The endurance life and fracture behaviors of directionally solidified superalloy DZ4 after pre-deformation and heat treatment were tested and analyzed.

• 对定向凝固DZ4合金机械预变形和热处理后的持久寿命与断裂行为进行了测试与分析,研究了再结晶对定向凝固DZ4合金持久行为的影响机制。