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Non-oriented steels are cheaper than grain-oriented steels because of the simpler manufacturing process. It should be mentioned that other materials such as high silicon alloys, iron-based amorphous material, and nanocrystalline alloys are used in some applications at power frequencies. They are not dealt with here but more detail can be found in Ref 4. 65 mm. Its magnetic properties are almost isotropic, that is almost independent of magnetizing direction in the plane of the sheet. Although non-oriented steels are usually discussed as if they were completely isotropic they all show varying degrees of anisotropy depending on the processing and composition.

Mag. , 112: 135–138, 1992. 13. A. J. Moses Effect of stresses on magnetic properties of siliconiron laminations. J. Mat. , 9: 217–222, 1974. 14. A. J. Moses P. S. Phillips Some effect of stress in Goss-oriented silicon iron, IEEE Trans. , 14: 353–355, 1978. 15. D. A. Ball H. O. Lorch An improved thermometric method of measuring local power dissipation, J. Sci. , 42: 90–93, 1965. 16. J. J. Dalton J. Liu A. J. Moses D. H. Horrocks A. Basak A virtual instrumentation based magnetic test system. Studies in Applied Electromagnetics and Mechanics, 10: 792–795, 1996.

C. 404-2 Methods of measurement of magnetic, electrical and physical properties of magnetic sheet and strip, 1978. 10. F. Fiorillo A. Novikov An improved approach to power losses in magnetic laminations under non-sinusoidal induction waveform; IEEE Trans. , 26: 2904–2910, 1990. 11. A. J. Moses Importance of rotational losses in rotating machines and transformers, J. Mat. Eng. Performance, 1 (2): 236–244, 1992. 12. Y. Alinejad-Beromi A. J. Moses T. Meydan New aspects of rotating field and flux measurement in electrical steel, J.

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33.Magnetics by John G. Webster (Editor)


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