Nondestructive evaluation of protective coatings for the conservation of industrial monuments

Hubert Welp; Marcel Lenz; Cristian Mazzon; Christopher Dillmann; Nils C. Gerhardt; Michael Prange; Martin R. Hofmann

doi:10.1117/12.2270170

11 July 2017 Nondestructive evaluation of protective coatings for the conservation of industrial monuments

Hubert Welp, Marcel Lenz, Cristian Mazzon, Christopher Dillmann, Nils C. Gerhardt, Michael Prange, Martin R. Hofmann

Proceedings Volume 10331, Optics for Arts, Architecture, and Archaeology VI; 1033109 (2017) https://doi.org/10.1117/12.2270170
Event: SPIE Optical Metrology, 2017, Munich, Germany

Abstract

For the conservation of cultural monuments standard anti-corrosion coatings are not applicable because the historical character of the objects would be lost. Alternative transparent coatings have to be evaluated and monitored nondestructively with respect to their effectiveness in protecting metal surfaces. We demonstrate that Optical Coherence Tomography (OCT) can be an alternative to the currently used method of Electrochemical Impedance Spectroscopy (EIS) for the characterization of coating defects and corrosion processes.

Citation Download Citation

Hubert Welp, Marcel Lenz, Cristian Mazzon, Christopher Dillmann, Nils C. Gerhardt, Michael Prange, and Martin R. Hofmann "Nondestructive evaluation of protective coatings for the conservation of industrial monuments", Proc. SPIE 10331, Optics for Arts, Architecture, and Archaeology VI, 1033109 (11 July 2017); https://doi.org/10.1117/12.2270170

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