IEVref: 221-03-32 ID: Language: en Status: Standard Term: Rayleigh region Synonym1: Synonym2: Synonym3: Symbol: Definition: in a graphic representation of the relation between the magnetic flux density and the magnetic field strength relation in a material, a region near the origin within which the flux density can be described by a quadratic function of the field strength: $\frac{B}{{\mu }_{0}}=\left({\mu }_{\text{i}}+v\text{\hspace{0.17em}}\stackrel{^}{H}\right)H±\frac{v}{2}\left({\stackrel{^}{H}}^{2}-{H}^{2}\right)$ where B is the magnetic flux density µ0 is the magnetic constant µi is the initial permeability H is the magnetic field strength $\stackrel{^}{H}$ is the peak value of H and v is the Rayleigh hysteresis coefficient Publication date: 1990-10 Source: Replaces: Internal notes: 2017-06-02: Cleanup - Remove Attached Image 221-03-321.gif 2017-06-02: Cleanup - Remove Attached Image 221-03-322.gif CO remarks: TC/SC remarks: VT remarks: Domain1: Domain2: Domain3: Domain4: Domain5: