The Development of an Analytical Prediction Technique for Variable Amplitude Fatigue Crack Propagation.

Abstract

The development of a fatigue crack-growth predictive technique for variable amplitude loading, initiated under previous NADC support, was continued. Attention was focused on a simple version of the general model. This provided a crack growth predictive formula for constant amplitude loading. Comparisons with experimental results and a semiempirical crack-growth law ahow that the prediction is quite realistic. The work has also indicated how improvements in the general model can be made to cope with more realistic service conditions. The further steps required to develop an efficient model that can cope with both variable amplitude loading and environmental effects are outlined. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jun 30, 1977
Accession Number
ADA051584

Entities

People

  • C. Atkinson
  • D. W. Schmueser
  • J. C. Bell
  • M. F. Kanninen
  • W. I. Griffith

Organizations

  • Battelle Memorial Institute

Tags

Communities of Interest

  • Air Platforms
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Aircrafts
  • Carbon Steels
  • Complex Variables
  • Crack Propagation
  • Crack Tips
  • Engineering
  • Equations
  • Experimental Data
  • Finite Element Analysis
  • Materials
  • Materials Science
  • Mechanical Properties
  • Mechanics
  • Modulus Of Elasticity
  • Plastic Properties
  • Shear Stresses
  • Two Dimensional

Readers

  • Acoustical Oceanography.
  • Calculus or Mathematical Analysis
  • Materials Science (Mechanical Engineering).

Technology Areas

  • AI & ML
  • AI & ML - Bayesian Inference