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Grain boundary wetting in the NdFeB-based hard magnetic alloys

Straumal, B. ; Kucheev, Yu. ; Yatskovskaya, I. ; Mogilnikova, I. ; Schütz, G. ; Nekrasov, A. ; Baretzky, B.

Journal of Materials Science, 2012, Vol.47(24), pp.8352-8359 [Tạp chí có phản biện]

ISSN: 0022-2461 ; E-ISSN: 1573-4803 ; DOI: 10.1007/s10853-012-6618-5

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  • Nhan đề:
    Grain boundary wetting in the NdFeB-based hard magnetic alloys
  • Tác giả: Straumal, B. ; Kucheev, Yu. ; Yatskovskaya, I. ; Mogilnikova, I. ; Schütz, G. ; Nekrasov, A. ; Baretzky, B.
  • Chủ đề: Magnetic Alloys -- Comparative Analysis ; Annealing -- Comparative Analysis ; Specialty Metals Industry -- Comparative Analysis
  • Là 1 phần của: Journal of Materials Science, 2012, Vol.47(24), pp.8352-8359
  • Mô tả: Since the end of 1980s, NdFeB-based hard magnetic alloys have been the materials with the highest available magnetic performance. NdFeB-based magnets are produced either by liquid-phase sintering or by melt spinning. In the present investigation, NdFeB alloys quenched after annealing in the semi-liquid state are used to study the wetting of Nd 2 Fe 14 B grain boundaries by a Nd-rich liquid phase. It is shown that a transition from partial wetting to complete wetting occurs with increasing temperature. The results are compared with the data in the literature for NdFeB-based alloys processed by liquid-phase sintering. The relation between wetting properties and magnetic performance of these alloys is also discussed.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0022-2461 ; E-ISSN: 1573-4803 ; DOI: 10.1007/s10853-012-6618-5

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