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High performance isotropic permanent magnet based on Nd-Fe-B (1987)

McCallum, R. W. ; Kadin, A. M. ; Clemente, G. B. ; [et al.]

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

Journal of Applied Physics 61 (1987), S. 3577-3579

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Details

ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: We have fabricated a macroscopically isotropic permanent magnet material (Ovonic Hi-RemTM) which significantly exceeds conventionally understood performance limits for a material with saturation magnetization Ms =16 kG. Enhanced magnetic properties, including a remanent magnetization Mr =9–10 kG or more, and a maximum energy product in excess of 20 MGOe, are observed without preferred orientation. This material has been fabricated by rapid solidification of an alloy structurally and compositionally similar to Nd2Fe14B, but which depends on critical alloying additions and process parameters to obtain optimum magnetic performance.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.338706

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