A low cycle fatigue and creep life prediction model of DZ125 was established according to the fatigue and creep experimental life data of directionally solidified DZ125 smooth specimens.

• 摘要依据定向结晶合金DZ125光滑试样的低循环／保载疲劳试验寿命数据，提出一种预测定向结晶合金低循环／保载疲劳寿命的模型。