Abstract
Oxidation-resistant ultra-fine Fe−Co particles were produced by reduction of silica-coated Co-ferrite with hydrogen gas in a horizontal tube furnace at 550°C for 7h. The mean particle size of the Fe−Co particles was 13 nm and the specific magnetization of the particles was 162 emu/g. In addition, a surfactant coating thickness greater than 11.8 nm was formed after triple coatings of the surface active agents oleic acid, silicone oil and polyvinylpyrrolidone on the surface of the Fe−Co particles to promote dispersion stability. A dispersion with an efficiency of up to 94% was achieved.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
R. E. Rosensweig,Encyclopedic Dictionary of Physics, Suppl. 4, p. 111 (1971).
K. J. Nakatsukaet al., Iron and Steel 73, 55 (1987).
Y. S. Kim,Magnetic materials of new age, p. 317, Daekwang Munwhasa Publishing, Seoul, Korea (2001).
J. Shimoiizaka,Japan Metallurgy Society Bulletin 15, 77 (1976).
M. O. Lutset and V. A. Staroveitov,IEEE Trans. On Mag., MAG-16, p. 343 (1980).
R. L. Bailey,J. Mag. Mag. Mater. 39, 178 (1980).
S. Seki, Y. Yoshida, and C. Nakazato,Japan Industrial Material 31, 60 (1982).
W. Ochonski,Wear 130, 261 (1989).
S. Taketomiet al., Magnetic fluid, p. 66, Nikan Industrial News Publishing, Tokyo, Japan (1988).
S. E. Khalafalla and G. W. Reimers,Chem. Tech. 5, 540 (1975).
L. Mir, C. Simard, and G. Grana,3rd Urban Technology Conference and Technical Display, AIAA paper No. 73-959, p. 1, Boston, MA (1973).
M. Kiyoshi,Environmental Creation 5, 55 (1974).
J. Shimoiizakaet al., Japan Mining Bulletin 93, 1068 (1977).
J. Shimoiizakaet al., Japan Mining Bulletin 99, 53 (1983).
S. Takatoshi,Powder Engineering Bulletin 20, 32 (1983).
J. Shimoiizaka,J. of the Mining and Metallurgical Institute of Japan 647, 7 (1982).
S. Kamiyama,Introduction to Magnetic Fluid, p. 104, Industrial Books Publishing, Tokyo, Japan (1989).
S. Taketomiet al., Magnetic fluid, p. 75. Nikan Industrial News Publishing, Tokyo, Japan (1988).
K. Matsumura,Japan, Magnetic fluid engineering related investigation research result, p. 166 (1986).
D. J. Dunlop,J. Geophysical Research 78, 1780 (1973).
B. D. Cullity,Introduction to Magnetic Materials, p. 147, Addison-Wesley Publishing (1972).
J. Smit and H. P. J. Wijn,Ferrites, p. 369, Wiley Publishing (1959).
H. J. Kim, D. G. Leeet al., Magnetic Materials, p. 193, Bando Publishing, Seoul, Korea (1992).
Y. S. Kim, Int. J. Soc. Mater. Eng. Res.7, 133 (1999).
S. W. Kang,Ph.D. thesis, Dept. of Metallurgy, Dong-A Univ., Busan, Korea, p. 74, 95 (1996).
J. S. Lim,M.S. thesis, Dept. of Metallurgy, Dong-A Univ. Busan, Korea, p. 4–5, 15 (2000).
S. Kamiyama,Introduction to Magnetic Fluid, p. 17, Industrial Books Publishing, Tokyo, Japan (1989).
M. Sato and J. Shimoiizaka,Proceedings of the Japan Chemistry Society Annual Meeting, Vol. 19, p. 293 (1966).
Ch. Kuhrt and L. Schultz,J. App. Phys. 71, 1897 (1992).
Y. Sakka, T. Uchikoshi, and E. Ozawa,J. Mat. Science 28, 210 (1993).
Montivision Image analyzer, www.montivision.com, Montivision Image Technologies.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Zorigtkhuu, D., Kim, YS., Kim, H. et al. Manufacture of an oil-based Fe−Co magnetic fluid by utilization of the pickling liquid of steel. Met. Mater. Int. 12, 517–523 (2006). https://doi.org/10.1007/BF03027753
Issue Date:
DOI: https://doi.org/10.1007/BF03027753