| 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 |
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| ABSTRACT |
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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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