Fatigue crack propagation in nickel-base superalloys: effects of microstructure, load ratio, and temperature

J.E. King*

*Corresponding author for this work

    Research output: Contribution to journalArticle

    Abstract

    The current state of knowledge and understanding of the long fatigue crack propagation behavior of nickel-base superalloys are reviewed, with particular emphasis on turbine disk materials. The data are presented in the form of crack growth rate versus stress intensity factor range curves, and the effects of such variables as microstructure, load ratio, and temperature in the near-threshold and Paris regimes of the curves, are discussed.
    Original languageEnglish
    Pages (from-to)750-764
    Number of pages15
    JournalMaterials Science and Technology
    Volume3
    Issue number9
    DOIs
    Publication statusPublished - Sep 1986

    Keywords

    • disks stresses
    • fatigue of materials
    • fracture mechanics
    • gas turbines components
    • nickel and alloys fatigue
    • Fatigue crack propagation
    • near-threshold crack growth
    • nickel-base superalloys
    • Paris regimes
    • turbine disk
    • superalloys

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