About this Abstract |
Meeting |
2022 TMS Annual Meeting & Exhibition
|
Symposium
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Dynamic Behavior of Materials IX
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Presentation Title |
Simulations of Laser-driven Metal Microjet Formation and Their Interactions |
Author(s) |
Kyle Mackay, Fady Najjar, Alison Saunders, Hye-Sook Park, Suzanne Ali, Jon Eggert, Jeremy Horwitz, Brandon Morgan, Yuan Ping, Camelia Stan |
On-Site Speaker (Planned) |
Kyle Mackay |
Abstract Scope |
Understanding dynamic fragmentation in shock-loaded metals and studying the resulting high-velocity microjets is of considerable importance for applied science and engineering applications. The current work presents hydrodynamic simulations of laser-driven microjetting from micron-scale grooves on a tin surface. The simulations supported designing experiments on the OMEGA and OMEGA-EP lasers. Microjet formation is investigated for 3-120 GPa shock pressures, spanning drives that leave the target solid on release to fully melted. We examine the effect of variations in target geometry for solid, liquid, and partially melted tin microjets. Finally, we present results for two interacting tin microjets and examine the effects of areal density, jet velocity, and material phase on the nature of jet-jet interactions.
LLNL-ABS-823916. Work performed under the auspices of the U.S. DOE by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344. Lawrence Livermore National Security, LLC. |
Proceedings Inclusion? |
Planned: |
Keywords |
Modeling and Simulation, Mechanical Properties, Phase Transformations |