Fe7(CoNiMn)80B13 共晶高熵合金的深过冷非平衡凝固行为及微观组织演变

王叶青, 付珂, 赵永柱, 苏礼季, 陈正

Non-Equilibrium Solidification Behavior and Microstructure Evolution of Undercooled Fe7(CoNiMn)80B13 Eutectic High-Entropy Alloy

WANG Yeqing, FU Ke, ZHAO Yongzhu, SU Liji, CHEN Zheng

表1 不同过冷度Fe7(CoNiMn)80B13共晶高熵合金的EDS分析结果 (atomic fraction / %)

Table 1 EDS analysis results of the Fe7(CoNiMn)80B13 eutectic high-entropy alloys with different ΔT

ΔT / K Region Fe Co Ni Mn 023 Average 10.0 41.1 40.5 08.4 Dark phase 14.7 55.3 24.8 05.2 Light phase 11.7 47.3 33.8 07.2 057 Average 09.7 38.9 38.4 12.9 Dark phase 14.7 56.4 20.7 08.2 090 Average 08.4 31.3 29.5 30.8 Dark phase 16.7 43.9 11.9 27.5 Light phase 12.0 37.5 20.4 30.1 139 Average 10.2 41.0 36.7 12.0 P1 11.6 42.6 33.7 11.0 P2 04.4 19.6 53.6 23.4 P3 14.3 52.8 21.6 07.3 198 Average 09.2 40.7 38.5 11.6 Dark phase 04.3 26.4 50.1 19.2 Light phase 12.8 46.5 33.0 07.7