Biaxial fatigue of metals: The present understanding

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1 Citation (Scopus)

Abstract

Problems of fatigue under multiaxial fatigue loads have been addressed in a very large number of research publications. The present publication is primarily a survey of biaxial fatigue under constant amplitude loading on metal specimens. It starts with the physical understanding of the fatigue phenomenon under biaxial fatigue loads. Various types of proportional and non-proportional biaxial fatigue loads and biaxial stress distributions in a material are specified. Attention is paid to the fatigue limit, crack nucleation, initial micro crack growth and subsequent macro-crack in different modes of crack growth. The interference between the upper and lower surfaces of a fatigue crack is discussed. Possibilities for predictions of biaxial fatigue properties are analysed with reference to the similarity concept. The significance of the present understanding for structural design problems is considered. The book is completed with a summary of major observations.

Original languageEnglish
PublisherSpringer
Number of pages23
ISBN (Electronic)9783319236063
ISBN (Print)9783319236056
DOIs
Publication statusPublished - 25 Aug 2015

Keywords

  • Biaxial fatigue experiments
  • Crack nucleation and growth
  • Multiaxial fatigue load sequences
  • Physical fatigue phenomenon
  • Predictions on multiaxial fatigue

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