Using simultaneous x-ray diffraction and velocity interferometry to determine material strength in shock-compressed diamond
- SLAC National Accelerator Lab., Menlo Park, CA (United States); Univ. of Michigan, Ann Arbor, MI (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States); European XFEL GmbH, Schenefeld (Germany)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Helmholtz-Zentrum Dresden-Rossendorf (Germany)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Univ. of Michigan, Ann Arbor, MI (United States)
We determine the strength of laser shock-compressed polycrystalline diamond at stresses above the Hugoniot elastic limit using a technique combining x-ray diffraction from the Linac Coherent Light Source with velocity interferometry. X-ray diffraction is used to measure lattice strains, and velocity interferometry is used to infer shock and particle velocities. These measurements, combined with density-dependent elastic constants calculated using density functional theory, enable determination of material strength above the Hugoniot elastic limit. Furthermore, our results indicate that diamond retains approximately 20 GPa of strength at longitudinal stresses of 150–300 GPa under shock compression.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Linac Coherent Light Source (LCLS); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Fusion Energy Sciences (FES); National Science Foundation (NSF); Volkswagen Foundation
- Grant/Contract Number:
- 20131555705; AC02-76SF00515; FWP 100182; NA0001859; AC02-05CH11231; AC52-07NA27344; NA0002956; 2013155705
- OSTI ID:
- 1647603
- Alternate ID(s):
- OSTI ID: 1632740; OSTI ID: 1688583
- Report Number(s):
- LLNL-JRNL-809384; TRN: US2202999
- Journal Information:
- Applied Physics Letters, Vol. 116, Issue 23; ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 10 works
Citation information provided by
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