Creep-fatigue behavior in high strength copper alloys

Meimei Li, James F Stubbins

Research output: Contribution to journalArticlepeer-review

Abstract

Copper alloys are found to experience a stress relaxation during holds at maximum tension and maximum compression during cyclic loading patterns. This stress relaxation response has an effect on fatigue life by reducing the numbers of cycles to failure, particularly in the high cycle fatigue, long life regime. The stress relaxation behavior is found even for room temperature loading conditions, well below the temperature regime normally associated with creep and stress relaxation. It is suggested that the creep and stress relaxation deformation modes during hold periods is predominantly through primary creep process.

Original languageEnglish (US)
Pages (from-to)251-264
Number of pages14
JournalJournal of ASTM International
Volume2
Issue number2
DOIs
StatePublished - Feb 1 2005

Keywords

  • Copper alloys
  • Creep
  • Fatigue
  • Fatigue life
  • Stress relaxation

ASJC Scopus subject areas

  • Environmental Engineering
  • Materials Science(all)
  • Nuclear Energy and Engineering
  • Engineering(all)
  • Public Health, Environmental and Occupational Health

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