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) |
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