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- 플라즈마 용사에 의한 BSCCO 초전도체 형성을 위한 용사 분말의 제조에 관한 연구
- 박정식, 조창은, 박경채
- A Study on Manufacture of Spraying Powder for BSCCO Superconductor Formation by Plasma Spray
- Jeong-Sik Park, Chang-Eun Cho, Kyung-Chae Park
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Journal of Korean Powder Metallurgy Institute 2008;15(6):477-481
DOI: https://doi.org/10.4150/KPMI.2008.15.6.477
1대구보건대학 안경광학과
2경북대학교 금속신소재공학과
3경북대학교 금속신소재공학과
1Dept. of Ophthalmic Optics, Daegu Health College
2Dept. of Materials Science and Metallurgical Engineering, Kyungpook National University
3Dept. of Materials Science and Metallurgical Engineering, Kyungpook National University
2경북대학교 금속신소재공학과
3경북대학교 금속신소재공학과
1Dept. of Ophthalmic Optics, Daegu Health College
2Dept. of Materials Science and Metallurgical Engineering, Kyungpook National University
3Dept. of Materials Science and Metallurgical Engineering, Kyungpook National University
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Abstract
Formation and characteristics of spraying powder for BSCCO High-Tc superconductor prepared by plasma spray coating were investigated. The addition of 3% of binder gives the best flowability of the powder. Ball milling for 30h and 35h gives the best flowability of powder in the case of 2001 and 0212, respectively. The withdraw ratio increases upon binder addition from 12 to 27% in the case of 2001 and from 18 to 31% in the case of 0212 for sieving powder of 30-90µm in size. The built-up efficiency for 100µm thickness of spray coating is increased more than 30% by binder addition. The microstructure of the spray coated layers was investigated by XRD and EDS analysis.
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