低硫型水化硫铝酸钙(AFm)脱水相及其水化特性研究  

Research of Dehydrated Calcium Aluminate Hydrates and its Hydration

作　　者：潘国耀[1] 毛若卿[1] 张惠玲 

机构地区：[1]武汉工业大学硅酸盐工程研究中心

出　　处：《武汉工业大学学报》1997年第3期28-30,共3页

摘　　要：用自蔓延（ＳＨＳ）法合成了ＣＡ，并由ＣＡ水化合成了低硫型水化硫铝酸钙（ＡＦｍ）纯样，用ＤＴＡ－ＴＧ、ＸＲＤ研究了ＡＦｍ脱水过程中的组成与结构的变化，发现ＡＦｍ在３００～４８０℃左右脱水生成“无水ＡＦｍ”，对无水ＡＦｍ的水化产物、水化过程以及硬化体性能研究表明无水ＡＦｍ具有较好的胶凝能力，凝结时间较长，水化硬化体强度后期增进率较高；当加入石膏时，硬化体显示明显的膨胀能力。C 3AH 6 was produced using AR. material Dehydration process and compositions and properties of dehydrated phases were studied by means of DTA TG、XRD. Hydration products and hydration rate were determined by QXRD, The setting time of dehydrated phases and strength of hardened pastes were investigated. The paper provides foundation for establishing a new kind of cementitious material study system based on dehydrated hydrates phases at low temperature (about 400 ℃).

关 键 词：AFM 脱水相 胶凝材料 水化硫铝酸钙 水化 

分 类 号：TQ177[化学工程—硅酸盐工业]