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3. (100)样品电火花打孔后孔周显微组织形貌

Fig.3. Morphology of a hole in (100) specimen (a) and detail view of the rectangular region in Fig.3a showing the recast layer around the hole (b) after electro-discharge machining