不同针刺工艺的针刺复合材料面内拉伸强度分析
戚云超, 方国东, 周振功, 梁军

In-plane Tensile Strength for Needle-punched Composites Prepared by Different Needling Processes
QI Yunchao, FANG Guodong, ZHOU Zhengong, LIANG Jun
图11 无损伤和含损伤的无纬布纤维的断裂
Fig.11 Fiber fracture of non-woven fabrics without damage (a) and with process damage (b)