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5 (a)激光熔凝工艺示意图和(b)激光熔凝熔池剖面[30]
Fig.5 Schematic representation of (a) the melt pool during laser remelting and (b) longitudinal section of the melt pool