Evaluation of texture parameters in NdFeB magnets by means of X-Ray and magnetic measurements.

Autor: Walker, Thomas, Wirth, Steffen, Schläfer, Dietrich, Mattern, Norbert, Müller, Karl, Handstein, Axel
Zdroj: Microchimica Acta; Mar1997, Vol. 125 Issue 1-4, p355-360, 6p
Abstrakt: NdFeB samples of different texture degree were prepared by uniaxial pressing in a magnetic field of different strength. Afterwards, the texture formation was investigated by means of X-ray diffraction. Usually, a fibre texture with the basal plane (001) perpendicular to the applied magnetic field is expected from the used compaction process. However, by introducing a two-parameter Gauss-function describing the texture, deviations from the rotational symmetry of the texture are found. The texture parameters σ are compared with those obtained by a fit of demagnetization curves. Knowing the intrinsic magnetic properties of the investigated material, demagnetization curves in the first quadrant of the J-H-plane can be calculated on the basis of the texture parameters. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
Externí odkaz: