Analysis of ``soft`` recovered shaped charge jet particles

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Description

A shaped charge with an 81 mm diameter, 42{degree} apex angle oxygen-free high-conductivity (OFHC) copper conical liner was fired into a ``soft`` recovery bunker to allow metallurgical examination of recovered jet particles and the slug. The initial weight of the copper liner was 245 g, of which 184 g was recovered. The number of jet particles recovered was 37 (approximately 63% of the particles formed by the charge). Extensive metallurgical analyses were performed on the recovered slug and jet particles. The microstructural features associated with voids, e.g., dendritic grain growth, clearly indicate that the regions in the vicinity of the ... continued below

Physical Description

8 p.

Creation Information

Lassila, D.H.; Nikkel, D.J. Jr.; Kershaw, R.P. & Walters, W.P. April 1, 1996.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 16 times , with 5 in the last month . More information about this report can be viewed below.

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Description

A shaped charge with an 81 mm diameter, 42{degree} apex angle oxygen-free high-conductivity (OFHC) copper conical liner was fired into a ``soft`` recovery bunker to allow metallurgical examination of recovered jet particles and the slug. The initial weight of the copper liner was 245 g, of which 184 g was recovered. The number of jet particles recovered was 37 (approximately 63% of the particles formed by the charge). Extensive metallurgical analyses were performed on the recovered slug and jet particles. The microstructural features associated with voids, e.g., dendritic grain growth, clearly indicate that the regions in the vicinity of the centerline of the slug and jet particles were melted. In this work the authors present calculations of jet temperature as a function of constitutive behavior. In order to predict melt in the center region of the jet they find it necessary to scale flow stress with a pressure dependent shear modulus.

Physical Description

8 p.

Notes

OSTI as DE96010826

Source

  • American Society of Mechanical Engineers (ASME) pressure vessels and piping conference, Montreal (Canada), 21-26 Jul 1996

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  • Other: DE96010826
  • Report No.: UCRL-JC--123850
  • Report No.: CONF-960706--14
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/251380 | External Link
  • Office of Scientific & Technical Information Report Number: 251380
  • Archival Resource Key: ark:/67531/metadc665285

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Creation Date

  • April 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

Description Last Updated

  • June 22, 2016, 6:46 p.m.

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Lassila, D.H.; Nikkel, D.J. Jr.; Kershaw, R.P. & Walters, W.P. Analysis of ``soft`` recovered shaped charge jet particles, report, April 1, 1996; California. (digital.library.unt.edu/ark:/67531/metadc665285/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.