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Numerical and experimental investigation of the fracture behavior of shock loaded alumina |
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| Authors: | REN HuiLan SHU XueFeng & LI Ping State Key Laboratory of Explosion Science Technology Beijing Institute of Technology Beijing China |
| Institution: | REN HuiLan1,SHU XueFeng2 & LI Ping3 1 State Key Laboratory of Explosion Science , Technology,Beijing Institute of Technology,Beijing 100081,China,2 Institute of Applied Mechanics , Biomedical Engineering,Taiyuan University of Technology,Taiyuan 030024,3 Labroratory for Shock Wave , Detonation Physics Research,Institute of Fluid Physics,CAEP,Mianyang 610059 |
| Abstract: | Plate impact expeiments are conducted to investigate the dynamic behavior of alumina by using one stage light gas gun. A ve-locity interferometer system for reflectors (VISAR) is used to obtain Hugoniot elastic limit and the free surface velocity profile,which consists of an elastic wave followed immediately by a dispersive inelastic wave. The stress histories under different impact velocities are measured by in-material manganin gauges. Based on the experimental data a Hugoniot curve is fitted,which shows ... |
| Keywords: | plate impact experiment hugoniot curve fracture characteristics numerical simulation |
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