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Didymium-Fe-B sintered permanent magnets (1985)

Okada, M. ; Sugimoto, S. ; Ishizaka, C. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 57 (1985), S. 4146-4148

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Present works describe the developments the low cost R-Fe-B sintered permanent magnets. Three different didymiums are chosen for the low cost mixtures of rare-earth elements. The studied alloy compositions are Fe-(32.5–34.5)wt. %R-(1–1.6)wt. %B, where R elements are didymium (Nd-10wt. %Pr), 5Ce-didymium (Nd-15%Pr-5%Ce), and 40 Ce-didymium (Nd-10%Pr-40%Ce). The specimens were prepared by the conventional powder metallurgical techniques. The best magnetic properties obtained in this studies are Br=13.2 kG, iHc=10.2 kOe, and (BH)max=40 MGOe with the Fe-33.5% (5Ce-didymium)-1%B alloy. Temperature dependence of iHc of this alloy is almost comparable to that of the Nd-Fe-B alloys.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.334647

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