[article]
Titre : |
Selection of corrosion test methods based on mechanism principles |
Type de document : |
texte imprimé |
Auteurs : |
Edward C. Ferlauto, Auteur ; Mehrdad Emami, Auteur ; Michael Grivna, Auteur ; Eric Habeck, Auteur ; Lonnie Jones, Auteur ; Sarah Oebser, Auteur ; James Prevost, Auteur ; Glen Vetter, Auteur ; Wood Lowell, Auteur ; Julie Galante-Fox, Auteur |
Année de publication : |
1994 |
Article en page(s) : |
p. 85-97 |
Note générale : |
Bibliogr. |
Langues : |
Américain (ame) |
Catégories : |
Anticorrosion Couches minces Epoxydes Essais de brouillard salin Etudes comparatives Perméabilité Polyacryliques Polyalkydes Polyuréthanes Résistance à l'humidité Revêtements -- Effets du climat Spectroscopie d'impédance électrochimique Vapeur d'eau
|
Index. décimale : |
667.9 Revêtements et enduits |
Résumé : |
Six coatings, including an epoxy ester copolymer, aliphatic oil-modified urethane, short-oil alkyd, short-oil alkyd with silicate, water-reducible alkyd, and acrylic emulsion were tested and compared at three film thicknesses to measure or predict corrosion resistance. Performance of the coatings changed at different film thicknesses. This has been associated with mechanisms prevalent in each test as well as relative mechanism rates. The coating types were rated as best, intermediate, and poor according to three basic causes of corrosion : water permeability, ion mobility, and wet adhesion/undercutting. This study showed that although a single test cannot adequately compare the corrosion characteristics of a group of coating types, a suitable test method can be selected. |
Note de contenu : |
- Sample preparation
- Water vapor transmission-permeability
- Impedance
- Humidity
- Salt fog
- Exposure studies |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18701 |
in JOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 66, N° 835 (08/1994) . - p. 85-97
[article]
|