Abstract
The pressure-shear plate impact experiments have been performed on 95% Al2O3 ceramic using 57 mm diameter compressed gas gun. The high-pressure gases drove the ceramic flyer to impact the oblique target to produce pressure-shear loading, and the particle velocity is traced by embedded electromagnetic velocity gauge. The inelastic behavior and shear wave propagation of ceramics under combined compression and shear loading have been probed in ceramic. The lateral particle velocities show an attenuation of shear waves with increasing of impact load. From the experiments, we found that when the compression stress reached about 4.86 GPa, 95% Al2O3 ceramic started to produce little amount of cracks and holes. The shear waves also began to attenuate.
| Original language | English |
|---|---|
| Pages (from-to) | 337-341 |
| Number of pages | 5 |
| Journal | Gaoya Wuli Xuebao/Chinese Journal of High Pressure Physics |
| Volume | 21 |
| Issue number | 4 |
| Publication status | Published - Dec 2007 |
Keywords
- Attenuation
- Ceramic
- Compress wave
- Electromagnetic velocity gauge
- Shear wave
- Solid dynamics