DISTRIBUTION OF Al IN Nd-Fe-Al-B PERMANENT MAGNETS

Hauet, Alexandre; Lemarchand, D.; Labulle, B.; Teillet, J.; Vigier, Philippe

doi:10.1051/jphyscol:19888277

Cited by 3 publications

(1 citation statement)

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“…The substitution of copper for iron in Y 2 Fe 14−x Cu x B has only a small influence on the 57 Fe hyperfine fields for x 1.4 (Bara et al 1992). The presence of local environment effects as well as a decrease of the hyperfine fields were observed in Nd 2 Fe 14−x Al x B, when iron was replaced by aluminium (Hauet et al 1988b). The asymmetric line broadening is typical for a hyperfine field distribution.…”

Section: D Magnetismmentioning

confidence: 92%

Permanent magnets based on R-Fe-B and R-Fe-C alloys

Burzo

1998

Rep. Prog. Phys.

210

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A review is given on the basic properties of 2:14:1 hard magnetic phases as well as technological procedures used for manufacturing R-Fe-B and R-Fe-C permanent magnets. First, we analyse the phase diagrams, crystal structure of hard magnetic phases and composition ranges in which these phases form solid solutions, as a result of various types of substitution. Then, the magnetic properties of R 2 Fe 14 B-, R 2 Fe 14 C-and R 2 Co 14 Bbased compounds are described. The routes used for manufacturing R-Fe-B and R-Fe-C permanent magnets are detailed. The magnets' microstructure as well as their coercivities are described in correlation with composition and manufacturing routes. The properties of nanostructure magnets are then presented. Finally, the stability of Nd-Fe-B and Nd-Fe-C magnets in various working conditions is analysed.

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Section: D Magnetismmentioning

confidence: 92%