Effect of stacking fault energy on pulsating fatigue behavior for fcc metals under the fully repeated loading

S. Sakaki, Makoto Yoshida, S. Horibe

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    In previous studies, the relationship between stacking fault energy (SFE) and the fatigue process has been examined under the fully reversed loading in which ratcheting does not occur. In this study, under the fully repeated loading, for pure Ni (128mJ/m2), pure Cu (40mJ/m2) and Cu-35wt% Zn (11.5mJ/m2) with different SFEs, the effect of fatigue damage and ratcheting damage on fatigue life was investigated. It was observed that for pure Ni, compared with pure Cu and Cu-35wt% Zn, ratcheting damage is dominant. For Cu-35wt% Zn, compared with pure Ni and pure Cu, fatigue damage is dominant. For pure Cu, both ratcheting damage and fatigue damage are dominant (mixed type). Thus, it was observed for the first time that high SFE tends to enhance ratcheting damage and low SFE tends to promote fatigue damage under the fully repeated loading.

    Original languageEnglish
    Pages (from-to)1-5
    Number of pages5
    JournalMaterials Science and Engineering A
    Volume607
    DOIs
    Publication statusPublished - 2014 Jun 23

    Fingerprint

    stacking fault energy
    Stacking faults
    Fatigue damage
    Metals
    Fatigue of materials
    damage
    metals
    fatigue life

    Keywords

    • Fatigue
    • Fcc metal
    • Plastic strain amplitude
    • Ratcheting strain rate
    • Stacking fault energy

    ASJC Scopus subject areas

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanical Engineering
    • Mechanics of Materials

    Cite this

    Effect of stacking fault energy on pulsating fatigue behavior for fcc metals under the fully repeated loading. / Sakaki, S.; Yoshida, Makoto; Horibe, S.

    In: Materials Science and Engineering A, Vol. 607, 23.06.2014, p. 1-5.

    Research output: Contribution to journalArticle

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