摘要：用理学Ｘ射线衍射仪、ＴＧ－ＤＴＡ、ＩＲ－４４０ 红外光谱研究了Al₂O_3-Na₂O-CaO-SrO系统富Ａｌ２Ｏ３ 区域固态反应。实验结果表明，煅烧过程固态反应的最终物相组成为Na₂O·11Al₂O₃，CaO·6Al₂O₃ ，SrO·6Al₂O₃与α－Al₂O₃ 共存

关键词：Al₂O_3-Na₂O-CaO-SrO系统;富Al₂O₃区;固态反应;

Abstract：In this paper, the solid state reaction of Al₂O₃ rich region in Al₂O₃ Na₂O CaO SrO system is studied by X ray diffractometer, TG DTA and IR 440 infrared spectrometer The experimental results show that the final phase composition of solid state reaction in the calcinating process are Na₂O·11Al₂O₃, CaO·6Al₂O₃, SrO·6Al₂O₃ and α Al₂O₃

Keyword：Al₂O₃ Na₂O CaO SrO system; Al₂O₃ rich region;solide state reaction;