| 학회 | 한국화학공학회 |
| 학술대회 | 2003년 가을 (10/24 ~ 10/25, 한양대학교) |
| 권호 | 9권 2호, p.2698 |
| 발표분야 | 재료 |
| 제목 | 페로코발트 자성유체의 제조와 응용 |
| 초록 | Ferro-cobalt magnetic powder in nano-meter size is manufactured to implement in a magnetic fluid sealing mechanism. The powder is coated with silicon dioxide for the prevention of aggregation. Also three surface active agents are applied to improve particle dispersion in fluid medium. The average size of the powder particle is 9.4 nm, and its magnetization is 154 emu/g in the magnetic field of 10 kOe. The dispersed particle shows little settlement for 20 weeks. From the sealing performance test, the holding pressure is 25 times as high as that of a conventional magnetite sealing. |
| 저자 | 김병철, 김영삼, 김영한 |
| 소속 | 동아대 |
| 키워드 | Ferro-Cobalt Magnetism; Magnetic Fluid;Oil Sealing;Particle Coating;Nano-Particle |
| 원문파일 | 초록 보기 |
