A study of fatigue growth behaviour of the corner crack was conducted with a new cross specimen under biaxial loading for simulating the corner crack at the junction of vessel and nozzle.

• 用新型十字试板进行了双轴载荷下的角裂纹疲劳扩展性能的研究,以模拟压力容器接管处角裂纹的疲劳扩展行为。