用于纤维和纤维复合材料高应变率力学性能的Hopkinson系统  

Hopkinson System for High Strain Rate Behavior of Fiber or Fiber Reinforced Composites

作　　者：孙宝忠[1] 顾伯洪[1] 

机构地区：[1]东华大学纺织学院,上海200051

出　　处：《东华大学学报（自然科学版）》2004年第4期89-91,109,共4页Journal of Donghua University(Natural Science)

基　　金：国家自然科学基金(编号:19902016)

摘　　要：研制用于纤维束和纤维复合材料高应变率下力学性能的测试系统,描述分离式Hopkinson杆测试系统的硬件构成、信号采集和分析计算。通过实验例子说明了试验方法。给出碳纤维束在应变率1500 s^(-1)以上的拉伸实验结果。实验结果表明该测试系统是可靠有效的。Hopkinson Bar for high strain rate tests of fiber reinforced composites is developed. It is described that the configuration of the hardware and the development of the system software. The testing method is illustrated with experimental examples. Typical experimental results for carbon fiber under high strain rate are introduced. It means that the system is reliable and effective.

关 键 词：高应变率 分离式Hopkinson杆 碳纤维 

分 类 号：TB302.3[一般工业技术—材料科学与工程]