单晶高温合金表面缺陷焊接修复的研究进展

郎振乾, 叶政, 杨健, 黄继华

Research Progress of Repair Technology for Surface Defects of Single Crystal Superalloy

LANG Zhenqian, YE Zheng, YANG Jian, HUANG Jihua

图2 典型蚀坑形貌及延伸裂纹[15]

Fig.2 Morphology of corrosion defect and extension crack