スリップキャスト法によるアルミナ層で表面処理したY-TZP厚膜の作製

概要

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A fabrication process of multilayer thick film was discussed. The film, consists of three-layered structure, was stacked with protective layers of Al_2O_3 against vapor attack on both sides of Y-TZP layer. Slip casting method was used to form a multilayer green body. The thickness of each layer in the green body was controlled on the basis of casting data which was calculated for Al_2O_3 and Y-TZP slips. To avoid fracture during in an ambient atmosphere, it was important to minimize differences in permeability and pore size between Al_2O_3 and Y-TZP layers. No cracking was observed in a multilayer-sintered body, when a densification rate of each layer in the early stage of sintering was equal. The dense multilayer thick film was obtained by firing at 1600℃ for 2 h.
社団法人日本セラミックス協会の論文
1990-11-01