Metastable phase separation and rapid solidification of undercooled Co40Fe40Cu20 alloy<xref rid="cpb_27_11_116402fn1" ref-type="fn">*</xref><fn id="cpb_27_11_116402fn1"><label>*</label> Project supported by the National Key Research and Development Program of China (Grant No. 2016YFB1100101), the National Natural Science Foundation of China (Grant No. 51471135), Shenzhen Science and Technology Program, China (Grant No. JCYJ20170815162201821), Shaanxi Provincial Key R&D Program, China (Grant No. 2017KW-ZD-07), and the Fundamental Research Funds for the Central Universities, China (Grant No. 31020170QD102).</fn>

Metastable phase separation and rapid solidification of undercooled Co₄₀Fe₄₀Cu₂₀ alloy**

Project supported by the National Key Research and Development Program of China (Grant No. 2016YFB1100101), the National Natural Science Foundation of China (Grant No. 51471135), Shenzhen Science and Technology Program, China (Grant No. JCYJ20170815162201821), Shaanxi Provincial Key R&D Program, China (Grant No. 2017KW-ZD-07), and the Fundamental Research Funds for the Central Universities, China (Grant No. 31020170QD102).

Bai Xiaojun^{1, 2}, Wang Yaocen^{1, 2, †}, Cao Chongde^{1, 2, ‡}

Microstructures of the Co₄₀Fe₄₀Cu₂₀ samples solidified at various undercoolings by electromagnetic levitation processing: (a) ΔT = 105 K; (b) ΔT = 165 K; (c) ΔT = 210 K, the inset shows the microstructure of the solidified (Fe,Co)-rich liquid; (d) ΔT = 210 K, microstructure of the solidified Cu-rich liquid.