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51312-01730-Timescale Correlation between Marine Atmospheric Exposure and Accelerated Corrosion Testing – Part 2

Picture for Timescale Correlation between Marine Atmospheric Exposure and Accelerated Corrosion Testing – Part 2
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Product Number: 51312-01730-SG
ISBN: 01730 2012 CP
Author: Eliza L. Montgomery
Publication Date: 2012
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Evaluation of metal structures has long relied on atmospheric exposure sites to determine corrosion resistance in marine environments. This approach is an invaluable method to predict the service life of metallic materials. The primary disadvantage to this approach is the long times required for evaluation often lasting 3 to 5 years. Traditional accelerated corrosion testing relies on mimicking atmospheric exposure conditions but their success in correlation to atmospheric exposure is often a concern because timescales are difficult to relate. Although visual and mass loss methods of evaluating corrosion are the standard and their use is imperative a method that correlates timescales from atmospheric exposure to accelerated testing based on the chemical changes that occur during corrosion would be very valuable. This work makes use of surface and electrochemical techniques to interpret the chemical changes occurring on steel substrates during atmospheric and accelerated corrosion conditions. The latest findings obtained by analyzing data from four marine-based corrosion conditions that include exposure at the Kennedy Space Center Beachside Atmospheric Exposure Test Site alternating seawater submersion salt fog and laboratory-scale electrochemically induced corrosion will be presented.
Evaluation of metal structures has long relied on atmospheric exposure sites to determine corrosion resistance in marine environments. This approach is an invaluable method to predict the service life of metallic materials. The primary disadvantage to this approach is the long times required for evaluation often lasting 3 to 5 years. Traditional accelerated corrosion testing relies on mimicking atmospheric exposure conditions but their success in correlation to atmospheric exposure is often a concern because timescales are difficult to relate. Although visual and mass loss methods of evaluating corrosion are the standard and their use is imperative a method that correlates timescales from atmospheric exposure to accelerated testing based on the chemical changes that occur during corrosion would be very valuable. This work makes use of surface and electrochemical techniques to interpret the chemical changes occurring on steel substrates during atmospheric and accelerated corrosion conditions. The latest findings obtained by analyzing data from four marine-based corrosion conditions that include exposure at the Kennedy Space Center Beachside Atmospheric Exposure Test Site alternating seawater submersion salt fog and laboratory-scale electrochemically induced corrosion will be presented.
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11353 Timescale Correlation Between Marine Atmospheric Exposure and Accelerated Corrosion Testing

Product Number: 51300-11353-SG
ISBN: 2011 11353 CP
Author: Eliza L. Montgomery, Jerome P. Curran, Luz M. Calle and Mark R. Kolody
Publication Date: 2011
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Evaluation of metal-based structures has relied on atmospheric exposure test sites to determine corrosion resistance in marine environments. This work uses surface chemistry and electrochemical techniques to interpret the chemical changes occurring on low carbon and stainless steel during atmospheric and accelerated corrosion conditions to find a correlation between its accelerated and long-term corrosion performance.
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08003 A Correlation of Accelerated Corrosion Testing with Real Life Exposure After 6 Years in a Coastal/Offshore Environment

Product Number: 51300-08003-SG
ISBN: 08003 2008 CP
Author: Darren Ward
Publication Date: 2008
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New high-solids coatings are sometimes required to meet volatile organic compound (VOC) legislation. Lack of data on same needs accelerated test methods to evaluate performance. The test method must: • Be performed using commercially available equipment • Take a relatively short time period. • Correlate with real life exposure.
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Accelerated Offshore Coating Performance Testing

Product Number: 51317--9134-SG
ISBN: 9134 2017 CP
Author: Benjamin Chang
Publication Date: 2017
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Offshore is a very corrosive environment with a high corrosion rate. The offshore coating service life is relatively short and extremely expensive to apply maintenance coatings onsite.  A new accelerated coating corrosion test method is proposed.
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