Zirconia and yttria-stabilized zirconia have attracted the ongoing interest of researchers
because the combination of electrical, mechanical and thermal properties of this material has led
to its use in a wide range of applications, such as electronic materials, oxygen sensors, humidity
sensors, solid oxide fuel cells, catalyst support, thermal barrier coating, tooth crownsand
refractory. Mechanochemistry is a branch of chemistry which is concerned with chemical and
physico-chemical changes of substances of all states due to the influence of mechanical energy.
Mechanochemical process can induce structural and chemical changes in solid-state, and it
enables us to synthesize ultrafine powders. The objectives of this study were to prepared zirconia
and yttria-stabilized zirconia powders with 3, 8 and 15 %mol yttria by mechanochemical process
from zirconium oxychloride and yttrium chloride precursors with lithium carbonate, to study the
effect of LiCl (2 and 6 mol) as an diluent on average agglomerated size of powders and to study
the effect of nanomizer on average agglomerated size of powders. The reactant mixtures were