Second shock ejecta measurements with an explosively driven two-shockwave drive

被引：47

作者：

Buttler, W. T. ^{[1
]}

Oro, D. M. ^{[1
]}

Olson, R. T. ^{[1
]}

Cherne, F. J. ^{[1
]}

Hammerberg, J. E. ^{[1
]}

Hixson, R. S. ^{[1
]}

Monfared, S. K. ^{[1
]}

Pack, C. L. ^{[1
]}

Rigg, P. A. ^{[1
]}

Stone, J. B. ^{[1
]}

Terrones, G. ^{[1
]}

机构：

[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2014年 / 116卷 / 10期

关键词：

INDUCED POLYMORPHIC TRANSITION; PARTICLE-SIZE DISTRIBUTIONS; CONSTITUTIVE MODEL; STRAIN RATES; LOADED SN; METALS; TIN;

D O I：

10.1063/1.4895053

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We develop and apply an explosively driven two-shockwave tool in material damage experiments on Sn. The two shockwave tool allows the variation of the first shockwave amplitude over range 18.5 to 26.4 GPa, with a time interval variation between the first and second shock of 5 to 7 mu s. Simulations imply that the second shock amplitude can be varied as well and we briefly describe how to achieve such a variation. Our interest is to measure ejecta masses from twice shocked metals. In our application of the two-shockwave tool, we observed second shock ejected areal masses of about 4 +/- 1 mg/cm(2), a value we attribute to unstable Richtmyer-Meshkov impulse phenomena. We also observed an additional mass ejection process caused by the abrupt recompression of the local spallation or cavitation of the twice shocked Sn. (C) 2014 AIP Publishing LLC.

引用

页数：15

共 54 条

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