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Preparation and Sintering Characteristics of Y-doped $SrZrO_3$ by Citrate Gel Method
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  • Preparation and Sintering Characteristics of Y-doped $SrZrO_3$ by Citrate Gel Method
  • Preparation and Sintering Characteristics of Y-doped $SrZrO_3$ by Citrate Gel Method
저자명
Jeon. Yang-Seuk,Sim. Soo-Man
간행물명
The Korean journal of ceramics
권/호정보
1999년|5권 3호|pp.217-223 (7 pages)
발행정보
한국세라믹학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Proten-conductive $SrZr_{0.95} Y_{0.05} O_{2.975}$ powder was prepared by citrate gel method its characteristics and sinterability were investigated. Amorphous gel could be obtained from a citric acid solution that $SrCO_3$ and metal nitrates were dissolved. The initial decomposition of the gel proceeded up to $250^{circ}C$, followed by combustion of its decomposition products in the temperature range from $250^{circ}C$ to $500^{circ}C$. A well-crystallized perovskite phase with a stoichiometric composition after calcination at $1000^{circ}C$. Sintering green compacts of this powder for 6 h showed a considerable densification to start at $1200^{circ}C$ and resulted in 86.8% and 96.5% relative densities at $1400^{circ}C$ and $1600^{circ}C$, respectively. Whereas, the powder compacts prepared by solid state reaction had much lower relative densities, 73% at $1400^{circ}C$ and 92% at $1600^{circ}C$.