Fundamentals of fusion-bonded epoxy application / David A. Hunter in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 35, N° 4 (04/2018)  

[article]  inJOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 35, N° 4 (04/2018) . - p. 36-39 Titre : Fundamentals of fusion-bonded epoxy application Type de document : texte imprimé Auteurs : David A. Hunter, Auteur ; Sean M. Browning, Auteur Année de publication : 2018 Article en page(s) : p. 36-39 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Acier au carbone Métaux -- Revêtements protecteurs Pipelines -- Revêtements protecteurs Revêtement époxy lié par fusion Tuyauterie -- Protection Index. décimale : 667.9 Revêtements et enduits Résumé : Protective coatings for carbon steel are well known as an economical method of controlling corrosion versus the use of alternative materials such as stainless steel. At first glance, buried piping seems to have a stable environment. One might assume that coatings would not necessarily be required, as they might be for atmospheric environments, which are bombarded with rain, snow (depending on location), fog, ultraviolet light and significant temperature differentials. Buried environments, however, even in semi-arid climates, contain enough moisture in the soil to conduct ionic current, which completes the circuit for corrosion of most metals. One way to control buried corrosion is to employ cathodic protection (CP), and indeed, buried pipe corrosion can be controlled with CP alone. The limitation of using solely CP, however, is the amount of CP required to protect the exposed surface area. The greater the current requirements, the larger and more expansive the CP required, meaning greater installation, maintenance and monitoring costs which drives up the cost of operating a pipeline. And for pipelines carrying hazardous materials, the requirements for maintaining the lines are prescribed by federal law. Therefore, a cost-effective design approach is to use coatings in conjunction with cathodic protection to protect the line. Note de contenu : - Coating system selection - The 1-2-3 of FBE - Fig. 1 : FBE powder application - Fig. 2 : Outline of the fBE process - Fig. 3 : View of pipes in the laydown yard - Fig. 4 : View of air-heating units to warm pipes - Fig. 5 : Pipe entering shot-blasting machine - Fig. 6 : Wheel-blasting machines lined up in series - Fig. 7 : Pipes after surface preparation with pipe connectors attached - Fig. 8 : Pipes entering the fumace - Fig. 9 : Quenching area - Fig. 10 : Holiday testing - Fig. 11 : Taking dry-film-thickness measurements - Fig. 12 : Loading pipes -Table 1 : Characteristics and limitations of fusion- bonded epoxy En ligne : https://www.paintsquare.com/archive/?fuseaction=view&articleid=6291 Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30713 [article]

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