Effect of steady magnetic field on undercooling of Al-Cu alloy melts Rui Guo, Chuanjun Li, Shengya He, Jiang Wang, Weidong Xuan, Xi Li, Yunbo Zhong and Zhongming Ren EPL, 126 4 (2019) 46001 Published online: 24 June 2019 DOI: 10.1209/0295-5075/126/46001