发明名称 MANUFACTURE OF ZIRCONIA FINE POWDER AND PARTIALLY STABILIZED ZIRCONIA SINTERED BODY
摘要 PURPOSE:To manufacture tetragonal zirconia fine powder which is suitable as raw material for manufacturing a partially stabilized zirconia sintered body and has uniform grain size by reacting steam with gasified zirconium compound. CONSTITUTION:A gas obtained by heating zirconium compound (for example, zirconium chloride, tetraethoxyzirconium) in the atmosphere of inert gas is brought into contact with >=10 times equivalent steam oxygen or air may be used as a carrier) per said gas to react at about 600-1,100 deg.C to form tetragonal zirconia fine powder (about 150-300Angstrom grain size). Said zirconia fine powder is dispersed and mixed in the soln. of a stabilizer (for example, yttrium acetate) and thereafter is dried. Next, the zirconia fine powder coated with the stabilizer is molded and sintered at about 1,200-1,500 deg.C to obtain a partially stabilized zirconia sintered body easily.
申请公布号 JPS60131826(A) 申请公布日期 1985.07.13
申请号 JP19830240597 申请日期 1983.12.20
申请人 NIPPON SODA KK 发明人 HATANAKA TOMOJI;KIKUCHI ICHIROU
分类号 C04B35/48;C01G25/02 主分类号 C04B35/48
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