Title :
Temperature dependence of magnetic hysteresis in melt-spun and sintered Nd-Fe-B magnets
Author :
Hadjipanayis, G.C. ; Kim, A.
Author_Institution :
Kansas State University, Manhatten, KS
fDate :
9/1/1987 12:00:00 AM
Abstract :
The hard magnetic properties of melt-spun and sintered Nd-Fe-B with small substitutions of Al and Dy have been investigated in the temperature range of 4.2-600 K. High temperature magnetic measurements do not show any clear evidence of a secondary pinning phase with a curie temperature at around 150°C. Low temperature measurements show a shoulder in the demagnetization curve below the spin reorientation temperature which is largest for the isotropic melt-spun samples.
Keywords :
Hysteresis (magnetics); Magnetic thermal factors; Permanent magnets; Amorphous magnetic materials; Coercive force; Magnetic anisotropy; Magnetic field measurement; Magnetic hysteresis; Perpendicular magnetic anisotropy; Superconducting magnets; Temperature dependence; Temperature distribution; Temperature measurement;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.1987.1065347
