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- L. Withanawasam
- Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716
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- A. S. Murphy
- Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716
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- G. C. Hadjipanayis
- Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716
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- R. F. Krause
- Magnetics International, Inc., 1111 North State Road 149, Burns Harbor, Indiana 46304
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抄録
<jats:p>We have studied the crystallization, crystal structure, microstructure and magnetic properties of R-Fe-B (R=Nd,Pr,Dy,Tb) based melt-spun ribbons consisting of a mixture of R2Fe14B and α-Fe phases. All the samples crystallize first to α-Fe and a metastable phase (Y3Fe62B14 for R=Nd,Pr,Dy and TbCu7 for R=Tb) before they finally transform to 2:14:1 and α-Fe. The highest values of coercivity and reduced remanence, 4.5 and 0.63 kOe, respectively, were obtained in a Nd3.85Tb2(Fe-Nb-B)94.15 sample. These properties are the result of a fine grain microstructure consisting of a mixture of α-Fe and 2:14:1 having an average grain size of 30 nm.</jats:p>
収録刊行物
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- Journal of Applied Physics
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Journal of Applied Physics 76 (10), 7065-7067, 1994-11-15
AIP Publishing
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詳細情報 詳細情報について
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- CRID
- 1361981471191071744
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- NII論文ID
- 30015824284
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- NII書誌ID
- AA00693547
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- DOI
- 10.1063/1.358028
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- ISSN
- 10897550
- 00218979
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