Tetragonal zirconia doped with 3 mol% ErtOj was prepared by the gel-precipitation wet-chemical method. The compaction response of ultrafine (-8.5 nm), calcined, deagglomerated powders was studied. Initial sintering was studied using both isothermal and nonisothermal techniques, and an activation energy of 270 k 40 kJ/mol was obtained; therefore, grain-boundary diffusion was probably the predominant mechanism in the sintering stage. The microstructural development in the high-temperature-aged, sintered samples and its effect on density and mechanical properties were also studied. A theoretically dense body of tetragonal zirconia solid solution of 3 mol% Er2O3-ZrO2, obtained from sintering below 1400"C, was translucent. [
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.