通过高纯氧化铝陶瓷浆料粘度和zeta(ζ)电位等参数的考察,探讨了不同pH值下,含镁离子电解质对其流变性能的影响.结果表明,镁离子会降低氧化铝浆料的流变性能.在其存在下,无分散剂时与添加聚丙烯酸(PAA)作分散剂时,pH值分别为6.5和9.5的浆料具有良好的流变性能.无镁离子存在时,PAA的最佳添加量为0.5%;镁离子浓度为0.05mol/L时,该量增加至0.9%.
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