An electromagnetic sensor was assessed as a possible instrument for nondestructive detection and monitoring of corrosion in structural carbon steels. In this study, the magnetic response of three structural carbon steel rods (AISI 1018, AISI 1045, and AISI 1045-High Mn), was evaluated in the as-received (uncorroded) and corroded conditions. Initially, the material was systematically machined out from each steel rod, followed by the magnetic evaluation of each specimen. Other set of metal rods were exposed to uniform corrosion and later examined by the electromagnetic sensor. Correlations have been established between the degree of mass loss and magnetic response of the test specimen. Based on the results, it can be said that the electromagnetic sensor has the potential to be used as a reliable nondestructive tool to detect corrosion at early stages based on the variation in magnetic properties. A metallurgical analysis of all test rods was also undertaken, which showed that microstructures have an important effect of the magnetic properties of the steels.
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July 2008
Research Papers
Detection and Monitoring of Corrosion in Structural Carbon Steels Using Electromagnetic Sensors
F. Rumiche,
F. Rumiche
Department of Civil and Materials Engineering,
frumic1@uic.edu
University of Illinois at Chicago
, 842 West Taylor Street, Chicago, IL 60607
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J. E. Indacochea,
J. E. Indacochea
Department of Civil and Materials Engineering,
jeindaco@uic.edu
University of Illinois at Chicago
, 842 West Taylor Street, Chicago, IL 60607
Search for other works by this author on:
M. L. Wang
M. L. Wang
Department of Civil and Materials Engineering,
mlwang@uic.edu
University of Illinois at Chicago
, 842 West Taylor Street, Chicago, IL 60607
Search for other works by this author on:
F. Rumiche
Department of Civil and Materials Engineering,
University of Illinois at Chicago
, 842 West Taylor Street, Chicago, IL 60607frumic1@uic.edu
J. E. Indacochea
Department of Civil and Materials Engineering,
University of Illinois at Chicago
, 842 West Taylor Street, Chicago, IL 60607jeindaco@uic.edu
M. L. Wang
Department of Civil and Materials Engineering,
University of Illinois at Chicago
, 842 West Taylor Street, Chicago, IL 60607mlwang@uic.edu
J. Eng. Mater. Technol. Jul 2008, 130(3): 031008 (7 pages)
Published Online: June 10, 2008
Article history
Received:
January 22, 2007
Revised:
March 25, 2008
Published:
June 10, 2008
Citation
Rumiche, F., Indacochea, J. E., and Wang, M. L. (June 10, 2008). "Detection and Monitoring of Corrosion in Structural Carbon Steels Using Electromagnetic Sensors." ASME. J. Eng. Mater. Technol. July 2008; 130(3): 031008. https://doi.org/10.1115/1.2931145
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