Limitation of the Allowed Coercive Force Caused by the Scattering Field of Magnet

N. S. Moiseeva; I. I. Rezchikova; D. V. Korolev; R. B. Morgunov; V. P. Piskorskii

doi:10.1134/S1063784219070168

Limitation of the Allowed Coercive Force Caused by the Scattering Field of Magnet

Autores: Moiseeva N.¹, Rezchikova I.¹, Korolev D.¹, Morgunov R.², Piskorskii V.¹
Afiliações:
1. All-Russia Institute of Aviation Materials
2. Institute of Problems of Chemical Physics, Russian Academy of Sciences
Edição: Volume 64, Nº 7 (2019)
Páginas: 994-997
Seção: Solid State
URL: https://journals.rcsi.science/1063-7842/article/view/203784
DOI: https://doi.org/10.1134/S1063784219070168
ID: 203784

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It is shown that the shape of a sample determines the allowed lower-bound limit of the coercive force of material that can be used for fabrication of magnets with the given shape. Rings with radial magnetization are used as examples to show that such samples can be made of only rare-earth alloys with the coercive force that is sufficiently high to satisfy technical requirements at the maximum allowed working temperature of the magnet.