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12 断裂纤维的根数与体积折减系数的关系
Fig.12 Relationship between the number of broken fibers and volume reduction coefficient