Analysis of the laminate's perforation resistance and the damage behavior is challenging due to the complex physical and geometric configurations. This work studied the mechanical behaviors both of carbon fiber reinforced plastic (CFRP) beam and square plate under transverse local load, including quasi-static indentation load and impact load. High-speed photography and non-invasive damage detective methods were used to capture specimens’ dynamic deformation, damage process, and resultant damage. Experiment results indicate that the CFRP specimens of the beam shape show higher perforation resistance as well as more damage patterns than that of the square shape. In addition, it was validated through numerical simulations by considering the strain-rate effect with rate-dependent constitutive model compiled through subroutine VUMAT.

由于复杂的物理和几何配置，对层压板的抗穿孔性和损坏行为的分析具有挑战性。这项工作研究了碳纤维增强塑料 (CFRP) 梁和方板在横向局部载荷下的力学行为，包括准静态压痕载荷和冲击载荷。采用高速摄影和非侵入性损伤检测方法，捕捉试样的动态变形、损伤过程和由此产生的损伤。实验结果表明，与方形相比，梁形状的 CFRP 试样表现出更高的抗穿孔性和更多的损伤模式。此外，通过子程序 VUMAT 编译的速率相关本构模型考虑应变率效应，通过数值模拟对其进行了验证。