J-Resistance Curves of Aluminum Specimens Using Moire Interferometry

Abstract

Errors involved in using the approximate J evaluation procedure are evaluated by comparing the resistance curves of large 2024-0 and 5052-H32 aluminum, single edge cracked, cruciform specimens under uniaxial and biaxial loadings with those obtained by an exact procedure. This comparative study shows that under uniaxial loading, the J resistance curves obtained by the approximate procedure are within six percent of those obtained by the exact procedure. For the biaxial loading, however, the difference is about eighteen percent. The specimen size and geometry dependence of the J resistance curves of 2023-0 and 5052-H32 aluminum specimens are also discussed. Aluminum.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1989
Accession Number
ADA208239

Entities

People

  • Albert S. Kobayashi
  • B. S. Kang
  • M. S. Dadkhah

Organizations

  • University of Washington

Tags

Communities of Interest

  • Ground and Sea Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Civil Engineering
  • Crack Tips
  • Engineering
  • Far Field
  • Fracture (Mechanics)
  • Geometry
  • Hardening
  • J Integrals
  • Materials
  • Mechanical Engineering
  • Mechanics
  • Military Research
  • Resistance
  • Schools
  • Strain Hardening
  • Universities
  • West Virginia

Fields of Study

  • Physics

Readers

  • Materials Science (Mechanical Engineering).
  • Regression Analysis.