Structure and Magnetic Properties of Melt-Spun Pr(Fe1-xCox)2 Alloys | Zendy

Tang Shaolong | Zendy; Cao Qing-Qi | Zendy; Wang Dun-Hui | Zendy; Jianrong Zhang | Zendy; ShiYuan Zhang | Zendy; Du You-Wei | Zendy

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Structure and Magnetic Properties of Melt-Spun Pr(Fe1-xCox)2 Alloys

Author(s) -

Tang Shaolong,

Cao Qing-Qi,

Wang Dun-Hui,

Jianrong Zhang,

ShiYuan Zhang,

Du You-Wei

Publication year - 1999

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.48.274

Subject(s) - materials science , coercivity , ribbon , melt spinning , laves phase , nanocrystalline material , magnetostriction , thermal stability , phase (matter) , amorphous solid , alloy , condensed matter physics , composite material , spinning , crystallography , intermetallic , magnetic field , nanotechnology , chemical engineering , physics , chemistry , quantum mechanics , engineering

Pr(Fe1-xCox)2 ribbons have been prepared by melt-spinning method. Their structure, magnetic properties and thermal stability are investigated. It is found that Pr(Fe,Co)2 cubic Laves phase can form only when x≥0.2 at wheel speed of 45m/s. For Pr(Fe0.6Co0.4)2 alloy, at wheel speed of 30m/s, the ribbon consistes of a mixture of Pr2(Fe,Co)17, Pr(Fe,Co)2 and rare earth-rich phase. Almost Pr(Fe0.6Co0.4)2 compound a small amount of amorphous phase is observed at wheel speed up to 45m/s. Pr(Fe0.6Co0.4)2 compound becomes unstable above 770℃. The resub-bonded Pr(Fe0.6Co0.4)2 nanocrystalline compound which is obtained at wheel speed of 40m/s combines high magnetostriction (λ∥-λ⊥=140×10-6), with significant magnetic coercivity, iHc=398kA/m.

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