Laser shocking of materials: Toward the national ignition facility
Abstract
In recent years a powerful experimental tool has been added to the arsenal at the disposal of the materials scientist investigating materials response at extreme regimes of strain rates, temperatures, and pressures: laser compression. In this paper, this technique has been applied successfully to mono-, poly-, and nanocrystalline metals and the results have been compared with predictions from analytical models and molecular dynamics simulations. Special flash x-ray radiography and flash x-ray diffraction, combined with laser shock propagation, are yielding the strength of metals at strain rates on the order of 107–108 s-1 and resolving details of the kinetics of phase transitions. A puzzling result is that experiments, analysis, and simulations predict dislocation densities that are off by orders of magnitude. Finally, other surprises undoubtedly await us as we explore even higher pressure/strain rate/temperature regimes enabled by the National Ignition Facility.
- Authors:
-
- Univ. of California, San Diego, CA (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- National Univ. of Cuyo, Mendoza (Argentina)
- Publication Date:
- Research Org.:
- Univ. of California, San Diego, CA (United States); National Univ. of Cuyo, Mendoza (Argentina)
- Sponsoring Org.:
- USDOE; LLNL Laboratory Directed Research and Development (LDRD) Program; Univ. of California (United States)
- OSTI Identifier:
- 1424112
- Report Number(s):
- LLNL-JRNL-422897
Journal ID: ISSN 1047-4838; TRN: US1801907
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- JOM. Journal of the Minerals, Metals & Materials Society
- Additional Journal Information:
- Journal Volume: 62; Journal Issue: 1; Journal ID: ISSN 1047-4838
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 42 ENGINEERING; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; phase transition; molecular dynamic; molecular dynamic simulation; dislocation density; dynamic simulation
Citation Formats
Meyers, M. A., Remington, B. A., Maddox, B., and Bringa, E. M. Laser shocking of materials: Toward the national ignition facility. United States: N. p., 2010.
Web. doi:10.1007/s11837-010-0006-x.
Meyers, M. A., Remington, B. A., Maddox, B., & Bringa, E. M. Laser shocking of materials: Toward the national ignition facility. United States. https://doi.org/10.1007/s11837-010-0006-x
Meyers, M. A., Remington, B. A., Maddox, B., and Bringa, E. M. Sat .
"Laser shocking of materials: Toward the national ignition facility". United States. https://doi.org/10.1007/s11837-010-0006-x. https://www.osti.gov/servlets/purl/1424112.
@article{osti_1424112,
title = {Laser shocking of materials: Toward the national ignition facility},
author = {Meyers, M. A. and Remington, B. A. and Maddox, B. and Bringa, E. M.},
abstractNote = {In recent years a powerful experimental tool has been added to the arsenal at the disposal of the materials scientist investigating materials response at extreme regimes of strain rates, temperatures, and pressures: laser compression. In this paper, this technique has been applied successfully to mono-, poly-, and nanocrystalline metals and the results have been compared with predictions from analytical models and molecular dynamics simulations. Special flash x-ray radiography and flash x-ray diffraction, combined with laser shock propagation, are yielding the strength of metals at strain rates on the order of 107–108 s-1 and resolving details of the kinetics of phase transitions. A puzzling result is that experiments, analysis, and simulations predict dislocation densities that are off by orders of magnitude. Finally, other surprises undoubtedly await us as we explore even higher pressure/strain rate/temperature regimes enabled by the National Ignition Facility.},
doi = {10.1007/s11837-010-0006-x},
journal = {JOM. Journal of the Minerals, Metals & Materials Society},
number = 1,
volume = 62,
place = {United States},
year = {Sat Jan 16 00:00:00 EST 2010},
month = {Sat Jan 16 00:00:00 EST 2010}
}
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