Research on complex stress loading experiment technology of PBX explosive

摘要：

　　In order to research on complex stress loading experiment technology of PBX explosive, Split Hopkinson Pressure Bar (SHPB) and shear equipment has been used, the shear stress curve versus time has been obtained.At the same time, a sandwich structure bullet was used to achieve double-pulse loading, as the result show that there are two stages in the shearing situation, at the first stage,the stress increases rapidly than the second stage, then the maximum stress is 50~60 MPa.After the first stage, the stress increase slow with the changes ofstrain, and not unloaded until the maximum stress.There are two loading peaks instress-strain curves of thedouble-pulse loading, the strain rate of the second load is lower than the first load, but the stress peak higher, moreover, two stress peaks become higher along with the strain rate.

关键词： Explosive mechanics PBX explosive Ehear loading Double-pulse loading

作者: Peng CHEN Liang-liang LI Ke-peng QU Bao-hui YUAN

作者单位: Xian Modern Chemistry Research Institute, Xian 710065, China

会议类型: 国际会议

会议名称: 2018 International Conference on Defence Technology (2018国际防务技术会议)

会议地点: 北京

会议语种:英文

页码: 247-249

在线出版日期: 2018-10-21（万方平台首次上网日期，不代表论文的发表时间）