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Synthesis of 3 mol % yttria stabilized zirconia using precipitation and sol-gel method
사신 브람, 김택남 배재대학교 공학연구소 2012 공학논문집 Vol.14 No.1
There is increasing interest in zirconia as a dental material due to its aesthetics. Sol-gel method is considered to be the best for its synthesis. Here we have tried to synthesize zirconia by combining precipitation with sol-gel method. NaOH is the precipitating agent used in this method, which we think, is easy to separate from the final solution. Zirconium and yttrium salts are used as precursors and PEG is used to separate the metal ions. Finally the zirconia powder obtained is calcined at 900oC for 2hrs. XRD analysis was done on the samples to confirm the crystal structure which showed that 1M ZrOCl2 gave the best result.