Experimental studies have been presented on the impact behavior of plain weave E-glass/epoxy laminates with different combinations of impactor mass and incident impact velocity with the same incident impact energy of 24.43 J. Four combinations of impactor mass-incident impact velocity have been considered. Impact tests have been carried out on an instrumented drop weight impact test apparatus. The unsupported area of the specimens during the impact loading was 127 mm x 127 mm with clamped boundary condition. Post impact compression testing of impacted specimens has bene carried out using Compression After Impact test fixture as per NASA 1142 standard. Impact and post impact compression behavior has been presented. In general, it is observed that, for the material tested, impact resistance and damage tolerance characteristics are higher for low mass and high velocity combination compared with high mass and low velocity combination.
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机译：已经进行了关于冲击器质量和入射冲击速度的不同组合，相同冲击能量为24.43 J的平纹E-玻璃/环氧树脂层压板的冲击行为的实验研究。已经考虑了冲击器质量-入射冲击速度的四种组合。冲击测试已经在仪器化的落锤冲击测试设备上进行。试样在冲击载荷作用下的无支撑面积为127 mm x 127 mm，且边界条件受到限制。冲击后样品的冲击后压缩测试已经按照NASA 1142标准使用“冲击后压缩”测试夹具进行了。已经介绍了冲击和冲击后的压缩行为。通常，观察到，对于测试的材料，与高质量和低速组合相比，低质量和高速度组合的抗冲击性和损伤耐受特性更高。
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