H. Hadraba et al /Ceramics International 30 (2004)853-863 3 um Fig. 7. Microstructure of alumina/zirconia particle composite of type PC 50/50 I FGM HP/3Y -2 500pm FGM HP/3Y-5 Fig 8 Microphotographs of alumina/zirconia functionally gradient materials of type FGM HP/3Y-2 and FGM HP/3Y- 2=5bozo 8○us9> 1.0 2.5 DISTANCE [mm] Fig 9. Dependence of alumina volume concentration in alumina/zirconia fuctionally gradient material FGM HP/5Y-5 on distance from anode860 H. Hadraba et al. / Ceramics International 30 (2004) 853–863 Fig. 7. Microstructure of alumina/zirconia particle composite of type PC 50/50. Fig. 8. Microphotographs of alumina/zirconia functionally gradient materials of type FGM HP/3Y-2 and FGM HP/3Y-5. Fig. 9. Dependence of alumina volume concentration in alumina/zirconia fuctionally gradient material FGM HP/3Y-5 on distance from anode