MgO对磷铝酸盐富玻璃相水泥熟料相组成及水化性能的影响

EFFECT OF MgO ON THE PHASE COMPOSITION AND HYDRATION PROPERTY OF ALUMINOPHOSPHATE GLASS-RICH CEMENT

本工作利用XRD ,IR ,DTA及EMPA技术 ,研究了含氧化镁磷铝酸盐富玻璃相水泥的合成、相组成及水化活性 ,并系统讨论了MgO对熟料相组成及水化活性的影响 .结果表明 ,通过掺加适量的MgO ,可在 14 5 0℃合成结合磷铝酸盐水泥与玻璃水泥的一种新的水泥体系———磷铝酸盐富玻璃相水泥 ,该水泥熟料以玻璃体为主 ,少量晶相为CA及CxP ,其水化产物相结构稳定 ,浆体具有早强。

An aluminophosphate glass-rich cement, a cement combining aluminophosphate cement with glass cement has been synthesized at 145°C by adding appropriate MgO. The base composition, hydration activity of the clinker were examined by means of XRD, IR, DTA and EMPA. The main phase of the cement is glass phase, CA and CxP. The cement has the characteristics of stable hydrates, high-early strength and steadily growing long-term strength.