Effect of FetO on viscosity and structure of Na2O3-B2O3-CaO-SiO2-Al2O3 slagJunli Guo, Jin Zou, Huihui Yu, Kai Hu and Qiang HuMetall. Res. Technol., 121 6 (2024) 622DOI: https://doi.org/10.1051/metal/2024095