THE SOURCE OF FREE IRON IN ZINC-BONDED PERMANENT-MAGNETS BASED ON SM2FE17NX

Authors
REINSCH B STADELMAIER HH PETZOW G
Citation
B. Reinsch et al., THE SOURCE OF FREE IRON IN ZINC-BONDED PERMANENT-MAGNETS BASED ON SM2FE17NX, IEEE transactions on magnetics, 29(6), 1993, pp. 2830-2832
Citations number
14
Categorie Soggetti
Engineering, Eletrical & Electronic","Physics, Applied
Journal title
IEEE transactions on magnetics → ACNP
ISSN journal
00189464
Volume
29
Issue
6
Year of publication
1993
Part
1
Pages
2830 - 2832
Database
ISI
SICI code
0018-9464(1993)29:6<2830:TSOFII>2.0.ZU;2-H
Abstract
The principal Phase resulting from the reaction of Sm2Fe17 with zinc i s a solution of Sm in GAMMA-Fe-Zn. At the maximum Sm content this cubi c phase with a - 0.8984 nm has an approximate composition of (at.%) 5 Sm, 42 Fe, 53 Zn and has no permanent magnetic moment between 4.2 and 600 K. The phase equilibria of the low-Sm alloys in Sm-Fe-Zn show that isostructural Sm2Fe17 and Sm2Zn17 are not miscible and that. because of the pervasiveness of equilibria with alpha-Fe. it will be difficult to eliminate alpha-Fe completely from Zn-bonded magnets.