Mass transport processes through chlorinated rubber films / C. I. Elsner in EUROPEAN COATINGS JOURNAL (ECJ), N° 12/97 (12/1997)

[article]  inEUROPEAN COATINGS JOURNAL (ECJ) > N° 12/97 (12/1997) . - p. 1136-1140 Titre : Mass transport processes through chlorinated rubber films Type de document : texte imprimé Auteurs : C. I. Elsner, Auteur ; Pablo R. Seré, Auteur ; A. R. di Sarli, Auteur Année de publication : 1997 Article en page(s) : p. 1136-1140 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Acier L'acier est un alliage métallique utilisé dans les domaines de la construction métallique et de la construction mécanique. L'acier est constitué d'au moins deux éléments, le fer, très majoritaire, et le carbone, dans des proportions comprises entre 0,02 % et 2 % en masse1. C'est essentiellement la teneur en carbone qui confère à l'alliage les propriétés du métal qu'on appelle "acier". Il existe d’autres métaux à base de fer qui ne sont pas des aciers comme les fontes et les ferronickels par exemple. Anticorrosifs Anticorrosion Caoutchouc chloré Transfert de masse Index. décimale : 667.9 Revêtements et enduits Résumé : The influence of the chloride concentration on the mass transport through unpigmented and non plasticized chlorinated rubber films applied on steel was studied using the potentiostatic oxygen reduction as the test reaction. Besides DC electrochemical measurements, visual assessment was also used in order to assess the coated steel deterioration with immersion time. From the experimental results it may be concluded that these varnishes applied in very thin films gave a good anticorrosive protection level, which was attributed to both, the coating permselectivity and its strong adhesion to the steel substrate. Note de contenu : II - Experimental details III - Results and discussion IV - Tests on bare carbon steel : 1- Measuring in distilled water - 2- Measuring in saline solutions V - Tests on coated carbon steel Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11450 [article]

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The influence of the method of application of the paint on the corrosion of the substrate as assessed by ASTM and electrochemical method / Pablo R. Seré in SURFACE COATINGS INTERNATIONAL, Vol. 81, N° 3 (03/1998)

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 81, N° 3 (03/1998) . - p. 128-134 Titre : The influence of the method of application of the paint on the corrosion of the substrate as assessed by ASTM and electrochemical method Type de document : texte imprimé Auteurs : Pablo R. Seré, Auteur ; D. M. Santagata, Auteur ; C. I. Elsner, Auteur ; A. R. di Sarli, Auteur Année de publication : 1998 Article en page(s) : p. 128-134 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 667.9 Revêtements et enduits Résumé : AC together with DC and standardized procedures have considerable value in assessing the protective ability of a paint film by scientific studies of anticorrosion problems. Knowledge about the changes in permeability, conductivity and adhesion properties of coatings when exposed to aggressive environments is important, not only because it indicates how the coating may behave in practice, but also because it gives an insight into its protective properties in prevention of corrosion of the metal substrate. From the values of corrosion potential, ionic and charge transfer resistance with immersion time, the alkyd paint applied by means of four different methods showed relatively good protective properties in the order Sy>R ≅ Sn but very poor ones for B panel. On the other hand, when submitted to the salt spray cabinet test, all the steel panels coated with unscribed alkyd films have shown high resistance to the strongly aggressive medium. Likewise, the cross scribed panels show only corrosion at and close to the cross-scribing. Taking into account the overall results, the most effective application method was spraying followed by roller coating, spinning and lastly brushing. Further work needs to be done to confirm some of the assumptions made here. Note de contenu : - EXPERIMENTAL PROCEDURE - RESULTS : Electrochemical tests - Salt spray cabinet and adhesion tests - DISCUSSION : Electrochemical measurements - Salt spray cabinet and adhesion tests Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16476 [article]

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