Increase in the Boron Content in Pr–Dy–Fe–Co–B Materials by Solid-Phase Alloying
- 作者: Rezchikova I.1, Korolev D.1, Valeev R.1, Morgunov R.2, Piskorskii V.1
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隶属关系:
- All-Russia Research Institute of Aviation Materials
- Institute of Problems of Chemical Physics, Russian Academy of Sciences
- 期: 卷 2019, 编号 7 (2019)
- 页面: 727-732
- 栏目: Article
- URL: https://journals.rcsi.science/0036-0295/article/view/173371
- DOI: https://doi.org/10.1134/S0036029519070127
- ID: 173371
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Abstract—Changes in the magnetic properties of the sintered (Pr0.76Dy0.24)12.9(Fe0.53Co0.47)81.5B5.6 material, which are caused by solid-phase alloying with the (Pr0.63Dy0.37)(Fe0.31Co0.69)2B2 alloy are studied. The dependences of the phase composition and the coercive force of the sintered material on the amount of the added alloy is obtained. As the boron content in the sintered material increases, the content of the main magnetic (Pr, Dy)2(Fe, Co)14B phase decreases from 89.2 to 51.4 vol % and the content of the (Pr, Dy)(Fe, Co)3 phase increases from 7.1 to 43.9 vol %. It was found that, in the course of 190-h storage of sintered magnets in air, their coercive force and density are first unchanged and subsequently decrease; the coercive force decreases to zero.
作者简介
I. Rezchikova
All-Russia Research Institute of Aviation Materials
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俄罗斯联邦, Moscow
D. Korolev
All-Russia Research Institute of Aviation Materials
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俄罗斯联邦, Moscow
R. Valeev
All-Russia Research Institute of Aviation Materials
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俄罗斯联邦, Moscow
R. Morgunov
Institute of Problems of Chemical Physics, Russian Academy of Sciences
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俄罗斯联邦, Chernogolovka, Moscow oblast
V. Piskorskii
All-Russia Research Institute of Aviation Materials
Email: admin@viam.ru
俄罗斯联邦, Moscow
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