用铝型材厂废渣,高岭土和TiO2为主要原料固相烧结合成钛酸铝-莫来石复相材料.探讨不同原料配比对材料晶相及微观形貌的影响.采用X-射线衍射仪(X-Ray diffraction,XRD),扫描电镜(Scanning electron microscopy,SEM)及相关分析软件表征复相材料的晶相组成和显微结构.研究结果确定最佳的原料配比为:铝型材厂废渣:高岭土:TiO2(质量比,下同)为:68∶13∶19,此时复相材料的主要相组成为钛酸铝(Al2TiO5):60.8%,莫来石固溶体(Al4.544Si1.456 O9.36B):22.7%,扫描电镜观察结果显示Al2TiO5晶体呈自形状,而莫来石固溶体主要以柱状和针状产出,材料体积密度达到3.53 g/cm3,气孔率为9.8%,抗折强度为34.15 Mpa.
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