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Too Deep or too Shallow... Can Surface Profiles by Changed by Additional Blast Cleaning?

Too Deep or too Shallow... Can Surface Profiles by Changed by Additional Blast Cleaning?
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Coating specifications for protection of steel surfaces commonly contain requirements to generate a surface profile (to anchor the coating system to the substrate), within a range (minimum and maximum depth). In the future, specifications may also invoke a requirement to achieve a minimum peak density or peak count.

Product Number: 51217-036-SG
Author: William Corbett, Carly McGee, Jason Coley,
Publication Date: 2017
Industry: Coatings
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$20.00
$20.00

Coating specifications for protection of steel surfaces commonly contain requirements to generate a surface profile (to anchor the coating system to the substrate), within a range (minimum and maximum depth). In the future, specifications may also invoke a requirement to achieve a minimum peak density or peak count.

Coating specifications for protection of steel surfaces commonly contain requirements to generate a surface profile (to anchor the coating system to the substrate), within a range (minimum and maximum depth). In the future, specifications may also invoke a requirement to achieve a minimum peak density or peak count.

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Effect of Surface Preparation of Coating Performance
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Effect of Surface Preparation of Coating Performance

Product Number: 41216-953-SG
Author: Patrick Cassidy
Publication Date: 2016
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Coating performance and longevity is highly dependent on the quality of substrate surface preparation. The effect of profile height, profile type (e.g., type of tool used to perform the prep, angularity of profile, etc.), extent of cleanliness, and amount of chloride contamination on coating performance were all studied to determine the correlation between these factors in an attempt to identify the primary factor in coating failure due to improper surface preparation.
Challenges of Field Surface Preparation
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Challenges of Field Surface Preparation

Product Number: 51218-144-SG
Author: Jared Rigo
Publication Date: 2018
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A discussion on the issues and challenges related to surface preparation in the field. As means and methods diversify and structure types become more complex, challenges arise. This presentation attempts to identify some of the potential issues and challenges associated with today’s modern methods of surface preparation in the field. 
Surface Roughness Profile and its effect on Coating Adhesion and Corrosion Protection
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Surface Roughness Profile and its effect on Coating Adhesion and Corrosion Protection

Product Number: 51220-238-SG
Author: S. G. Croll
Publication Date: 2020
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Modern design, manufacturing and field-testing specifications include surface profile and adhesion testing on the assumption that they are linked to long term corrosion prevention. There are a number of careful studies, dating back decades, that find no link between measurements of adhesion and (undercutting) corrosion performance, but other studies do, and the concept remains intuitively appealing and widely assumed.
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