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Magnetic Properties and Microstructures of Melt Spun Misch Metal - Ferroboron Alloys
K. Y. Ko,J. G. Booth,H. J. Al-Kanani,H. Y. Lee 한국자기학회 1996 Journal of Magnetics Vol.1 No.2
Magnetic properties and microstructures of melt spun misch metal-ferroboron alloys were investigated. The major phase is the tetragonal (rare earth)₂Fe₁₄B phase. Magnetic properties showed coercivity of 5.6 kOe, remanence of 7.85 kG, and so energy product 8.9 MGOe. Microstructures in optimum properties showed that matrix was composed of Ce-rich phase while second phase La-rich-oxygen phase with less amount of Fe element than matrix, and triple junction with La-rich phase contrary to matrix.