INFLUENCE OF THE STRAIN RATE ON THE COMPRESSION BEHAVIOR OF 3D KEVLAR/EPOXY WOVEN COMPOSITES

作     者：Xu Guo, Wang Li, Qiu Yiping, Sun Baozhong, Gu Bohong College of Textile, Donghua University, Shanghai 200051, China 

会议日期：2006年

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 

关 键 词：3D Kevlar/Epoxy woven composites High strain rate Compression Split Hopkinson pressure bar 

摘      要：正The compressive properties of 3D Kevlar/Epoxy woven composites at quasi-static and high strain rate loadings have been investigated to evaluate the compressive failure mode at different strain rate. The through-thickness compressive properties at high strain rates were tested using the split Hopkinson bar （SHPB） technique. The compressive properties at quasi-static strain rate were also tested and compared with those at high strain rates. The results indicate that the stress-strain curves are rate sensitive and compressive stiffness, maximum compressive stress of the 3D Kevlar/Epoxy woven composites linearly increased with the strain rate.