Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel

Autores
del Amo, Delia Beatriz; Véleva, L.; Di Sarli, Alejandro Ramón; Elsner, Cecilia Ines
Año de publicación
2004
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The performance of different pre-treated galvanized steel/primer/topcoat paint systems applied on hot-dip galvanized steel sheets has been studied. Each panel was pre-treated with 5% Fe(NO3)3+15% H 3PO3 solution. After this step, the panels were coated either with acrylic (AC), alkyd (AK), vinyl (VL), epoxy base-solvent (ES) or epoxy-waterborne (EW) based corrosion-inhibiting primer using zinc molybdenum phosphate as anticorrosive pigment, and with commercially available alkyd topcoat paint. Experimental behavior of these panels under standardized salt spray chamber exposure or continuous immersion in 0.5M NaCl, 0.5M Na 2SO4 or 0.25M NaCl+0.25M Na2SO4 solutions was evaluated through periodical visual inspection (blistering and rusting degrees) and EIS measurements (corrosion evolution). Initial (dry) and final (wet) paint adhesion was also determined. EIS data has been interpreted and discussed in terms of the time dependence of the electrical (paint coating) and electrochemical (steel substrate) parameters associated with interfacial processes describing the metal/paint system deterioration. According to the electrochemical properties, visual inspection and standardized tests results, the painting systems designated as AK, ES, EW, and VL presented the best overall anticorrosive behavior under immersion conditions, but all samples failed when exposed to the salt spray chamber. System AC behaved very well in 0.25M NaCl+0.25M Na2SO4 but failed in the other media. Adhesion changes outside the tested areas showed that under immersion conditions there was lateral diffusion. Good correlation between standardized and electrochemical tests results was also obtained.
Fil: del Amo, Delia Beatriz. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina
Fil: Véleva, L.. Centro de Investigación y de Estudios Avanzados; México
Fil: Di Sarli, Alejandro Ramón. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina
Fil: Elsner, Cecilia Ines. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina
Materia
CORROSION
EQUIVALENT CIRCUITS
IMPEDANCE MEASUREMENTS
PAINT BLISTERING
PAINTED GALVANIZED STEEL
SALT SPRAY TEST
SURFACE PRE-TREATMENTS
WATERBORNE PAINT
ZINC MOLYBDENUM PHOSPHATE
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/95467
Acceder
id CONICETDig_9640f63e2e9d5510d6dba6bef8f48428
oai_identifier_str oai:ri.conicet.gov.ar:11336/95467
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Performance of coated steel systems exposed to different media: Part I. Painted galvanized steeldel Amo, Delia BeatrizVéleva, L.Di Sarli, Alejandro RamónElsner, Cecilia InesCORROSIONEQUIVALENT CIRCUITSIMPEDANCE MEASUREMENTSPAINT BLISTERINGPAINTED GALVANIZED STEELSALT SPRAY TESTSURFACE PRE-TREATMENTSWATERBORNE PAINTZINC MOLYBDENUM PHOSPHATEhttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2The performance of different pre-treated galvanized steel/primer/topcoat paint systems applied on hot-dip galvanized steel sheets has been studied. Each panel was pre-treated with 5% Fe(NO3)3+15% H 3PO3 solution. After this step, the panels were coated either with acrylic (AC), alkyd (AK), vinyl (VL), epoxy base-solvent (ES) or epoxy-waterborne (EW) based corrosion-inhibiting primer using zinc molybdenum phosphate as anticorrosive pigment, and with commercially available alkyd topcoat paint. Experimental behavior of these panels under standardized salt spray chamber exposure or continuous immersion in 0.5M NaCl, 0.5M Na 2SO4 or 0.25M NaCl+0.25M Na2SO4 solutions was evaluated through periodical visual inspection (blistering and rusting degrees) and EIS measurements (corrosion evolution). Initial (dry) and final (wet) paint adhesion was also determined. EIS data has been interpreted and discussed in terms of the time dependence of the electrical (paint coating) and electrochemical (steel substrate) parameters associated with interfacial processes describing the metal/paint system deterioration. According to the electrochemical properties, visual inspection and standardized tests results, the painting systems designated as AK, ES, EW, and VL presented the best overall anticorrosive behavior under immersion conditions, but all samples failed when exposed to the salt spray chamber. System AC behaved very well in 0.25M NaCl+0.25M Na2SO4 but failed in the other media. Adhesion changes outside the tested areas showed that under immersion conditions there was lateral diffusion. Good correlation between standardized and electrochemical tests results was also obtained.Fil: del Amo, Delia Beatriz. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; ArgentinaFil: Véleva, L.. Centro de Investigación y de Estudios Avanzados; MéxicoFil: Di Sarli, Alejandro Ramón. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; ArgentinaFil: Elsner, Cecilia Ines. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; ArgentinaElsevier Science Sa2004-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/95467del Amo, Delia Beatriz; Véleva, L.; Di Sarli, Alejandro Ramón; Elsner, Cecilia Ines; Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel; Elsevier Science Sa; Progress in Organic Coatings; 50; 3; 8-2004; 179-1920300-9440CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0300944004000621info:eu-repo/semantics/altIdentifier/doi/10.1016/j.porgcoat.2004.02.003info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:37:47Zoai:ri.conicet.gov.ar:11336/95467instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 14:37:47.596CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel
title Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel
spellingShingle Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel
del Amo, Delia Beatriz
CORROSION
EQUIVALENT CIRCUITS
IMPEDANCE MEASUREMENTS
PAINT BLISTERING
PAINTED GALVANIZED STEEL
SALT SPRAY TEST
SURFACE PRE-TREATMENTS
WATERBORNE PAINT
ZINC MOLYBDENUM PHOSPHATE
title_short Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel
title_full Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel
title_fullStr Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel
title_full_unstemmed Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel
title_sort Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel
dc.creator.none.fl_str_mv del Amo, Delia Beatriz
Véleva, L.
Di Sarli, Alejandro Ramón
Elsner, Cecilia Ines
author del Amo, Delia Beatriz
author_facet del Amo, Delia Beatriz
Véleva, L.
Di Sarli, Alejandro Ramón
Elsner, Cecilia Ines
author_role author
author2 Véleva, L.
Di Sarli, Alejandro Ramón
Elsner, Cecilia Ines
author2_role author
author
author
dc.subject.none.fl_str_mv CORROSION
EQUIVALENT CIRCUITS
IMPEDANCE MEASUREMENTS
PAINT BLISTERING
PAINTED GALVANIZED STEEL
SALT SPRAY TEST
SURFACE PRE-TREATMENTS
WATERBORNE PAINT
ZINC MOLYBDENUM PHOSPHATE
topic CORROSION
EQUIVALENT CIRCUITS
IMPEDANCE MEASUREMENTS
PAINT BLISTERING
PAINTED GALVANIZED STEEL
SALT SPRAY TEST
SURFACE PRE-TREATMENTS
WATERBORNE PAINT
ZINC MOLYBDENUM PHOSPHATE
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.5
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv The performance of different pre-treated galvanized steel/primer/topcoat paint systems applied on hot-dip galvanized steel sheets has been studied. Each panel was pre-treated with 5% Fe(NO3)3+15% H 3PO3 solution. After this step, the panels were coated either with acrylic (AC), alkyd (AK), vinyl (VL), epoxy base-solvent (ES) or epoxy-waterborne (EW) based corrosion-inhibiting primer using zinc molybdenum phosphate as anticorrosive pigment, and with commercially available alkyd topcoat paint. Experimental behavior of these panels under standardized salt spray chamber exposure or continuous immersion in 0.5M NaCl, 0.5M Na 2SO4 or 0.25M NaCl+0.25M Na2SO4 solutions was evaluated through periodical visual inspection (blistering and rusting degrees) and EIS measurements (corrosion evolution). Initial (dry) and final (wet) paint adhesion was also determined. EIS data has been interpreted and discussed in terms of the time dependence of the electrical (paint coating) and electrochemical (steel substrate) parameters associated with interfacial processes describing the metal/paint system deterioration. According to the electrochemical properties, visual inspection and standardized tests results, the painting systems designated as AK, ES, EW, and VL presented the best overall anticorrosive behavior under immersion conditions, but all samples failed when exposed to the salt spray chamber. System AC behaved very well in 0.25M NaCl+0.25M Na2SO4 but failed in the other media. Adhesion changes outside the tested areas showed that under immersion conditions there was lateral diffusion. Good correlation between standardized and electrochemical tests results was also obtained.
Fil: del Amo, Delia Beatriz. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina
Fil: Véleva, L.. Centro de Investigación y de Estudios Avanzados; México
Fil: Di Sarli, Alejandro Ramón. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina
Fil: Elsner, Cecilia Ines. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Investigaciones en Tecnología de Pinturas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones en Tecnología de Pinturas; Argentina
description The performance of different pre-treated galvanized steel/primer/topcoat paint systems applied on hot-dip galvanized steel sheets has been studied. Each panel was pre-treated with 5% Fe(NO3)3+15% H 3PO3 solution. After this step, the panels were coated either with acrylic (AC), alkyd (AK), vinyl (VL), epoxy base-solvent (ES) or epoxy-waterborne (EW) based corrosion-inhibiting primer using zinc molybdenum phosphate as anticorrosive pigment, and with commercially available alkyd topcoat paint. Experimental behavior of these panels under standardized salt spray chamber exposure or continuous immersion in 0.5M NaCl, 0.5M Na 2SO4 or 0.25M NaCl+0.25M Na2SO4 solutions was evaluated through periodical visual inspection (blistering and rusting degrees) and EIS measurements (corrosion evolution). Initial (dry) and final (wet) paint adhesion was also determined. EIS data has been interpreted and discussed in terms of the time dependence of the electrical (paint coating) and electrochemical (steel substrate) parameters associated with interfacial processes describing the metal/paint system deterioration. According to the electrochemical properties, visual inspection and standardized tests results, the painting systems designated as AK, ES, EW, and VL presented the best overall anticorrosive behavior under immersion conditions, but all samples failed when exposed to the salt spray chamber. System AC behaved very well in 0.25M NaCl+0.25M Na2SO4 but failed in the other media. Adhesion changes outside the tested areas showed that under immersion conditions there was lateral diffusion. Good correlation between standardized and electrochemical tests results was also obtained.
publishDate 2004
dc.date.none.fl_str_mv 2004-08
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/95467
del Amo, Delia Beatriz; Véleva, L.; Di Sarli, Alejandro Ramón; Elsner, Cecilia Ines; Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel; Elsevier Science Sa; Progress in Organic Coatings; 50; 3; 8-2004; 179-192
0300-9440
CONICET Digital
CONICET
url http://hdl.handle.net/11336/95467
identifier_str_mv del Amo, Delia Beatriz; Véleva, L.; Di Sarli, Alejandro Ramón; Elsner, Cecilia Ines; Performance of coated steel systems exposed to different media: Part I. Painted galvanized steel; Elsevier Science Sa; Progress in Organic Coatings; 50; 3; 8-2004; 179-192
0300-9440
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0300944004000621
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.porgcoat.2004.02.003
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science Sa
publisher.none.fl_str_mv Elsevier Science Sa
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.22299

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