Quantitative validation testing of magnetoelastic corrosion sensing for bridge cables

Varsha Singh; George M. Lloyd; Ming L. Wang

doi:10.1117/12.482770

18 August 2003 Quantitative validation testing of magnetoelastic corrosion sensing for bridge cables

Varsha Singh, George M. Lloyd, Ming L. Wang

Proceedings Volume 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures; (2003) https://doi.org/10.1117/12.482770
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

Magnetic measurements were performed on steel cables subjected to a magnetic field and the response measured without contact using Faraday's law, to estimate the effect of temperature and corrosion on magnetic properties of structural steel. Magnetic measurements were compared with electrochemical measurements to correlate corrosion quantitatively in terms of mass loss. The results obtained from the present work are helpful in bounding the achievable sensitivity for conventional magnetoelastic corrosion sensing and for suggesting the need for alternate techniques.

Citation Download Citation

Varsha Singh, George M. Lloyd, and Ming L. Wang "Quantitative validation testing of magnetoelastic corrosion sensing for bridge cables", Proc. SPIE 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures, (18 August 2003); https://doi.org/10.1117/12.482770

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