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Dynamic response and research of 3D braided Carbon Fiber Reinforced Plastics subjected to ballistic impact loading

机译：弹道冲击载荷下3D编织碳纤维增强塑料的动力响应及研究

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摘要

The damage mechanism of braided composites under ballistic impact condition is of paramount importance. In the present work, an experimental study was carried out to analyze the deformation failure mechanisms of 3D braided Carbon Fiber Reinforced Plastics (CFRPs) subjected to ballistic impact loading. A two camera system was adapted to study the damage initiation and propagation of 3D braided CFRPs under ballistic impact simultaneously, as well as the whole-field displacement field and strain field. Moreover, the energy absorption mechanism of 3D braided CFRPs was studied. Finally both C-Scan and digital microscope technique were used to observe different failure patterns on the surface of 3D braided CFRPs under ballistic impact. The typical deflection curves and damage modes were obtained. The results show that the absorbed energy and the incident velocity have a liner relationship approximately.
机译：编织复合材料在弹道冲击条件下的损伤机理至关重要。在目前的工作中，进行了一项实验研究，以分析承受弹道冲击载荷的3D编织碳纤维增强塑料（CFRP）的变形破坏机理。改装了两个摄像头系统，以同时研究弹道冲击下3D编织CFRP的损伤萌生和传播，以及全场位移场和应变场。此外，还研究了3D编织CFRP的能量吸收机理。最后，在弹道冲击下，使用C-Scan和数字显微镜技术观察3D编织CFRP表面的不同破坏模式。得到了典型的挠曲曲线和损伤模式。结果表明，吸收的能量和入射速度近似呈线性关系。

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  • 来源
    《Composite Structures》 |2018年第12期|578-587|共10页
  • 作者

    Yang Yongqi; Zhang Li; Guo Licheng; Zhang Wei; Zhao Jiuzhou; Xie Wenbo;

  • 作者单位

    Harbin Inst Technol, Dept Astronaut Sci & Mech, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Dept Astronaut Sci & Mech, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Dept Astronaut Sci & Mech, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Dept Astronaut Sci & Mech, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Dept Astronaut Sci & Mech, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Dept Astronaut Sci & Mech, Harbin 150001, Heilongjiang, Peoples R China;

  • 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

    3D braided composites; Three-dimensional digital image correlation; Damage mechanism; Energy absorption mechanism;

    机译：3D编织复合材料三维数字图像关联损伤机理能量吸收机理;

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