Effect of cobalt on the oxidation resistance of Pr(Nd)–Dy–Fe–Co–B materials
- 作者: Kablov E.1, Ospennikova O.1, Rezchikova I.1, Valeev R.1, Piskorskii V.1, Sul’yanova E.1
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隶属关系:
- All-Russia Institute of Aviation Materials
- 期: 卷 2016, 编号 7 (2016)
- 页面: 625-629
- 栏目: Article
- URL: https://journals.rcsi.science/0036-0295/article/view/170662
- DOI: https://doi.org/10.1134/S0036029516070089
- ID: 170662
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详细
The effect of cobalt on the oxidation resistance of (Nd0.85Dy0.15)16.4(Fe0.89Co0.11)74.4Ti1.3B7.9 and (Pr0.56Dy0.39Sm0.05)14.5(Fe0.75Co0.25)78.8B6.7 alloys has been studied. The storage of magnet blanks made from these alloy in air for 200 h does not affect the magnetic properties of the sintered magnets owing to the presence of the phases (Pr, Dy)(Fe, Co)2, (Pr, Dy)(Fe, Co)2B2, (Pr, Dy)(Fe, Co)4B, (Pr, Dy)(Fe, Co)3B2, and (Pr, Dy)(Fe, Co)3, which are resistant to oxidation and ensure liquid-phase sintering of magnets. After 200-h exposure to air, oxidation of the blanks takes place, the rate of which decreases by more than two times at the expense of an increase in the cobalt content in the alloy.
作者简介
E. Kablov
All-Russia Institute of Aviation Materials
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O. Ospennikova
All-Russia Institute of Aviation Materials
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俄罗斯联邦, ul. Radio 17, Moscow, 105005
I. Rezchikova
All-Russia Institute of Aviation Materials
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俄罗斯联邦, ul. Radio 17, Moscow, 105005
R. Valeev
All-Russia Institute of Aviation Materials
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俄罗斯联邦, ul. Radio 17, Moscow, 105005
V. Piskorskii
All-Russia Institute of Aviation Materials
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俄罗斯联邦, ul. Radio 17, Moscow, 105005
E. Sul’yanova
All-Russia Institute of Aviation Materials
Email: admin@viam.ru
俄罗斯联邦, ul. Radio 17, Moscow, 105005