Factors affecting coercivity in rare-earth based advanced permanent magnet materials [electronic resource].

Published:: Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 1997.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:: 19 pages : digital, PDF file
Additional Creators:: Brookhaven National Laboratory, United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

The relationships that link microstructural properties of advanced permanent magnet materials with magnetic properties such as the coercivity are often difficult to quantify, especially in materials with nano-scale structures. Recent work on RE₂Fe₁₄B-based powders fabricated with rapid-solidification techniques such as inert gas atomization (IGA) and melt-spinning provide insight into the nanostructural features which affect the acquisition and stability of coercivity. In all cases the coercivity is found to be a function of both the scale of the constituent microstructure and of the presence and distribution of minor phases.

Report Numbers:

E 1.99:bnl--63508
E 1.99: conf-970201--5
conf-970201--5
bnl--63508

Subject(s):

Materials Science

Other Subject(s):

Note:

Published through SciTech Connect.
02/01/1997.
"bnl--63508"
" conf-970201--5"
"DE97001556"
126. annual meeting of the Minerals, Metals and Materials Society, Orlando, FL (United States), 9-13 Feb 1997.
Lewis, L.H.; Sellers, C.H.; Panchanathan, V.

Funding Information:

AC02-76CH00016
AC07-94ID13223

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