20455 Electromagnetic Radiation Effects on Corrosion

Monday, August 1, 2011: 1:20 PM
Nathan Ida, Joe H. Payer*, Xi Shan, and Karin Bodnar
The University of Akron
The effects of electromagnetic radiation on the corrosion of structures have been recognized anecdotally, but there has been little or no rigorous investigation. The objectives of this work are to demonstrate the effect electromagnetic radiation on corrosion under controlled laboratory conditions and to determine the magnitude of the effect electromagnetic radiation on the form and extent corrosion damage.  The initial materials of interest are steel and aluminum exposed to marine and other atmospheric corrosion environments.  Coupled steel/aluminum specimens are exposed to controlled levels of electromagnetic radiation by placement along and around a laboratory transmission line. Exposure cells control the atmospheric corrosion conditions: relative humidity, wet/dry and water composition. The initiation and evolution of corrosion damage is monitored throughout the exposures. The findings inform procedures for monitoring and detection of detrimental corrosion effects, maintenance protocols for remediation and mitigation, and methods for corrosion prevention and control.
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