Relative magnetic permeability material

The quantity (1 + /) is called the relative magnetic permeability (also dimensionless), which is also a material property. 

Data for some homogeneous metallic materials are given in Table 5.7. Aluminum and steel are the commonly used metallic fillers, and of these, steel provides the most effective EMI-shielding because of its high relative magnetic permeability. 

By contrast, if the solenoid has a core made of a soft magnetic material such as a rod of pure iron (e.g., Armco iron) with a relative magnetic permeability of = 1000, the magnetic induction will be greatly improved as follows ... 

For magnetic materials having magnetic losses, the relative magnetic permeability can be written as a complex physical quantity as follows ... 

Therefore, the interdependence between the two dimensionless quantities, i.e., the relative magnetic permeability (p. ) and the magnetic susceptibility ( j of the material, is clearly apparent ... 

Non-magnetic materials were measured (relative magnetic permeability ju = 1.0) in the current research. In the future it will be reasonable to study also magnetic aspects of such measurements. 

The tendency of the magnetic lines of force to pass through a medium relative to their tendency to pass through a vacuum is the magnetic permeability, p. This is one of the parameters that distinguishes a diamagnetic material from a paramagnetic substance. Permeability is defined as. 

An important property of soft magnetic materials is the initial permeability. Its dependence on microstructure can be understood in terms of the Globus model. A calculation of the (relative) initial permeability (Globus, Duplex Guyot, 1971) leads to the following expression ... 

In this case, the relevant skin effect would occur at higher frequencies due to the electrical conductivities and dimensions of the different elements used in the SPS system, because skin depth is given by <5 = 1 / /fnmagnetic permeability, and a is electrical conductivity. Therefore, under the operation with the 8/2 current pulse pattern, the electrical current would not be confined within a thin layer of the external surfaces due to the electromagnetic induction, but instead, it is distributed along the cross-sectional areas, according to the relative electrical conductances in series or parallel combination. This allows the model to consider just ohmic behavior of the materials, so that all the assumptions for the modeling are justified and that the current density simulated with the conservation equations would have weU represented the real scenario of the experiments. 

Relative permeability The magnetic permeability of a material divided by the magnetic permeabUity of... 

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