Improvement of sintering, nonlinear electrical, and dielectric properties of ZnO-based varistors doped with TiO2
Desouky Osama A1, †, , Rady K E2
       

(a) Variations of water absorption and shrinkage percentage with sintering temperature of sample A4 (x = 0.9 mol% of TiO2), and (b) variations of water absorption with sintering temperature of all the prepared samples.