A Survey of Existing Means for Prediction of Fatigue Life.

Abstract

The object of this research is to explore new areas for the prediction of fatigue properties of materials. Both the inherent flaw theory and the finite crack theory were explored in some detail. The major theory considered in the area of inherent flaws was the Bement-Pohler Fatigue Theory. The Structural-Energy Theory along with several crack propagation laws were presented in the chapter dealing with the finite crack theory. Some very promising results were found. With some further testing, these new methods could substantially reduce the cost of establishing a material's fatigue properties. In the conclusions several areas are discussed in which further experimentation is needed. References are made throughout the paper to these areas and their present inadequacies.

Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1975
Accession Number
ADA009406

Entities

People

  • Thomas Charles Schwake

Organizations

  • United States Army Materiel Command

Tags

DTIC Thesaurus Topics

  • Crack Propagation
  • Cracks
  • Fatigue Life
  • Materials

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Structural Health Monitoring of Composite Structures.
  • Theoretical Analysis.