Ejecta particle size distributions for shock loaded Sn and Al metals.

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Description

When a shock wave interacts at the surface of a metal sample 'ejected matter' (ejecta) can be emitted from the surface. The mass, size, shape, and velocity of the ejecta varies depending on the initial shock conditions and the material properties of the target. To understand this phenomena, experiments have been conducted at the Pegasus Pulsed Power Facility (PPPF) located at Los Alamos National Laboratory (LANL). The facility is used to implode cylinders to velocities of many mm/{micro}sec. The driving cylinder impacts a smaller target cylinder where shock waves of a few hundreds of kilobars can be reached and ejecta ... continued below

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24 p.

Creation Information

Sorenson, D. S. (Danny S.); Minich, R. W. (Roger W.); Romero, J. L.; Tunnell, T. W. & Malone, R. M. January 1, 2001.

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Description

When a shock wave interacts at the surface of a metal sample 'ejected matter' (ejecta) can be emitted from the surface. The mass, size, shape, and velocity of the ejecta varies depending on the initial shock conditions and the material properties of the target. To understand this phenomena, experiments have been conducted at the Pegasus Pulsed Power Facility (PPPF) located at Los Alamos National Laboratory (LANL). The facility is used to implode cylinders to velocities of many mm/{micro}sec. The driving cylinder impacts a smaller target cylinder where shock waves of a few hundreds of kilobars can be reached and ejecta formation proceeds. The ejecta particle sizes are measured for shock loaded Sn and Al metal samples using an in-line Fraunhofer holography technique. The distributions will be compared to calculations from 3 and 2 dimensional percolation theory.

Physical Description

24 p.

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  • Submitted to: 12th Biennial International Conference of the APS Topical Group on Shock Compression of Condensed Matter

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  • Report No.: LA-UR-01-3375
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 974712
  • Archival Resource Key: ark:/67531/metadc932756

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  • January 1, 2001

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 5:47 p.m.

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Sorenson, D. S. (Danny S.); Minich, R. W. (Roger W.); Romero, J. L.; Tunnell, T. W. & Malone, R. M. Ejecta particle size distributions for shock loaded Sn and Al metals., article, January 1, 2001; United States. (digital.library.unt.edu/ark:/67531/metadc932756/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.