Influence of Different Precursors on the Nitrogenation Temperature of Sm2Fe17

Li Xin Zhao; Guo Ying Meng

doi:10.4028/www.scientific.net/AMR.680.105

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 680Influence of Different Precursors on the...

Influence of Different Precursors on the Nitrogenation Temperature of Sm₂Fe₁₇

Abstract:

Influence of nanoflakes and melt-spun ribbons on the nitrogenation temperature f Sm₂Fe₁₇ was investigated. The microstructure, phase structure, properties of the specimens before and after nitrogenation have been discussed. It is interesting found that hard magnetic Sm₂Fe₁₇N₃ flakes have been synthesized by surfactant-assisted high energy ball milling and nitriding Sm2Fe17 in 3 psi of N2 gas at lower temperature 300 °C and 350 °C for 3 h. The synthesized Sm₂Fe₁₇N₃ flakes still retained nanostructure and obtained a coercivity of 3.56 kOe. For the melt-spun ribbons, it needs a higher nitrogenation temperature and longer time to obtain the same coercivity values as the nanoflakes.

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Periodical:

Advanced Materials Research (Volume 680)

Pages:

105-108

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.680.105

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Online since:

April 2013

Authors:

Li Xin Zhao, Guo Ying Meng

Keywords:

Melt-Spun, Nanostructure, Nitrogenation, Surfactant-Assisted High Energy Ball Milling

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