[article]
| Titre : |
A variable radius roll adhesion test (VaRRAT) suitable for measuring the adhesion of paint to metal |
| Type de document : |
texte imprimé |
| Auteurs : |
Damien Jinks, Auteur ; Hugh Brown, Auteur ; David Buxton, Auteur |
| Année de publication : |
2002 |
| Article en page(s) : |
p. 49-61 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Tags : |
Méthode élément fini Modélisation Etude expérimentale Propriété mécanique Epoxyde résine Essai adhérence Placage Métal Adhérence Peinture Matériau revêtement |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Early trials and analysis of a new adhesion test are discussed. The test is designed for measuring the adhesion of paint to deformable steel sheets as used in building, automotive, and other cladding applications, and does not require detailed knowledge of the paint mechanical properties. A stiff overlay, such as an epoxy resin, is applied to the coating, and the steel substrate is peeled away using a roll of well defined radius to which the steel substrate is con strained. The propagation of a crack within the paint or at some interface in the paint/metal system depends mostly on the mechanical properties and thickness of the overlay and the radius of the constraining roll. The test is shown to discriminate better than existing practical adhesion tests between paints of expected differing adhesion/cohe sion, but also presents some inconsistencies that require further work to resolve. |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5672 |
in JOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 74, N° 926 (03/2002) . - p. 49-61
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