Remanence enhancement in nanostructured melt spun Sm(Fe/sub 0.209/Cu/sub 0.061/Zr/sub 0.025/Co/sub 0.704/)/sub 7.61/
作者： M.W. Crabbe , H.A. Davies , R.A. Buckley
DOI: 10.1109/20.312380
关键词: Coercivity 、 Materials science 、 Analytical chemistry 、 Saturation (magnetic) 、 Magnetic alloy 、 Ferromagnetism 、 Melt spinning 、 Microstructure 、 Remanence 、 Grain size
摘要: Ribbons of an industrial, high coercivity grade Sm/sub 2/Co/sub 17/ alloy have been produced by melt spinning at very substrate velocities. X-ray diffraction has shown the resultant material to be single phase and nanostructured, with grain sizes ranging below 30 nm. The remanence, J/sub r/, is consequently enhanced due ferromagnetic exchange coupling, values up 0.75 T being observed. This corresponds r//J/sub s/ (where saturation polarisation) 0.7. Although intrinsic only moderate (up 500 kA/m), it still sufficiently give maximum energy product 70 kJ/m/sup 3/. >
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