Magnetization surfaces in (M, H, M) space

R. Street, Paul Mccormick, L. Folks, R. Newman

    Research output: Contribution to journalArticle

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    Abstract

    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, M, 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, M) space. Magnetization behaviour, subject to such conditions as constant H, constant H and constant M, is given by trajectories on the (M, H, M) surfaces. A computer generated (M, H, M) surface derived from experimental data on sintered Pr15Fe77B8 has been calculated. The variations of M vs. H under conditions of constant M and of constant H are derived from trajectories on this surface and they are compared with direct experimental data.
    Original languageEnglish
    Pages (from-to)371-372
    JournalJournal of Magnetism and Magnetic Materials
    Volume104
    DOIs
    Publication statusPublished - 1992

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    Magnetization
    magnetization
    Trajectories
    trajectories
    Constitutive equations
    Equations of state
    constitutive equations
    Chemical activation
    time dependence
    Magnetic fields
    specifications
    Specifications
    equations of state
    activation
    magnetic fields

    Cite this

    Street, R. ; Mccormick, Paul ; Folks, L. ; Newman, R. / Magnetization surfaces in (M, H, M) space. In: Journal of Magnetism and Magnetic Materials. 1992 ; Vol. 104. pp. 371-372.
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    abstract = "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, M, 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, M) space. Magnetization behaviour, subject to such conditions as constant H, constant H and constant M, is given by trajectories on the (M, H, M) surfaces. A computer generated (M, H, M) surface derived from experimental data on sintered Pr15Fe77B8 has been calculated. The variations of M vs. H under conditions of constant M and of constant H are derived from trajectories on this surface and they are compared with direct experimental data.",
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    Magnetization surfaces in (M, H, M) space. / Street, R.; Mccormick, Paul; Folks, L.; Newman, R.

    In: Journal of Magnetism and Magnetic Materials, Vol. 104, 1992, p. 371-372.

    Research output: Contribution to journalArticle

    TY - JOUR

    T1 - Magnetization surfaces in (M, H, M) space

    AU - Street, R.

    AU - Mccormick, Paul

    AU - Folks, L.

    AU - Newman, R.

    PY - 1992

    Y1 - 1992

    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, M, 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, M) space. Magnetization behaviour, subject to such conditions as constant H, constant H and constant M, is given by trajectories on the (M, H, M) surfaces. A computer generated (M, H, M) surface derived from experimental data on sintered Pr15Fe77B8 has been calculated. The variations of M vs. H under conditions of constant M and of constant H 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, M, 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, M) space. Magnetization behaviour, subject to such conditions as constant H, constant H and constant M, is given by trajectories on the (M, H, M) surfaces. A computer generated (M, H, M) surface derived from experimental data on sintered Pr15Fe77B8 has been calculated. The variations of M vs. H under conditions of constant M and of constant H are derived from trajectories on this surface and they are compared with direct experimental data.

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