Fracture Behaviour Under Impact 2

Abstract

The behaviour of cracks loaded by impact generated stress pulses is investigated. Depending on the impact arrangement tension or shear loading at extremely high rates of the stress intensity factor can be realized. With specimens of a high strength steel increase of the tensile fracture decreasing to about 5us. This has been measured with an improved shadow optical technique in reflection. The assumption of an incubation time is used to explain this behaviour.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1987
Accession Number
ADA198643

Entities

People

  • S. Winkler

Tags

Communities of Interest

  • Air Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Cameras
  • Crack Propagation
  • Crack Tips
  • Fracture (Mechanics)
  • Light Sources
  • Materials
  • Measurement
  • Mechanics
  • Photographs
  • Photography
  • Secondary Waves
  • Shear Bands
  • Stress Intensity Factors
  • Stresses
  • Tensile Stress
  • Waves

Fields of Study

  • Materials science

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Electrical Engineering
  • Materials Science (Mechanical Engineering).