为了应用分形理论确定纳米3Y-TZP粉体制备方法的优劣,采用共沸蒸馏法和醇水溶液加热法制备了纳米3Y-TZP粉体,利用TEM观察确定了粉体粒径尺寸和团聚体形貌,并运用分形理论分析了分形维数和粉体烧结性能的关系.结果表明:纳米粉体在颗粒尺寸相同的情况下,粉体分形维数越低,团聚体半径越小,烧结性能越好;对粉体TEM图像进行分形维数计算并与粉体红外光谱分析和烧结结果进行了比较,确定醇水溶液加热法制备纳米3Y-TZP粉体效果较好.
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