An Experiment to Produce and Measure High Dislocation Velocities Using a Laser Pulse Loading Technique

Abstract

A method for the generation of a single short duration stress pulse in a solid is described briefly in this report. A giant laser pulse of 10 to 20 nanosecond duration is used to heat a layer of liquid on top of the solid. The heating occurs at constant volume, producing a pressure which is relieved by a wave propagating through the liquid layer. A 0.2 microsecond pulse is produced when a 0.25 mm layer of ethyl alcohol is used.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
May 01, 1975
Accession Number
ADA012949

Entities

People

  • D. S. Wood
  • Thad Vreeland Jr

Organizations

  • California Institute of Technology

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Absorbers (Materials)
  • Barometric Pressure
  • California
  • Crystal Structure
  • Crystals
  • Energy
  • Engineering
  • Heat Energy
  • Laser Pulses
  • Microsecond Time
  • Military Research
  • Radiation
  • Secondary Waves
  • Specific Heat
  • Thermodynamic Properties
  • Thickness
  • Waves

Fields of Study

  • Physics

Readers

  • Fluid Dynamics.
  • Materials Science and Engineering.
  • Pulsed Power and Plasma Physics.

Technology Areas

  • Directed Energy