Title :
The effect of carbon on magnetostrictive properties of the Tb0.3Dy0.7Fe2 alloy
Author :
Chen, F.M. ; Fang, J.S. ; Chin, T.S.
Author_Institution :
Dept. of Mater. Sci. & Eng., Tsinghua Univ., Beijing, China
fDate :
9/1/1996 12:00:00 AM
Abstract :
The effect of carbon on magnetostrictive properties and microstructure of the quarternary Tb0.3Dy0.7Fe2Cx alloys prepared by arc-melting and homogenization have been investigated. Magnetic properties, X-ray diffraction and magnetostriction studies were carried out. With increasing x, saturation magnetization decreases substantially, but the magnetostriction measured at a field of 2T(λ2T) increases slightly with x<0.1 (0.43 wt.%). By further increasing x, λ2T decreases rapidly, and a second phase, (Dy,Tb)Fe3C with Curie temperature 340°C, appears, and it becomes the dominant phase at x⩾0.2
Keywords :
Curie temperature; X-ray diffraction; crystal microstructure; dysprosium alloys; ferromagnetic materials; iron alloys; magnetic anisotropy; magnetisation; magnetostriction; terbium alloys; 340 C; Curie temperature; Tb0.3Dy0.7Fe2; Tb0.3Dy0.7Fe2C; X-ray diffraction; arc-melting; homogenization; magnetic properties; magnetostriction; magnetostrictive properties; quarternary Tb0.3Dy0.7Fe2Cx alloys; saturation magnetization; Cobalt alloys; Copper alloys; Electrons; Iron alloys; Magnetic anisotropy; Magnetic field induced strain; Magnetic properties; Magnetostriction; Perpendicular magnetic anisotropy; X-ray diffraction;
Journal_Title :
Magnetics, IEEE Transactions on
