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4 DD414单晶高温合金在1300℃保温不同时间的共晶形貌

Fig.4 Morphologies of the eutectics in DD414 single crystal superalloy after solution heat treatment at 1300℃ for 2 h (a), 4 h (b), 6 h (c), and 10 h (d)