Influence of Al2O3 Content of Sintering and Crystallization of CaO-Al2O3-SiO2 Glass-ceramic Decorated Material He Feng; Zhao Qian; Wang Qun; Liu Mingzhi (Lect., Research Centre of silcate Engineering, WUT, Wuhan 430070, China.) The influence of Al2O3 content on sintering and crystallizaton of CaO-Al2O3-SiO2 glass-ceramic decorated material were studied. According to the industrial produce,the optimum Al2O3 content was definited. glass ceramic; sintering kinetics; sintering process