研究了分散剂(包括AN-2000、聚丙烯酸铵、三聚磷酸钠以及质量比为1:1的三聚磷酸钠和六偏磷酸钠)、浆料固相体积含量及助烧剂电熔镁砂细粉对刚玉-尖晶石浆料粘度的影响.研究结果显示:AN-2000对该复合浆料具有最佳的分散效果;添加0.5%的AN-2000可制得固相体积含量为57%的刚玉-尖晶石浆料,该浆料在剪切速率为50 s-1时粘度为0.37 Pa·s;为制备高固相体积分数的刚玉-尖晶石浆料,电熔镁砂的添加量以小于0.7%为宜.
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