A general regression model for statistical analysis of strain-life fatigue data

Enrique Castillo, Alfonso Fernández-Canteli, Hernán Pinto, Manuel López-Aenlle

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

An existing well established Weibull model for the statistical assessment of stress life fatigue data is shown to be applicable to the strain-life fatigue analysis, as an alternative to the classical Coffin-Manson approach with clear advantages. The model deals directly with the total strain without the need of separating its elastic and plastic strain components, provides an analytical statistical definition of the problem, and allows dealing with run-out data. Finally, an example of application is given to illustrate the method.

Original languageEnglish
Pages (from-to)3639-3642
Number of pages4
JournalMaterials Letters
Volume62
Issue number21-22
DOIs
StatePublished - 15 Aug 2008
Externally publishedYes

Keywords

  • Low and high cycle fatigue
  • Statistical assessment
  • Strain-life based approach
  • Weibull distribution
  • ε-N field

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