ON THE RESPONSE OF MIXED MATERIALS TO ONE-DIMENSIONAL SHOCK WAVES.

Abstract

An experimental investigation was conducted to study the response of copper-polyethylene solid mixtures to one-dimensional impacts at .5 to 2.5 km/sec using 12.7 mm and 13.7 mm projectiles. Small bore powder guns are shown to be capable of producing reasonably accurate Hugoniot data. A simple ideal mixing theory for describing the behavior of solid mixtures under shock loading was evaluated and found to be valid within the limits of experimental data scatter. The free surface velocity approximation is shown to break down under conditions where target materials undergo phase transformations. Acoustic velocities in mixtures can be accurately predicted by the mixing theory. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1970
Accession Number
AD0712062

Entities

People

  • Alan K. Hopkins

Organizations

  • University of Dayton Research Institute

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Acoustic Velocity
  • Air Force
  • Dielectric Polymers
  • Engineering
  • Experimental Data
  • Films
  • Materials
  • Motion
  • Phase Transformations
  • Physical Properties
  • Projectiles
  • Shock
  • Shock Waves
  • Waves

Fields of Study

  • Physics

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Combustion and Flow Dynamics.
  • ballistics.