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- W2077821132 endingPage "229" @default.
- W2077821132 startingPage "184" @default.
- W2077821132 abstract "The energy of a ferromagnetic substance comprises three parts, the exchange, anisotropy and magnetostatic (demagnetizing) energies. These all vary with the state of strain of the substance and so it will deform spontaneously if the deformation reduces the total energy (equal to the sum of the magnetic energy and the elastic energy). This phenomenon is known as magnetostriction and the three magnetic energies respectively give rise to the volume magnetostriction, the linear magnetostriction and the form effect. The greater part of this report is taken up with the linear magnetostriction since this is the effect most easily and often observed. The formal theory as developed by Becker and others is given in § 2. § 3 reviews the various attempts to calculate the magnetostriction constants in terms of interatomic forces. The fact that the linear magnetostriction can interact with stress to give rise to an additional anisotropy is discussed in § 6 together with some consequences of this fact. § 7 deals with the volume magnetostriction and related topics which arise from the variation of the exchange energy with interatomic distance. The form effect which arises incidentally in the analysis of volume magnetostriction is treated more fully in § 8. The only secondary effect of any importance, the ΔE effect, is discussed in § 9. The final section describes such topics as magnetic strain analysis and the magnetostriction of ferrites and antiferromagnetics." @default.
- W2077821132 created "2016-06-24" @default.
- W2077821132 creator A5045712277 @default.
- W2077821132 date "1955-01-01" @default.
- W2077821132 modified "2023-10-16" @default.
- W2077821132 title "Magnetostriction and Magnetomechanical Effects" @default.
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- W2077821132 doi "https://doi.org/10.1088/0034-4885/18/1/305" @default.