Structural Change and Sintering Behavior of BaTi5O11 Coating Film Derived from Metal Alkoxide

BaTi5O11 coating films were prepared by the sol-gel method using metal alkoxides. Effects of organic sol-vents and hydrolysis-inhibiting additives on structure and sinterability of gel films were examined. Transparent coating films were obtained in air by partial hydrolysis of Ba/Ti alkoxides using...

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Bibliographic Details
Published inJournal of the Ceramic Society of Japan Vol. 101; no. 1176; p. 918
Main Authors FUKUI, Toshimi, SAKURAI, Chihiro, OKUYAMA, Masahiko
Format Journal Article
LanguageEnglish
Published Tokyo Japan Science and Technology Agency 01.01.1993
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Summary:BaTi5O11 coating films were prepared by the sol-gel method using metal alkoxides. Effects of organic sol-vents and hydrolysis-inhibiting additives on structure and sinterability of gel films were examined. Transparent coating films were obtained in air by partial hydrolysis of Ba/Ti alkoxides using 2-ethoxyethanol as a sol-vent, and addition of ethyl acetoacetate was also attractive. After firing at 900°C to 1000°C, single-phased and dense BaTi5O11 films were prepared on YSZ. However, these films had different gel structures and sintering behavior; thus, organic additives such as ethyl acetoacetate affect the sinterability of the gel films and microstructure of resultant films.
ISSN:1882-0743
1348-6535