应力场强(SFI)法下的疲劳缺口系数K_f的计算

杨晓华; 陈跃良

doi:10.6052/1000-0879-1999-058

杨晓华, 陈跃良. 应力场强(SFI)法下的疲劳缺口系数K_f的计算[J]. 力学与实践, 1999, 21(2): 25-26. DOI: 10.6052/1000-0879-1999-058

引用本文:

杨晓华, 陈跃良. 应力场强(SFI)法下的疲劳缺口系数K_f的计算[J]. 力学与实践, 1999, 21(2): 25-26. DOI: 10.6052/1000-0879-1999-058

THE COMPUTATION OF FATIGUE NOTCH FACTOR (K_f) BASED ON STRESS FIELD INTENSITY (SFI)[J]. MECHANICS IN ENGINEERING, 1999, 21(2): 25-26. DOI: 10.6052/1000-0879-1999-058

Citation:

THE COMPUTATION OF FATIGUE NOTCH FACTOR (K_f) BASED ON STRESS FIELD INTENSITY (SFI)[J]. MECHANICS IN ENGINEERING, 1999, 21(2): 25-26. DOI: 10.6052/1000-0879-1999-058

应力场强(SFI)法下的疲劳缺口系数K_f的计算

THE COMPUTATION OF FATIGUE NOTCH FACTOR (K_f) BASED ON STRESS FIELD INTENSITY (SFI)

摘要

摘要: 着重研究场强法理论下疲劳缺口系数Kf的计算．结果表明应力场强法理论下的疲劳缺口系数Kf与试验结果符合得较好，用应力场强法理论计算得到的等幅和变辐载荷的寿命与试验寿命也符合得较好．

Abstract: This paper studies the computation of fatigue notch factor (Kf) based on Stress Field Intensity (SFI). The results show that fatigue life under constant and variable amplitude load based on SFI agrees very well with experimental results.

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