自制了包括铁铬系辐射粉料、粘结剂、添加剂、助烧剂的高温红外辐射涂料,并对涂料进行了烧结实验;利用热重差热分析和SEM、XRD分析对涂料烧结过程中的显微结构变化及物相组成进行了研究.利用电子探针对涂层与高铝耐火砖的结合界面进行了线扫描分析.测试结果表明,涂料经1500℃烧结后,辐射粉料以尖晶石相分散在铝硅基体相中;涂料在2～18μm的平均辐射率达到0.89.电子探针线扫描分析和热震实验显示,该涂料与耐火砖形成牢固的结合层,使涂层具有良好的抗热震性.
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