coercivity

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The quality of being coercive
The intensity the magnetic field which must be applied in order to reduce the magnetization of a ferromagnetic material to zero after the magnetization of the sample has been driven to saturation
The magnetic field that must be applied in the "reverse" direction to reduce the magnetization to zero
The amount of power needed to magnetize or demagnetize a permanent magnet Measured in MegaGauss Oersted (mGO)
A measure of the strength of a magnetic field Fields are expressed as low or high by the terms LoCo and HiCo
– Ability of an element or compound to accept and hold magnetic charge
A technical term used to designate how strong a magnetic field must be to affect data encoded on a magnetic stripe Coercivity is measured in Oersteds (Oe) Coercivity is the measure of how difficult it is to encode information in a magnetic stripe
Value of the opposing magnetic intensity that must be applied to a material to remove the residual magnetism when it has been magnetized to saturation
The applied magnetic field necessary to reduce to zero the magnetic flux density of a magnetized ferromagnetic or ferrimagnetic material
A term for various demagnetizing fields measured in oersteds or ampere-turns per meter The intrinsic coercivity mHc is the demagnetizing field required for zero induction on a B-H plot, i e , the coercive force The Remanent coercivity rHc is the demagnetizing field required to produce zero remanence after its removal All three of the above coercivities are similar in magnitude
A function of the coervice force of a magnet material A material exhibiting low coercivity is easy to magnetize and/or demagnetize Conversely, a magnet exhibiting high coercivity is more difficult to magnetize and to demagnetize
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coercivity
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