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6 无隔热材料密排大模组浇注的内、外侧DD5单晶棒不同高度的一次枝晶间距

Fig.6 Statistics of primary dendrite spacing at different height positions of inner and outer DD5 single crystal rods poured in the arrangement multiple module without insulation material