Modelling of viscosity of fluorine-free mold fluxes using neural network Xiaoli Yuan, Lin Wang, Jianqiang Zhang, Oleg Ostrovski, Chen Zhang and Dexiang Cai Metall. Res. Technol., 116 2 (2019) 201 Published online: 14 January 2019 DOI: 10.1051/metal/2018053