Shock compression of molybdenum single crystals to 110 GPa: Elastic–plastic deformation and crystal anisotropy
Abstract
To explore the role of crystal anisotropy on the elastic-plastic deformation of BCC single crystals at high shock stresses, molybdenum (Mo) single crystals were shock compressed along [100], [111], and [110] orientations at elastic impact stresses between 20 and 110 GPa. Laser interferometry was used to measure shock wave velocities and particle velocity histories. Along the [100] and [111] orientations, elastic-plastic waves (two wave structure) were observed up to 110 GPa. Along the [110] orientation, the two wave structure was observed only up to 90 GPa. The measured elastic wave amplitudes were analyzed to determine crystal anisotropy effects, impact stress dependence, and the activated slip systems on the Hugoniot elastic limit. The results from our work have provided insight into the role of crystal anisotropy on the elastic-plastic deformation under shock compression at high stresses.
- Authors:
-
- California Institute of Technology (CalTech), Pasadena, CA (United States)
- Washington State Univ., Pullman, WA (United States). Inst. for Shock Physics
- Publication Date:
- Research Org.:
- Washington State Univ., Pullman, WA (United States). Inst. for Shock Physics
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP)
- OSTI Identifier:
- 1633426
- Grant/Contract Number:
- NA0002007
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Applied Physics
- Additional Journal Information:
- Journal Volume: 127; Journal Issue: 20; Journal ID: ISSN 0021-8979
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Oniyama, Tomoyuki, Gupta, Yogendra M., and Ravichandran, Guruswami. Shock compression of molybdenum single crystals to 110 GPa: Elastic–plastic deformation and crystal anisotropy. United States: N. p., 2020.
Web. doi:10.1063/5.0006559.
Oniyama, Tomoyuki, Gupta, Yogendra M., & Ravichandran, Guruswami. Shock compression of molybdenum single crystals to 110 GPa: Elastic–plastic deformation and crystal anisotropy. United States. https://doi.org/10.1063/5.0006559
Oniyama, Tomoyuki, Gupta, Yogendra M., and Ravichandran, Guruswami. Fri .
"Shock compression of molybdenum single crystals to 110 GPa: Elastic–plastic deformation and crystal anisotropy". United States. https://doi.org/10.1063/5.0006559. https://www.osti.gov/servlets/purl/1633426.
@article{osti_1633426,
title = {Shock compression of molybdenum single crystals to 110 GPa: Elastic–plastic deformation and crystal anisotropy},
author = {Oniyama, Tomoyuki and Gupta, Yogendra M. and Ravichandran, Guruswami},
abstractNote = {To explore the role of crystal anisotropy on the elastic-plastic deformation of BCC single crystals at high shock stresses, molybdenum (Mo) single crystals were shock compressed along [100], [111], and [110] orientations at elastic impact stresses between 20 and 110 GPa. Laser interferometry was used to measure shock wave velocities and particle velocity histories. Along the [100] and [111] orientations, elastic-plastic waves (two wave structure) were observed up to 110 GPa. Along the [110] orientation, the two wave structure was observed only up to 90 GPa. The measured elastic wave amplitudes were analyzed to determine crystal anisotropy effects, impact stress dependence, and the activated slip systems on the Hugoniot elastic limit. The results from our work have provided insight into the role of crystal anisotropy on the elastic-plastic deformation under shock compression at high stresses.},
doi = {10.1063/5.0006559},
journal = {Journal of Applied Physics},
number = 20,
volume = 127,
place = {United States},
year = {2020},
month = {5}
}
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