Zinc coating layer thickness on steel wires

Ajay Siddoju; Norbert Meyendorf; Marco Haupert; Patrick David

doi:10.1117/12.483992

22 July 2003 Zinc coating layer thickness on steel wires

Ajay Siddoju, Norbert Meyendorf, Marco Haupert, Patrick David

Proceedings Volume 5045, Testing, Reliability, and Application of Micro- and Nano-Material Systems; (2003) https://doi.org/10.1117/12.483992
Event: NDE for Health Monitoring and Diagnostics, 2003, San Diego, California, United States

Abstract

Barkhausen noise measurements were used to determine the thickness of several micrometer thick zinc coatings on steel wires. Barkhausen noise is a broadband frequency signal ranging from several KHz to MHz. By comparing the attenuation of the noise through the zinc layer for different frequencies, it is possible to determine the thickness of the Zn coatings. An advantage of the method is that the attenuation of the signal can be calculated if the conductivity of the coating layer is known. Therefore, no calibration procedures are required.

Citation Download Citation

Ajay Siddoju, Norbert Meyendorf, Marco Haupert, and Patrick David "Zinc coating layer thickness on steel wires", Proc. SPIE 5045, Testing, Reliability, and Application of Micro- and Nano-Material Systems, (22 July 2003); https://doi.org/10.1117/12.483992

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