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7. 不同工艺条件下IN100高温合金的宏观晶粒组织[60]

Fig.7. Macrostructures of IN100 superalloy obtained under the various refining processes[60](a) without, grain size: 3.45 mm(b) with 15 s lag time and 120 A current intensity, grain size: 0.44 mm(c) with 5 s lag time and 150 A current intensity, grain size: 0.16 mm(d) with inoculants, 5 s lag time and 150 A current intensity, grain size: 0.095 mm