Preparation of Al2O3@CaCO3 aggregates and its effects on the thermal shock resistance of Al2O3‐MgO castables. - Qu, Jiaoyang; Ding, Donghai; Xiao, Guoqing; Lei, Changkun; Luo, Jiyuan; Chen, Jianjun; Zang, Yunfei (International Journal of Applied Ceramic Technology, 2021)