The Use of Skin Effect for Measurement of Thickness of Sputtered Protective-Coatings | Zendy

Jose Timmerberg | Zendy; Andris Martinovs | Zendy

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The Use of Skin Effect for Measurement of Thickness of Sputtered Protective-Coatings

Author(s) -

Jose Timmerberg,

Andris Martinovs

Publication year - 2014

Publication title -

transport and aerospace engineering

Language(s) - English

Resource type - Journals

eISSN - 2255-9876

pISSN - 2255-968X

DOI - 10.7250/tae.2014.007

Subject(s) - reactance , coating , skin effect , materials science , electrical impedance , composite material , electrical conductor , current density , intensity (physics) , voltage , electrical engineering , optics , engineering , physics , quantum mechanics

This paper deals with the development of a mathematical model that describes the skin effect in cylindrical conductors with protective coating. The model allows calculating the distribution of current density and magnetic field intensity, as well as determining electrical impedance, resistance, reactance and current in separate layers. It is established that electrical impedance at constant frequencies decreases linearly, if thickness of a protective coating grows. This fact can be used for electrical measurement of thickness of a protective coating.

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