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Corrosion: Domesticated and in the Wild

Corrosion: Domesticated and in the Wild
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A previous paper presented by the authors at SSPC 2015 demonstrated the futility and folly of attempting to use accelerated corrosion testing as a tool for predicting real world corrosion performance. The effect of corrosion was shown to be governed by the type of ions and the concentration of oxygen in the corrosion environment. By understanding these two factors, accelerated corrosion testing can, however, be used as an indicator of performance which may be encountered in the real world. 

Product Number: 51216-001-SG
Author: Carl W. Reed, Kat Coronado
Publication Date: 2016
Industries: Corrosion Monitoring and Control , Coatings , Coatings and Linings
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$20.00
$20.00

A previous paper presented by the authors at SSPC 2015 demonstrated the futility and folly of attempting to use accelerated corrosion testing as a tool for predicting real world corrosion performance. The effect of corrosion was shown to be governed by the type of ions and the concentration of oxygen in the corrosion environment. By understanding these two factors, accelerated corrosion testing can, however, be used as an indicator of performance which may be encountered in the real world. This indicator may show what effect an environment may have on coating/substrate, thus providing guidance for an appropriate performance solution. Whereas the 2015 paper looked at the corrosion process and the effect coatings have on protecting against corrosion from a mechanistic viewpoint, the link between the corrosion observed in an accelerated corrosion testing environment (i.e., domesticated corrosion) and the observed corrosion in the real world (i.e. corrosion in the wild) has not been fully examined and established. This paper examines the four predominant sources of corrosion that occur “in the wild” and compares them to observational results found in exposure to accelerated corrosion conditions. By combining these observational attributes to the mechanistic attributes previously examined, the use of accelerated corrosion testing can be better used as an indicator of how a coating will perform in various environmental conditions. The authors will also provide some suggested solutions using coatings for the improvement of corrosion resistance resulting from these sources of corrosion.

A previous paper presented by the authors at SSPC 2015 demonstrated the futility and folly of attempting to use accelerated corrosion testing as a tool for predicting real world corrosion performance. The effect of corrosion was shown to be governed by the type of ions and the concentration of oxygen in the corrosion environment. By understanding these two factors, accelerated corrosion testing can, however, be used as an indicator of performance which may be encountered in the real world. This indicator may show what effect an environment may have on coating/substrate, thus providing guidance for an appropriate performance solution. Whereas the 2015 paper looked at the corrosion process and the effect coatings have on protecting against corrosion from a mechanistic viewpoint, the link between the corrosion observed in an accelerated corrosion testing environment (i.e., domesticated corrosion) and the observed corrosion in the real world (i.e. corrosion in the wild) has not been fully examined and established. This paper examines the four predominant sources of corrosion that occur “in the wild” and compares them to observational results found in exposure to accelerated corrosion conditions. By combining these observational attributes to the mechanistic attributes previously examined, the use of accelerated corrosion testing can be better used as an indicator of how a coating will perform in various environmental conditions. The authors will also provide some suggested solutions using coatings for the improvement of corrosion resistance resulting from these sources of corrosion.

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