Keywords stress field intensity approach;fatigue notch factor;fatigue loading type factor;fatigue size factor;multiaxial fatigue;fatigue limits;S-N curves;

• 应力场强法;疲劳缺口系数;疲劳尺寸系数;疲劳加载方式;多轴疲劳;疲劳极限;S-N曲线;