发明名称 PRODUCTION OF CERAMICS AND ACID TREATING APPARATUS THEREFOR
摘要 PURPOSE:To obtain ceramics having a low metal or metal oxide content by subjecting a ceramic molded body to calcining, heating in an acid soln. and firing. CONSTITUTION:Ceramic powder is kneaded with a solvent and a binder to prepare a ceramic compd. and a molded body is formed with the compd. and calcined preferably at 600-800 deg.C. An acid, preferably nitric acid is then impregnated into the molded body to leach out the metal or metal oxide in the molded body and this molded body is fired. Hot isostatic pressing is preferably carried out after the firing.
申请公布号 JPH0446064(A) 申请公布日期 1992.02.17
申请号 JP19900151852 申请日期 1990.06.11
申请人 TOTO LTD 发明人 HAYASHI KOICHI;KOBAYASHI OSAMU
分类号 C04B35/64;B28B11/00;C04B35/622 主分类号 C04B35/64
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