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Influence of geometric factors on the polarity of a remanent magnetization

The polarity, as well as the intensity of the remanent magnetization induced in a shaft by rotation in the field from a dipole source, is shown to depend on the ratio of shaft radius to the effective gap between the shaft and the dipole source. Moreover, while a real magnet is also shown to act as a...

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Published in:IEEE transactions on magnetics 2005-10, Vol.41 (10), p.2796-2798
Main Authors: Garshelis, I.J., Tollens, S.P.L.
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Language:English
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description The polarity, as well as the intensity of the remanent magnetization induced in a shaft by rotation in the field from a dipole source, is shown to depend on the ratio of shaft radius to the effective gap between the shaft and the dipole source. Moreover, while a real magnet is also shown to act as a single dipole source, its effective gap is greater than the physical gap by a factor dependent on the dimensions of the magnet. Experimental results support the analytic proof of the influence of these geometric factors.
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subjects Cross-disciplinary physics: materials science
rheology
Drag
Exact sciences and technology
Force measurement
Magnetic analysis
Magnetic anisotropy
Magnetic materials
Magnetic separation
Magnetism
Materials science
Other topics in materials science
Perpendicular magnetic anisotropy
Physics
Polarity
remanent magnetization
Saturation magnetization
Shafts
USA Councils
title Influence of geometric factors on the polarity of a remanent magnetization
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