, Sch Astronaut, Xian 710072, Shaanxi, Peoples R China;

    Jinan Univ, Inst Adv Wear & Corros Resistance & Funct Mat, Guangzhou 510632, Guangdong, Peoples R China|Univ Sydney, Sch Aerosp Mech & Mech Engn J07, CAMT, Sydney, NSW 2006, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    CF/E composites; Interlaminar fracture toughness; Fiber bridging; Abrading; Interleaf;

    机译：CF / E复合材料;层间断裂韧性;纤维桥接;磨蚀;内插层;

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