第二取向对第三代单晶高温合金热疲劳过程中冷却孔孔周氧化行为的影响研究
王莉1(),何禹锋1,2,申健1,郑伟1,楼琅洪1,张健1
Effect of Secondary Orientation on Oxidation Anisotropy Around the Holes of Single Crystal Superalloy During Thermal Fatigue Tests
WANG Li1(),HE Yufeng1,2,SHEN Jian1,ZHENG Wei1,LOU Langhong1,ZHANG Jian1

图4. 不同第二取向样品热疲劳实验过程中圆孔周围组织演变

Fig.4. Microstructure evolutions around holes in (100) specimen (a, c, e, g) and (110) specimen (b, d, f, h) during room temperature to 1100 ℃ thermal fatigue tests(a, b) 1 cyc (c, d) 20 cyc (e, f) 220 cyc (g, h) 560 cyc