DocumentCode
786676
Title
A detailed study of the nitrogenation of the Fe17R2 phases (R=Sm, Gd, Ho and Tb)
Author
Gama, S. ; Ribeiro, C.A. ; Colucci, C.C. ; Sanjujo, N.L. ; Campos, C.
Author_Institution
Inst. de Fisica, Univ. Estadual de Campinas, Sao Paulo, Brazil
Volume
31
Issue
6
fYear
1995
fDate
11/1/1995 12:00:00 AM
Firstpage
3704
Lastpage
3706
Abstract
Early studies in the 17:2 phases based on Pr, Nd and Sm for relatively low absorption temperature (400°C) showed that the diffusion pattern is different from the shell-core model. Instead, the diffusion occurs at phase and grain boundaries. The precipitation of the saturated phase occurs along these boundaries. In this work we show, using different characterization methods, that the same behavior is observed for the 17:2 phases based on Sm, Gd, Ho, Tb
Keywords
ferromagnetic materials; gadolinium alloys; grain boundary diffusion; holmium alloys; iron alloys; nitrogen; permanent magnets; phase diagrams; precipitation; samarium alloys; solid-state phase transformations; terbium alloys; 400 C; Fe17Gd2N; Fe17Gd2Nx; Fe17Ho2N; Fe17Ho2Nx; Fe17Sm2N; Fe17Sm2Nx; Fe17Tb2N; Fe17Tb2Nx; diffusion pattern; grain boundaries; phase boundaries; saturated phase precipitation; shell-core model; Absorption; Diffraction; Electrons; Iron; Lattices; Neodymium; Nitrogen; Samarium; Solids; Temperature;
fLanguage
English
Journal_Title
Magnetics, IEEE Transactions on
Publisher
ieee
ISSN
0018-9464
Type
jour
DOI
10.1109/20.489701
Filename
489701
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