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Effect of Frequency on Pulsating Stress Rupture Strength for Notched Bar Specimen

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抄録

Pulsating stress rupture tests (stress ratio A<1) in various frequency of stress cycle were performed for notched specimens at elevated temperature in order to study the influence of frequency on rupture strength. Notched specimens are subjected to combined fatigue and creep damage by pulsating stress so that the rupture life considerably decreases with increase of frequency and the rupture characteristics are classified into 4 types. Ruptures are not always dominated by a sum of fatigue and creep damage. In some cases, the creep behavior might prevent the development of fatigue damage. Therefore the linear life fraction rule in estimation of rupture life of materials subjected to combined fatigue and creep damage might be not always applicable.

収録刊行物

詳細情報

  • CRID
    1573668927069075328
  • NII論文ID
    110006484554
  • NII書誌ID
    AA00867058
  • ISSN
    03874508
  • 本文言語コード
    en
  • データソース種別
    • CiNii Articles

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