Fatigue notch factor 疲劳凹痕因数 ; [力] 疲劳缺口系数 ; [力] 疲劳缺口因子
fatigue notch factor Kf 疲劳缺口系数Kf
strain fatigue notch factor 应变疲劳缺口系数
notch fatigue factor 缺口疲劳系数 ; 切口疲劳因数
If the plastoelastic fatigue notch factor was regarded as the transforming factor of damage calculation, the data scattering zone of life curve was most narrow.
采用此方法确定疲劳缺口系数，获得的损伤参量与裂纹形成寿命关系的数据分散带最窄。
The fatigue notch factor is introduced as the ratio of average stress over the region of a critic distance around critic point to the hot spot stress.
将疲劳切口系数定义为临界距离法得出的平均应力与热点应力之比值。
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