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Preventing Crevice Corrosion in New and Existing Steel Structures

Steel structures are often fabricated by bolting (or riveting) structural components together. Bolted joints result in multiple crevices between the bolted members and fasteners. These crevices are typically more susceptible to corrosion than flat surfaces because they tend to retain water/contaminants, they are difficult to properly coat, and the crevice geometry tends to support electrochemical phenomena that accelerate corrosion. This paper will evaluate the effectiveness of various coating practices at mitigating corrosion around these joints.

Product Number: 51218-152-SG
Author: Eric Shoyer
Publication Date: 2018
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Steel structures are often fabricated by bolting (or riveting) structural components together. Bolted joints result in multiple crevices between the bolted members and fasteners. These crevices are typically more susceptible to corrosion than flat surfaces because they tend to retain water/contaminants, they are difficult to properly coat, and the crevice geometry tends to support electrochemical phenomena that accelerate corrosion. This paper will evaluate the effectiveness of various coating practices at mitigating corrosion around these joints.

Steel structures are often fabricated by bolting (or riveting) structural components together. Bolted joints result in multiple crevices between the bolted members and fasteners. These crevices are typically more susceptible to corrosion than flat surfaces because they tend to retain water/contaminants, they are difficult to properly coat, and the crevice geometry tends to support electrochemical phenomena that accelerate corrosion. This paper will evaluate the effectiveness of various coating practices at mitigating corrosion around these joints.

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