FRACTURE DYNAMICS - A PHOTOELASTIC INVESTIGATION.

Abstract

Isochromatic patterns associated with dynamic brittle crack propagation were recorded by means of a modified Schardin multiple-spark-gap, dynamic polariscope for 10 x 10 inch edge crack panels. With the material properties determined by dynamic calibration, the resulting photoelastic information was used to evaluate the elastic fields surrounding the propagating crack by the semi-inverse technique. This solution was characterized by the dynamic stress intensity factor whose behavior was determined for accelerating, constant velocity, and arresting cracks. (Author)

Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1969
Accession Number
AD0687161

Entities

People

  • Albert S. Kobayashi
  • W. B. Bradley

Organizations

  • University of Washington

Tags

DTIC Thesaurus Topics

  • Calibration
  • Crack Propagation
  • Cracks
  • Dynamics
  • Intensity
  • Materials
  • Physical Properties
  • Polariscopes
  • Spark Gaps
  • Stress Intensity Factors
  • Stresses
  • Two-Dimensional Materials

Readers

  • Fluid Dynamics.
  • Materials Science (Mechanical Engineering).
  • Mechanical Engineering/Mechanics of Materials.