镍基单晶飞秒激光制造气膜孔疲劳断裂行为
李飞, 温志勋, 罗磊, 岳珠峰, 刘智名

Fatigue fracture behavior of femtosecond-laser-processed film cooling holes in nickel-based single-crystal superalloys
Fei LI, Zhixun WEN, Lei LUO, Zhufeng YUE, Zhiming LIU
图 6 孔边对称裂纹的Jep
Fig.6 Jepsolution of symmetrical cracks at hole edge