Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Heat Treatment Effect on the Microstructure of 8YSZ Thick Film

열처리 온도에 따른 8YSZ 후막의 미세구조

  • 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)
  • Received : 2010.11.18
  • Accepted : 2010.12.02
  • Published : 2011.01.31
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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%.

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References

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