TY - JOUR
T1 - Magnetization surfaces in (M, H, Ṁ) space
AU - Street, R.
AU - McCormick, P. G.
AU - Folks, L.
AU - Newman, R.
N1 - Funding Information:
The work was supportedb y the Australian Research Committeea nd the Research Centre for Ad-vancedM aterialsa nd Minerals Processinga t The Uni-versityo f WesternA ustralia.
PY - 1992/2/2
Y1 - 1992/2/2
N2 - Thermal activation of magnetization processes leads to time dependence of intensity of magnetization, M. The description of the equation of state of a magnetized material thus requires the specification of the time rate of change of magnetization, Ṁ, in addition to M and the magnetic field, H. The magnetic state can be derived from a constitutive equation, the solutions of which are represented by surfaces in three-dimensional (M, H, Ṁ) space. Magnetization behaviour, subject to such conditions as constant H, constant Ḣ and constant Ṁ, is given by trajectories on the (M, H, Ṁ) surfaces. A computer generated (M, H, Ṁ) surface derived from experimental data on sintered Pr15Fe77B8 has been calculated. The variations of M vs. H under conditions of constant Ṁ and of constant Ḣ are derived from trajectories on this surface and they are compared with direct experimental data.
AB - Thermal activation of magnetization processes leads to time dependence of intensity of magnetization, M. The description of the equation of state of a magnetized material thus requires the specification of the time rate of change of magnetization, Ṁ, in addition to M and the magnetic field, H. The magnetic state can be derived from a constitutive equation, the solutions of which are represented by surfaces in three-dimensional (M, H, Ṁ) space. Magnetization behaviour, subject to such conditions as constant H, constant Ḣ and constant Ṁ, is given by trajectories on the (M, H, Ṁ) surfaces. A computer generated (M, H, Ṁ) surface derived from experimental data on sintered Pr15Fe77B8 has been calculated. The variations of M vs. H under conditions of constant Ṁ and of constant Ḣ are derived from trajectories on this surface and they are compared with direct experimental data.
UR - http://www.scopus.com/inward/record.url?scp=0027107439&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0027107439&partnerID=8YFLogxK
U2 - 10.1016/0304-8853(92)90838-F
DO - 10.1016/0304-8853(92)90838-F
M3 - Article
AN - SCOPUS:0027107439
SN - 0304-8853
VL - 104-107
SP - 371
EP - 372
JO - Journal of Magnetism and Magnetic Materials
JF - Journal of Magnetism and Magnetic Materials
IS - PART 1
ER -