紧密排布结构大模组铸造DD5单晶高温合金的凝固组织

刘家宝, 高雪峰, 张皓宇, 王亮, 王延辉, 乐献刚, 孟杰, 李金国, 周亦胄

Microstructure of DD5 Single Crystal High-temperature Alloy Prepared via Rapid Solidification Process by Using a Large Module with Dense Array of Seed Crystals

LIU Jiabao, GAO Xuefeng, ZHANG Haoyu, WANG Liang, WANG Yanhui, YUE Xiangang, MENG Jie, LI Jinguo, ZHOU Yizhou

图5 无隔热材料的密排大模组浇注的单晶横截面组织形貌

Fig.5 Cross sectional microstructure of single crystal poured in the arrangement multiple module without insulation material (a) outer, (b) inner