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Proceedings Paper

Digital speckle correlation for nondestructive testing of corrosion
Author(s): Raul Dias Paiva Jr.; Diogo Soga; Mikiya Muramatsu; Elsa N. Hogert; Monica R. Landau; Maria Fernanda Ruiz Gale; Nestor G. Gaggioli
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Paper Abstract

This paper describes the use of optical correlation speckle patterns to detect and analyze the metallic corrosion phenomena, and shows the experimental set-up used. We present some new results in the characterization of the corrosion process using a model based in electroerosion phenomena. We also provide valuable information about surface microrelief changes, which is also useful in numerous engineering applications. The results obtained are good enough for showing that our technique is very useful for giving new possibilities to the analysis of the corrosion and oxidation process, particularly in real time.

Paper Details

Date Published: 6 July 1999
PDF: 5 pages
Proc. SPIE 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, (6 July 1999); doi: 10.1117/12.358393
Show Author Affiliations
Raul Dias Paiva Jr., Univ. de Sao Paulo (Brazil)
Diogo Soga, Univ. de Sao Paulo (Brazil)
Mikiya Muramatsu, Univ. de Sao Paulo (Brazil)
Elsa N. Hogert, Comision Nacional de Energia Atomica (Argentina)
Monica R. Landau, Comision Nacional de Energia Atomica (Argentina)
Maria Fernanda Ruiz Gale, Comision Nacional de Energia Atomica (Argentina)
Nestor G. Gaggioli, Comision Nacional de Energia Atomica (Argentina)


Published in SPIE Proceedings Vol. 3572:
3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications
Angela Maria Guzman, Editor(s)

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