Explosive Bonding of Refractory Metal Liners

Abstract

TPL, Inc. has successfully bonded a pure tantalum liner to the inside of an M242 Bushmaster barrel using a low-detonation- velocity explosive. This report examines the governing equations of the explosive bonding process as they apply to this particular situation. The relevant properties of other higher strength tantalum alloys are examined to see if they are suitable for explosive bonding. with the expectation that they would be better able to resist the wear forces at the rifled bore surface. For all candidate materials. attention is paid to the values of critical impact pressure. the critical flow transition velocity. the critical angle for jet formation. and maximum flyer plate velocity. Example plots are provided to indicate the bounds of explosive welding parameters that will result in a good bond.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 2004
Accession Number
ADA428303

Entities

People

  • William S. de Rosset

Organizations

  • United States Army Research Laboratory

Tags

Communities of Interest

  • Counter IED
  • Weapons Technologies

DTIC Thesaurus Topics

  • Alloys
  • Bonding
  • Composite Materials
  • Equations
  • Explosions
  • Explosive Welding
  • Explosives
  • Materials
  • Materials Laboratories
  • Materials Science
  • Metals
  • Military Research
  • Refractory Metals
  • Tantalum
  • Tantalum Alloys
  • Tensile Strength
  • Transitions

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Metallurgy
  • ballistics.