Journal
JOURNAL OF APPLIED PHYSICS
Volume 112, Issue 9, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4764320
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Funding
- Fundamental R&D Program for Core Technology of Materials
- Ministry of Commerce, Industry and Energy
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology, Republic of Korea [2012-0007200]
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The magnetic and microstructural properties of (Nd27.68Dy4.89)-Febal.B1.0M2.4 (wt. %, M=Cu, Al, Co, and Nb) sintered magnets doped with Dy2O3 and DyHx powders were studied. The coercivity of the DyHx-doped magnet improved, with no change in the remanence. Well-developed core-shell microstructures were seen in the DyHx-doped magnet, as compared to the case of the Dy2O3-doped magnet. Diffusion of Dy was enhanced in the DyHx-doped magnet, probably because dissolution of hydrogen in Nd2Fe14B increased the lattice parameter. The (00L) grain alignment in the DyHx-doped magnet was also improved. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4764320]
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