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Machining damaged surface hydrodynamic (DSH) spall target assemblies used in high energy compression physics experiments

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5 Author(s)
Richard V. Lucero ; Los Alamos National Laboratory, Los Alamos, NM. 87545 USA ; Warren P. Steckle ; Mike A. Salazar ; Jeffrey R. Griego
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Summary form only given. Targets were designed and manufactured to simulate a damaged surface in a series of high energy density (HED) experiments. The simulated damaged surface was a zero strength epoxy powder of nominally 1 mum and 5 mum diameter tungsten particles. This design feature introduced a number of manufacturing issues such as two precision grooves in the target wall and glide planes (upper and lower), alignment slots in the upper glide plane, developing the zero strength tungsten powder surface, a cryogenic interference fit, and a precision surface finish. Custom tooling, fixturing, and unconventional machining methods were utilized to mitigate manufacturing issues and are described in the poster. The targets were fielded at the Nevada Test Site (NTS) on the Atlas pulse power machine.

Published in:

Plasma Science, 2007. ICOPS 2007. IEEE 34th International Conference on

Date of Conference:

17-22 June 2007