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Surface preparation methods to enhance dynamic surface property measurements of shocked metal surfaces

  • M. B. Zellner
  • , W. Vogan McNeil
  • , George Thompson Gray
  • , D. C. Huerta
  • , N. S.P. King
  • , G. E. Neal
  • , Scott J Valentine
  • , Jeremy Ronald Payton
  • , Jim Rubin
  • , G. D. Stevens
  • , W. D. Turley
  • , William Tillman Buttler

Research output: Contribution to journalArticlepeer-review

65 Scopus citations

Abstract

This effort investigates surface-preparation methods to enhance dynamic surface-property measurements of shocked metal surfaces. To assess the ability of making reliable and consistent dynamic surface-property measurements, the amount of material ejected from the free surface upon shock release to vacuum (ejecta) was monitored for shocked Al-1100 and Sn targets. Four surface-preparation methods were considered: Fly-cut machine finish, diamond-turned machine finish, polished finish, and ball rolled. The samples were shock loaded by in-contact detonation of HE PBX-9501 on the front side of the metal coupons. Ejecta production at the back side or free side of the metal coupons was monitored using piezoelectric pins, optical shadowgraphy, and x-ray attenuation radiography.

Original languageEnglish
Article number083521
JournalJournal of Applied Physics
Volume103
Issue number8
DOIs
StatePublished - May 9 2008

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