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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 10 — Apr. 1, 2011
  • pp: 1323–1328

Two-dimensional quantification of the corrosion process in metal surfaces using digital speckle pattern interferometry

N. Andrés, J. Lobera, M. P. Arroyo, and L. A. Angurel  »View Author Affiliations


Applied Optics, Vol. 50, Issue 10, pp. 1323-1328 (2011)
http://dx.doi.org/10.1364/AO.50.001323


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Abstract

The applicability of digital speckle pattern interferometry (DSPI) to the analysis of surface corrosion processes has been evaluated by studying the evolution of an Fe surface immersed in sulfuric acid. This work describes the analysis process required to obtain quantitative information about the corrosion process. It has been possible to evaluate the corrosion rate, and the results agree with those derived from the weight loss method. In addition, a two-dimensional analysis has been applied, showing that DSPI measurements can be used to extract information about the corrosion rate at any region of the surface.

© 2011 Optical Society of America

OCIS Codes
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(120.6660) Instrumentation, measurement, and metrology : Surface measurements, roughness
(120.6165) Instrumentation, measurement, and metrology : Speckle interferometry, metrology

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: November 5, 2010
Revised Manuscript: January 25, 2011
Manuscript Accepted: January 25, 2011
Published: March 24, 2011

Citation
N. Andrés, J. Lobera, M. P. Arroyo, and L. A. Angurel, "Two-dimensional quantification of the corrosion process in metal surfaces using digital speckle pattern interferometry," Appl. Opt. 50, 1323-1328 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-10-1323

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