Abstract
Sm-Fe-N anisotropic magnets were produced from magnetically aligned green compact at room temperature in ambient atmosphere by the compression shearing method. X-ray diffraction studies revealed that the magnets retained their original Sm2Fe17N3 phase structure without any appreciable decomposition of the phase and that the phase had a pronounced crystallographic alignment. The magnetic properties of the Sm-Fe-N anisotropic magnets were dependent on the magnetic alignment of the Sm-Fe-N powder before implementation of the compression shearing method. A Sm-Fe-N anisotropic magnet with the magnetic alignment produced under an applied field of 1.6 MA/m exhibited a maximum energy product of 161 kJ/m3 with a high coercivity of 0.88 MA/m.
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