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Magnetics
The branch of materials science that studies magnetism and its applications.
Industry: Materials science
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Magnetics
Pull force
Materials science; Magnetics
The force required to pull a magnet free from a flat steel plate using force perpendicular to the surface. The limit of the holding power of a magnet. The pull force listed is actual data acquired ...
Relative permeability
Materials science; Magnetics
The ratio of permeability of a medium to that of a vacuum. In the C.G.S. system, the permeability is equal to 1 in a vacuum by definition. The permeability of air is also for all practical purposes ...
Reluctance
Materials science; Magnetics
A measure of the relative resistance of a material to the passage of flux. It is calculated by dividing magnetomotive force by magnetic flux. Reluctance is the reciprocal of permeance.
Pole pieces
Materials science; Magnetics
Steel plates attached to the north and south poles of a magnet which direct the lines of flux and can control the gradient of the magnetic field.
Pull test
Materials science; Magnetics
A test of holding value or breakaway force and reachout, usually conducted with a flat ferrous plate or ferrous sphere and a spring scale.
Remanence
Materials science; Magnetics
The magnetic induction that remains in a magnetic circuit after the removal of an applied magnetising force. Remanence has the symbol (B d ).
Reach out
Materials science; Magnetics
The distance in which a magnetic field will extend from the magnet source.
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