Preparation of Yttria-Stabilized Zirconia Microtube by Electrochemical Vapor Deposition

Autor:	Zempachi Ogumi, Minoru Inaba, Tadayoshi Takahashi, Kenji Kikuchi, Atsushi Mineshige, Akimasa Tasaka, Tomoo Kawagoe
Rok vydání:	1995
Předmět:	Zirconium Materials science Nickel oxide Inorganic chemistry chemistry.chemical_element Yttrium Chemical vapor deposition Nickel chemistry Materials Chemistry Ceramics and Composites Cubic zirconia Layer (electronics) Yttria-stabilized zirconia
Zdroj:	Journal of the American Ceramic Society. 78:3157-3159
ISSN:	1551-2916 0002-7820
Popis:	A microtube of yttria-stabilized zirconia of ca. 100 μm diameter was prepared. An yttria-stabilized zironia film was formed over a surface-oxidized nickel wire with a diameter of 10 μm by electrochemical vapor deposition using zirconium tetrachloride and yttrium trichloride as metal sources, and nickel oxide as an oxygen source for the reaction. The YSZ-coated wire was then immersed in aqueous 11.5 mol.L-1 hydrochloric acid to dissolve the nickel and nickel oxide, and a microtube of 80 mol? yttria-stabilized zirconia with a cubic crystal structure was obtained. The surface of the microtube was rough, but was pinhole-free, from SEM observation. The thickness of the zirconia layer was about 3 μm.
Databáze:	OpenAIRE
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