Measurement of Electromagnetic Parameters of Metal-Coating Thickness Measures |
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| Authors: | V A Syas’ko S S Golubev Ya G Smorodinskii A I Potapov P V Solomenchuk N I Smirnova |
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| Affiliation: | 1.St. Petersburg Mining University,St. Petersburg,Russia;2.Rosstandart,Moscow,Russia;3.Mikheev Institute of Metal Physics, Ural Branch,Russian Academy of Sciences,Yekaterinburg,Russia;4.Ural Federal University,Yekaterinburg,Russia;5.OOO Konstanta,St. Petersburg,Russia;6.Mendeleyev Institute for Metrology,St. Petersburg,Russia |
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| Abstract: | Thickness measures for electrically conductive coatings applied to electrically conductive bases are described, for which not only geometrical but also electrophysical parameters such as the specific electrical conductivity and complex relative permeability of the measure base and the specific electrical conductivity of the measure coating are prescribed. The procedure and a technique for measuring the specific electrical conductivity of the base of a measure using the van der Pauw method, the complex relative magnetic permeability of metal on ring-shaped samples using a permeameter, a technique for transferring the value of this parameter to the measure base of an arbitrary shape with a flat surface, and also the procedure and a method for measuring the specific electrical conductivity of the coating-measure material with the use of an eddy current probe with a wave-like drive winding are described. |
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