Consideration of long campaign based on analysis of 4038 m3 blast-furnace hearth core investigationZhe Jiang, Tianyong Guo, Daichao Hu, Minghui Xie, Bingnan Liu and Shuo YaoMetall. Res. Technol., 120 2 (2023) 213DOI: https://doi.org/10.1051/metal/2023027