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http://dx.doi.org/10.4191/KCERS.2011.48.1.106

Heat Treatment Effect on the Microstructure of 8YSZ Thick Film  

Han, Sang-Hoon (Department of Advanced Materials Engineering, Chosun University)
Noh, Hyo-Seop (Department of Product Development, Gaustek Co. Ltd.)
Na, Dong-Myung (Department of Product Development, Gaustek Co. Ltd.)
Jin, Guang-Hu (Department of Product Development, Gaustek Co. Ltd.)
Lee, Woon-Young (The Research Institute of Advanced Engineering Technology, Chosun University)
Park, Jin-Seong (Department of Advanced Materials Engineering, Chosun University)
Publication Information
Journal of the Korean Ceramic Society / v.48, no.1, 2011 , pp. 106-109 More about this Journal
Abstract
In order to fabricate 8YSZ thick film by silk screen printing, YSZ(yttria-stabilized zirconia) commercial powder was used as starting materials. Paste for screen printing was made by mixing 8YSZ powder and organic vehicles. 8YSZ thick film was formed on $Al_2O_3$ substrate. The crystal structure, and microstructure were investigated. Grain size of 8YSZ was increased with increasing calcination temperature and rapid grain growth was shown after calcination at $1300^{\circ}C$. Microstructure showed the mixture of large and small grain size after $1400^{\circ}C$ sintering. Shrinkage rate of 8YSZ thick film sintered at $1400^{\circ}C$ was more than 40%.
Keywords
YSZ; Thick film; Calcination temperature; Sintering temperature; Microstructure;
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