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J. Korean Ceram. Soc. > Volume 39(10); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(10): 1001.
doi: https://doi.org/10.4191/kcers.2002.39.10.1001
은이 피복된 단심 Bi(2223) 초전도 선재에 대한 SrZrO3 코팅층의 접착강도 특성
이세종, 예경환1, 이득용2, 송요승1
경성대학교 재료공학과
1한국항공대학교 항공재료공학과
2대림대학 재료정보학과
Bond Strength of SrZrO3 Coatings on Ag Sheathed Bi(2223) Mono-core Tape
Se-Jong Lee, Kyung-Hwan Ye1, Deuk-Yong Lee2, Yo-Seung Song1
Department of Materials Engineering, Kyungsung University
1Department of Aviation Materials Engineering, Hankuk Aviation University
2Department of Materials Engineering, Daelim College of Technology
ABSTRACT
Bond strength of $SrZrO_3$ resistive oxide barrier on Ag sheathed Bi(2223) tapes prepared by the sol-gel and dip-coating method was evaluated with an aid of Taguchi method and $L_18(2^1{times}3^7)$ orthogonal arrays to determine the optimal process combination of levels of factors that best satisfy the bigger is better quality characteristic. The observed optimal condition is as follows: Sr/Zr mol ratio(0.3/0.7), amount of organic vehicle(5 wt%), drying temperature and time(160${circ}C$, 10 min), heat treatment temperature and time(500${circ}C$, 20 min), respectively. ANOVA analysis suggested that the influence of the factors within ${alpha}$=0.1 was significant with a 90% confidence level.
Key words: Sol-gel, Dip-coating, Bi(2223), $SrZrO_3$, Bond strength, Taguchi method
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