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08009 Topcoat Flaking - A Mechanism Study: Part 1 Laboratory Testing - Internal Stress, Mechanical Properties, Adhesion and Ageing

Product Number: 51300-08009-SG
ISBN: 08009 2008 CP
Author: Sten Axelsen, Torstein Rossland, Roy Johnsen, and Ole Oystein Knudsen
Publication Date: 2008
$0.00
$20.00
$20.00
Topcoat flaking has been, and still is, considered to be a significant problem on both onshore and offshore structures in the Norwegian sector. Polysiloxanes, the predominant topcoat in the Norwegian market during the last few years, may seem to be particularly vulnerable to this degradation mechanism, but also other generic type topcoats exhibit a similar behavior. Qualification testing according to established standards, e.g. Norsok M-501, does not seem to be able to reveal the potential problem and there is a need for a better understanding of the failure mechanism(s). Such knowledge is a necessity in order both to implement corrective measures to prevent this problem in the future, and to improve the qualification test methodology.
Topcoat flaking has been, and still is, considered to be a significant problem on both onshore and offshore structures in the Norwegian sector. Polysiloxanes, the predominant topcoat in the Norwegian market during the last few years, may seem to be particularly vulnerable to this degradation mechanism, but also other generic type topcoats exhibit a similar behavior. Qualification testing according to established standards, e.g. Norsok M-501, does not seem to be able to reveal the potential problem and there is a need for a better understanding of the failure mechanism(s). Such knowledge is a necessity in order both to implement corrective measures to prevent this problem in the future, and to improve the qualification test methodology.
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