以Zn(NO3)2·6H2O、Co(NO3)2·6H2O、Al(NO3)3·9H2O和C12H22O11为原料,采用溶液燃烧法合成ZnxCo1-xAl2O4(0≤x≤1)尖晶石型陶瓷色料.采用X射线衍射(XRD)、扫描电子显微镜(SEM)和色度分析仪等检测方法对Zn2+的掺杂量和热处理温度对合成粉体的物相组成、微观形貌和呈色性能的影响规律进行了表征.结果表明:在Zn2掺杂量x=0.2、前驱体溶液中(Zn2++Co2+)浓度为0.3 mol/L、点燃温度400℃、后续热处理温度1200℃和保温时间30 min条件下,合成色料的蓝度值(-b*)达47.03的最大值,其平均晶粒尺寸为120 nm.
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