@article{oai:nitech.repo.nii.ac.jp:00004029, author = {大門, 啓志 and 山田, 淳二 and 加藤, 悦朗}, issue = {1135}, journal = {Journal of the Ceramic Society of Japan}, month = {Mar}, note = {Spherically aggregated ZrO_2 particles of about 1 μm with narrow size distribution were obtained by hydrothermal treatment of highly concentrated ZrOCl_2 solutions at 200℃ following the heat-treatment at 300℃ in air to dry. The aggregates are joined each other and are easily collapsed and dispersed to ultrafine particles of smaller than 10 nm by adding water before drying. The powder composed of the aggregates maintaining the shape as well as formed at the stage of the hydrothermal treatment was obtained when the 'double structured vessel' was employed for the hydrothermal treatment., application/pdf}, pages = {300--304}, title = {ZrOCl_2濃厚溶液の水熱処理によるジルコニア球状凝集粒子の生成}, volume = {98}, year = {1990}, yomi = {ダイモン, ケイジ} }