CHARACTERIZATION OF THE ND-FE-AL MU-PHASE IN THE MICROSTRUCTURE OF ANALUMINUM-SUBSTITUTED AND VANADIUM-SUBSTITUTED ND-FE-B MAGNET

Authors
LEGRAS L DELAMARE J LEMARCHAND D DINH JV VIGIER P
Citation
L. Legras et al., CHARACTERIZATION OF THE ND-FE-AL MU-PHASE IN THE MICROSTRUCTURE OF ANALUMINUM-SUBSTITUTED AND VANADIUM-SUBSTITUTED ND-FE-B MAGNET, Journal of alloys and compounds, 218(1), 1995, pp. 17-21
Citations number
16
Categorie Soggetti
Chemistry Physical","Metallurgy & Metallurigical Engineering","Material Science
Journal title
Journal of alloys and compounds → ACNP
ISSN journal
09258388
Volume
218
Issue
1
Year of publication
1995
Pages
17 - 21
Database
ISI
SICI code
0925-8388(1995)218:1<17:COTNMI>2.0.ZU;2-B
Abstract
The microstructure of a commercial Nd-Fe-B-based magnet containing alu minium and vanadium is investigated by transmission electron microscop y. Two kinds of mu (Nd-Fe-Al) precipitates are identified: thin platel ets along Phi-phase grain boundaries, and thicker lamellae inside the triple junction Nd-rich phase. The morphology of the mu phase and its solidification mechanism are shown to be similar in the magnet and in ternary Nd-Fe-Al alloys. However, a structural modification of the mu phase takes place in the magnet in comparison with the ternary alloys.