镍基铸造高温合金等轴晶凝固成形技术的研究和进展
张军1(),介子奇1,2,黄太文1,杨文超1,刘林1,傅恒志1
Research and Development of Equiaxed Grain Solidification and Forming Technology for Nickel-Based Cast Superalloys
ZHANG Jun1(),JIE Ziqi1,2,HUANG Taiwen1,YANG Wenchao1,LIU Lin1,FU Hengzhi1

图5. 熔体过热温度对K4169合金晶粒组织的影响[38]

Fig.5. The evolution of grain structure with the superheating temperature (Ts) (d—grain size)[38](a) 1380 ℃ (b) 1500 ℃ (c) 1550 ℃ (d) 1600 ℃ (e) 1680 ℃