Preparation of Homogeneous Dense Composite of Zirconia and Alumina (ZTA)using Colloidal Filtration Year: 2010 Volume: 4 Issue: 10 664 - 669 Pages Authors: H. Wakily M. Mehrali H. S. C. Metselaar Abstract: Homogeneous composites of alumina and zirconia with a small amount of MgO (99%) were obtained for ZTA ceramic containing 0.05 wt% MgO in 1500 °C. Keywords: Colloidal filtration Dolapix MgO Zirconiatoughened alumina.