| Issue |
EPJ Web Conf.
Volume 183, 2018
DYMAT 2018 - 12th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|
|
|---|---|---|
| Article Number | 03026 | |
| Number of page(s) | 2 | |
| Section | Microstructural Effects | |
| DOI | https://doi.org/10.1051/epjconf/201818303026 | |
| Published online | 07 September 2018 | |
https://doi.org/10.1051/epjconf/201818303026
Elastic Behavior of Zirconia under Ramp Compression
Institute of Fluid Physics, CAEP,
Mianyang
621900,
China
* Corresponding author : bqluoo@caep.cn
Published online: 7 September 2018
Dynamic properties of single crystal cubic zirconia were investigated under magnetically driven ramp wave compression on pulsed power generator CQ-4. Photonic Doppler Velocimeter (PDV) was employed to measure the free surface velocities of stepped samples. The elastic particle velocity and Ramp Elastic Limit (REL) of <100> cubic zirconia under ramp wave compression are 475 m/s and 25.4 GPa respectively, which are much higher than shock results reported in literature. The <110> cubic zirconia was loaded to maximum particle velocity 460 m/s and pressure 20.8 GPa in elastic region, but no distinct elasticplastic transition was observed. Inverse characteristic method was used to process the velocity data. The results show that the Lagrangian sound speed increases linearly with particle velocity in elastic region, and there exists distinct orientation effects.
© The Authors, published by EDP Sciences, 2018
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