Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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Magnetic Properties and Microstructures of Melt Spun Misch Metal-Ferroboron Alloys

  • Ko, K.Y. (Department of Physics,University of Salford Dept.of Metal Mould, Ulsan College of Technology) ;
  • Booth, J.G. (Department of Physics,University of Salford) ;
  • Al-Kanani, H.J. (Department of Physics,University of Salford) ;
  • Lee, H.Y. (Dept.fo Materials Science,University)
  • Published : 1996.12.01
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Abstract

Magnetic properties and microstructures of melt spun misch metal-ferroboron alloys were investigated. The major phase is the tetragonal (rare earth)$_2Fe_{14}B$ phase. Magnetic properties showed coercivity of 5.6 kOe, remanence of 7.85 kG, and so energy product 8.9 MGOe. Microsturctures 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.

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