Application of pulse shaping technique in Hopkinson bar experiments
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摘要: 由于波形整形技术可减小Hopkinson杆实验在撞击过程中产生的高频振荡以及实现试样在受载过程中的恒应变率加载，因此，波形整形技术越来越受到关注。本文中详细介绍了波形整形技术在Hopkinson杆的动态压缩、拉伸、巴西圆盘、弯曲断裂等实验中的研究进展，并给出了该技术在应用中需注意的问题。Abstract: New findings in the research of pulse shaping technique are widely used in dynamic compressive test. Dynamic tension, Brazilian disc test and dynamic bending fracture test are introduced in detail. Furthermore, the problems found in the application of the pulse shaping technique are summarized, and the directions for further research in this area are put forward.
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