快速凝固AlCoCrFeNi2.1共晶高熵合金的微观组织演变和力学性能

曹雷刚,朱琳,张磊磊,王辉,崔岩,杨越,刘峰斌

Microstructure Evolution and Mechanical Properties of Rapid Solidified AlCoCrFeNi2.1 Eutectic High Entropy Alloy

Leigang CAO,Lin ZHU,Leilei ZHANG,Hui WANG,Yan CUI,Yue YANG,Fengbin LIU

表2 不同直径合金铸棒表层区域和中心区域FCC和B2相的能谱分析

Table 2 EDX results of the FCC and B2 phases in the surface and center regions of the casting rods with different diameters (%, atomic fraction)

Diameter Location Phase Al Co Cr Fe Ni Nominal - - 16.39 16.39 16.39 16.39 34.43 2 mm Surface FCC 14.28±0.70 17.98±0.38 17.57±0.38 18.13±0.55 32.02±0.46 B2 23.10±0.95 14.91±0.34 12.58±0.59 13.55±0.37 35.86±0.64 Center FCC 15.19±0.67 17.46±0.29 17.50±0.67 17.49±0.29 32.36±0.37 B2 22.06±0.88 14.50±0.43 13.85±0.46 13.73±0.48 35.41±0.88 5 mm Surface FCC 14.24±0.67 17.60±0.39 18.64±0.71 18.18±0.32 31.34±0.46 B2 25.07±1.10 14.17±0.51 11.68±0.83 12.76±0.54 36.35±0.80 Center FCC 15.02±0.60 17.59±0.27 18.00±0.65 17.95±0.29 31.45±0.25 B2 25.07±0.83 13.95±0.42 11.76±0.44 12.54±0.51 36.69±0.74 8 mm Surface FCC 12.19±0.53 18.30±0.32 18.97±0.44 18.86±0.33 31.65±0.55 B2 27.65±1.30 13.78±0.48 10.54±0.88 12.19±0.53 36.91±0.79 Center FCC 12.42±0.43 17.42±0.31 20.13±0.36 17.90±0.31 32.14±0.62 B2 28.40±0.48 12.75±0.23 9.84±0.53 10.96±0.29 38.05±0.52