期刊
JOURNAL OF APPLIED PHYSICS
卷 116, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4891449
关键词
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资金
- U.S. Department of Energy
- National Nuclear Security Administration of the U.S. Department of Energy [DE-AC52-06NA25396]
We have assembled together our ejecta measurements from explosively shocked tin acquired over a period of about ten years. The tin was cast at 0.99995 purity, and all of the tin targets or samples were shocked to loading pressures of about 27 GPa, allowing meaningful comparisons. The collected data are markedly consistent, and because the total ejected mass scales linearly with the perturbations amplitudes they can be used to estimate how much total Sn mass will be ejected from explosively shocked Sn, at similar loading pressures, based on the surface perturbation parameters of wavelength and amplitude. Most of the data were collected from periodic isosceles shapes that approximate sinusoidal perturbations. Importantly, however, we find that not all periodic perturbations behave similarly. For example, we observed that sawtooth (right triangular) perturbations eject more mass than an isosceles perturbation of similar depth and wavelength, demonstrating that masses ejected from irregular shaped perturbations cannot be normalized to the cross-sectional areas of the perturbations. (C) 2014 AIP Publishing LLC.
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