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15 激光熔覆过程中凝固裂纹形成机理示意图[ |
Fig.15 Schematic representation of the solidification cracking mechanism |
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