激光增材修复单晶高温合金的热裂纹形成机制 |
卢楠楠, 郭以沫, 杨树林, 梁静静, 周亦胄, 孙晓峰, 李金国 |
Formation Mechanisms of Hot Cracks in Laser Additive Repairing Single Crystal Superalloys |
LU Nannan, GUO Yimo, YANG Shulin, LIANG Jingjing, ZHOU Yizhou, SUN Xiaofeng, LI Jinguo |
图10 DD432单晶高温合金凝并温度与固相分数之间的关系 |
Fig.10 Relationships between the solidification temperature and the solid fraction (fs) for DD432 SX superalloys (ΔTDD432—interdendritic liquid film undercooling in DD432 alloy) |
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