有机涂层的降解机理

Q3 Materials Science

Koroze a ochrana materialu Pub Date : 2017-10-26 DOI:10.1515/kom-2017-0019

T. Prošek

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引用次数: 1

摘要

摘要综述了有机涂层对金属结构及其制品的保护机理。讨论了涂层的阻隔作用和局部缺陷的保护。描述了有机涂层的基本降解机制，如缺陷附近的阳极和阴极分层，渗透和阴极起泡，机械应力辅助起泡，附着力丧失和粉化。针对每种降解模式提出了适当的实验室试验建议。

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Mechanisms of degradation of organic coatings

Abstract An overview of protection mechanisms of organic coatings for metallic constructions and products is given. The barrier effect of coatings and protection in local defects are discussed. Basic degradation mechanisms of organic coatings such as anodic and cathodic delamination in vicinity of defects, osmotic and cathodic blistering, mechanical stress assisted blistering, loss of adhesion and chalking are described. Appropriate laboratory tests are proposed for each degradation mode.

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来源期刊

Koroze a ochrana materialu Materials Science-Materials Science (all)

CiteScore

3.00

自引率

0.00%

发文量

审稿时长

14 weeks