单晶高温合金共晶溶解行为的差热分析

张少华, 谢光, 董加胜, 楼琅洪

Investigation on Eutectic Dissolution Behavior of Single Crystal Superalloy by Differential Scanning Calorimetry

ZHANG Shaohua, XIE Guang, DONG Jiasheng, LOU Langhong

图3 DD414单晶高温合金在1290℃保温不同时间的共晶形貌及分布图

Fig.3 Morphologies (a-c) and distributions (eutectic colored by image software) (d-f) of the eutectics in DD414 single crystal superalloy after solution heat treatment at 1290℃ for 2 h (a, d), 6 h (b, e), and 10 h (c, f)