吹砂对DD6单晶高温合金表面完整性和高周疲劳强度的影响
李嘉荣, 董建民, 韩梅, 刘世忠

Effects of Sand Blasting on Surface Integrity and High Cycle Fatigue Properties of DD6 Single Crystal Superalloy
LI Jiarong, DONG Jianmin, HAN Mei, LIU Shizhong
图7 粒径150 μm吹砂试样760和980℃旋转弯曲高周疲劳断裂后的横截面组织
Fig.7 Cross sectional microstructures of DD6 superalloy specimens after sand blasting with 150 μm granularity under rotational bending at 760oC (a) and 980oC (b)