Effect of titanium on the skull formation of the blast furnace hearth Yan Li, Tingfang Jian, Tongxiang Ma, Meilong Hu, Leizhang Gao and Yu Yang Metall. Res. Technol., 117 4 (2020) 409 Published online: 29 July 2020 DOI: 10.1051/metal/2020042