Min Shengnan, Chai Yuan, Chu Yanyan, Chen Xiaogang
Beijing Key Laboratory of Clothing Materials R & D and Assessment, Beijing Engineering Research Center of Textile Nanofiber, School of Materials Science and Engineering, Beijing Institute of Fashion Technology, Beijing 100029, China.
Henry Moseley X-Ray Imaging Facility, University of Manchester, Manchester M13 9PL, UK.
Polymers (Basel). 2019 Jan 24;11(2):198. doi: 10.3390/polym11020198.
This paper studied the ballistic performance of 3D woven angle-interlock fabric reinforced composites with different types of panel construction. Two types of composites P10B and P17C were designed to have the same areal density of around 12 kg/m² although they both had different ply areal densities and consisted of different numbers of plies. Non-perforated ballistic impacts were conducted on the two types of panels under the same level of impact energy. Post-mortem examination on the non-perforated panels was conducted through the cross-sectional images, planar projected delamination and 3D damage volume extracted from the non-destructive tests. Three distinctive sections of damage were segmented from the non-perforated panels, each indicating different material failure modes upon impact. Under the same areal density, the coarser composite panel P10B with a larger ply areal density and fewer reinforcement plies would result in less damage. The damage volume of P10B is nearly one-third that of the P17C. The findings are instructive for the design of 3D woven fabric continuously reinforced composites with doubly-curved shapes.
本文研究了不同类型面板结构的三维机织角联锁织物增强复合材料的弹道性能。设计了两种复合材料P10B和P17C，尽管它们的单层面密度不同且层数不同，但它们的面密度均约为12 kg/m²。在相同的冲击能量水平下，对这两种类型的面板进行了无穿孔弹道冲击试验。通过从无损检测中提取的横截面图像、平面投影分层和三维损伤体积，对无穿孔面板进行了事后检查。从无穿孔面板中划分出三个不同的损伤区域，每个区域都表明了冲击时不同的材料失效模式。在相同面密度下，具有较大单层面密度和较少增强层数的较粗复合材料面板P10B造成的损伤较小。P10B的损伤体积几乎是P17C的三分之一。这些发现对于设计具有双曲面形状的三维机织织物连续增强复合材料具有指导意义。
