Silane and epoxy coatings: A bilayer system to protect AA2024 alloy
•Silane and epoxy bilayer coatings offer good protection to AA2024 surface.•Non-blistering formation thanks to the good adherence between interfaces.•Synergistic effect of silane and organophosphonic acid for good to metal substrate. This work has proved that a good combination of a simple and fast...
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| Veröffentlicht in: | Progress in organic coatings 2015-04, Vol.81, p.47-57 |
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| creator | Iribarren-Mateos, José Ignacio Buj-Corral, Irene Vivancos-Calvet, Joan Alemán, Carlos Iribarren, José Ignacio Armelin, Elaine |
| description | •Silane and epoxy bilayer coatings offer good protection to AA2024 surface.•Non-blistering formation thanks to the good adherence between interfaces.•Synergistic effect of silane and organophosphonic acid for good to metal substrate.
This work has proved that a good combination of a simple and fast metal pre-treatment, followed by the deposition of a thin layer of an organic–inorganic silane coating and further layer of epoxy coatings, are able to protect the aluminium alloy AA2024-T3 against corrosion in high concentrations of NaCl solution. The alloy AA2024 is one of the most employed aluminium alloy in structural applications due to its good mechanical properties. However, AA2024 alloy series commonly presents galvanic corrosion due to the rich content of copper element. The influence of different surface pre-treatments, the presence of a silane layer as pre-coating treatment and the influence of phosphonic acids combined with the silane layer on the corrosion protection and adhesion to the aluminium alloy have been examined using accelerated corrosion tests. High roughness and the presence of a pre-coating film between the metal surface and the organic coating were essential for a good protection and resistance to blistering appearance in the surface of AA2024-T3. |
| doi_str_mv | 10.1016/j.porgcoat.2014.12.014 |
| format | Article |
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This work has proved that a good combination of a simple and fast metal pre-treatment, followed by the deposition of a thin layer of an organic–inorganic silane coating and further layer of epoxy coatings, are able to protect the aluminium alloy AA2024-T3 against corrosion in high concentrations of NaCl solution. The alloy AA2024 is one of the most employed aluminium alloy in structural applications due to its good mechanical properties. However, AA2024 alloy series commonly presents galvanic corrosion due to the rich content of copper element. The influence of different surface pre-treatments, the presence of a silane layer as pre-coating treatment and the influence of phosphonic acids combined with the silane layer on the corrosion protection and adhesion to the aluminium alloy have been examined using accelerated corrosion tests. High roughness and the presence of a pre-coating film between the metal surface and the organic coating were essential for a good protection and resistance to blistering appearance in the surface of AA2024-T3.</description><identifier>ISSN: 0300-9440</identifier><identifier>EISSN: 1873-331X</identifier><identifier>DOI: 10.1016/j.porgcoat.2014.12.014</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Aliatges ; Alloy systems ; Alumini ; Aluminium alloy ; Aluminum base alloys ; aluminum-alloy ; Coatings ; Corrosion assays ; Corrosion prevention ; corrosion protection ; Corrosió ; Enginyeria química ; Epoxy coatings ; hybrid materials ; inhibition ; native-oxide surface ; Organic coatings ; Protective coatings ; Revestiments protectors ; Roughness ; self-assembled monolayers ; Silane compounds ; Silanes ; sol-gel coatings ; Sol-gel technology ; spectroscopy ; Titanium alloys ; Àrees temàtiques de la UPC</subject><ispartof>Progress in organic coatings, 2015-04, Vol.81, p.47-57</ispartof><rights>2014 Elsevier B.V.</rights><rights>info:eu-repo/semantics/openAccess <a href="http://creativecommons.org/licenses/by-nc-nd/3.0/es/">http://creativecommons.org/licenses/by-nc-nd/3.0/es/</a></rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c435t-5196387fa950fadb132ea6b3cc31023155bcc129316e3aa77372280bd4d744d73</citedby><cites>FETCH-LOGICAL-c435t-5196387fa950fadb132ea6b3cc31023155bcc129316e3aa77372280bd4d744d73</cites><orcidid>0000-0002-0658-7696</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.porgcoat.2014.12.014$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,777,781,882,3537,26955,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Iribarren-Mateos, José Ignacio</creatorcontrib><creatorcontrib>Buj-Corral, Irene</creatorcontrib><creatorcontrib>Vivancos-Calvet, Joan</creatorcontrib><creatorcontrib>Alemán, Carlos</creatorcontrib><creatorcontrib>Iribarren, José Ignacio</creatorcontrib><creatorcontrib>Armelin, Elaine</creatorcontrib><title>Silane and epoxy coatings: A bilayer system to protect AA2024 alloy</title><title>Progress in organic coatings</title><description>•Silane and epoxy bilayer coatings offer good protection to AA2024 surface.•Non-blistering formation thanks to the good adherence between interfaces.•Synergistic effect of silane and organophosphonic acid for good to metal substrate.
This work has proved that a good combination of a simple and fast metal pre-treatment, followed by the deposition of a thin layer of an organic–inorganic silane coating and further layer of epoxy coatings, are able to protect the aluminium alloy AA2024-T3 against corrosion in high concentrations of NaCl solution. The alloy AA2024 is one of the most employed aluminium alloy in structural applications due to its good mechanical properties. However, AA2024 alloy series commonly presents galvanic corrosion due to the rich content of copper element. The influence of different surface pre-treatments, the presence of a silane layer as pre-coating treatment and the influence of phosphonic acids combined with the silane layer on the corrosion protection and adhesion to the aluminium alloy have been examined using accelerated corrosion tests. High roughness and the presence of a pre-coating film between the metal surface and the organic coating were essential for a good protection and resistance to blistering appearance in the surface of AA2024-T3.</description><subject>Aliatges</subject><subject>Alloy systems</subject><subject>Alumini</subject><subject>Aluminium alloy</subject><subject>Aluminum base alloys</subject><subject>aluminum-alloy</subject><subject>Coatings</subject><subject>Corrosion assays</subject><subject>Corrosion prevention</subject><subject>corrosion protection</subject><subject>Corrosió</subject><subject>Enginyeria química</subject><subject>Epoxy coatings</subject><subject>hybrid materials</subject><subject>inhibition</subject><subject>native-oxide surface</subject><subject>Organic coatings</subject><subject>Protective coatings</subject><subject>Revestiments protectors</subject><subject>Roughness</subject><subject>self-assembled monolayers</subject><subject>Silane compounds</subject><subject>Silanes</subject><subject>sol-gel coatings</subject><subject>Sol-gel technology</subject><subject>spectroscopy</subject><subject>Titanium alloys</subject><subject>Àrees temàtiques de la UPC</subject><issn>0300-9440</issn><issn>1873-331X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>XX2</sourceid><recordid>eNqFUE1LAzEUDKJg_fgLkqOXXfOS7KbryVL8AsGDCt5CNvtaUrZNTVJx_71Zqnj08Bge780wM4RcACuBQX21Krc-LK03qeQMZAm8zHBAJjBVohAC3g_JhAnGikZKdkxOYlwxxmohmgmZv7jebJCaTUdx678GOgq5zTJe0xlt83HAQOMQE65p8nQbfEKb6GzGGZfU9L0fzsjRwvQRz3_wlLzd3b7OH4qn5_vH-eypsFJUqaigqcVULUxTsYXpWhAcTd0KawUwLqCqWmuBNwJqFMYoJRTnU9Z2slMyjzglsNe1cWd1QIvBmqS9cX_LOJwprnklOUDmXO452fjHDmPSaxct9mNov4saVC6mUo2s8mv9Ix98jAEXehvc2oRBA9Nj03qlf5vWY9MauM6QiTd7Iubwnw6DjtbhxmLnsq-kO-_-k_gG92SITg</recordid><startdate>201504</startdate><enddate>201504</enddate><creator>Iribarren-Mateos, José Ignacio</creator><creator>Buj-Corral, Irene</creator><creator>Vivancos-Calvet, Joan</creator><creator>Alemán, Carlos</creator><creator>Iribarren, José Ignacio</creator><creator>Armelin, Elaine</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SE</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>XX2</scope><orcidid>https://orcid.org/0000-0002-0658-7696</orcidid></search><sort><creationdate>201504</creationdate><title>Silane and epoxy coatings: A bilayer system to protect AA2024 alloy</title><author>Iribarren-Mateos, José Ignacio ; Buj-Corral, Irene ; Vivancos-Calvet, Joan ; Alemán, Carlos ; Iribarren, José Ignacio ; Armelin, Elaine</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c435t-5196387fa950fadb132ea6b3cc31023155bcc129316e3aa77372280bd4d744d73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Aliatges</topic><topic>Alloy systems</topic><topic>Alumini</topic><topic>Aluminium alloy</topic><topic>Aluminum base alloys</topic><topic>aluminum-alloy</topic><topic>Coatings</topic><topic>Corrosion assays</topic><topic>Corrosion prevention</topic><topic>corrosion protection</topic><topic>Corrosió</topic><topic>Enginyeria química</topic><topic>Epoxy coatings</topic><topic>hybrid materials</topic><topic>inhibition</topic><topic>native-oxide surface</topic><topic>Organic coatings</topic><topic>Protective coatings</topic><topic>Revestiments protectors</topic><topic>Roughness</topic><topic>self-assembled monolayers</topic><topic>Silane compounds</topic><topic>Silanes</topic><topic>sol-gel coatings</topic><topic>Sol-gel technology</topic><topic>spectroscopy</topic><topic>Titanium alloys</topic><topic>Àrees temàtiques de la UPC</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Iribarren-Mateos, José Ignacio</creatorcontrib><creatorcontrib>Buj-Corral, Irene</creatorcontrib><creatorcontrib>Vivancos-Calvet, Joan</creatorcontrib><creatorcontrib>Alemán, Carlos</creatorcontrib><creatorcontrib>Iribarren, José Ignacio</creatorcontrib><creatorcontrib>Armelin, Elaine</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Recercat</collection><jtitle>Progress in organic coatings</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Iribarren-Mateos, José Ignacio</au><au>Buj-Corral, Irene</au><au>Vivancos-Calvet, Joan</au><au>Alemán, Carlos</au><au>Iribarren, José Ignacio</au><au>Armelin, Elaine</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Silane and epoxy coatings: A bilayer system to protect AA2024 alloy</atitle><jtitle>Progress in organic coatings</jtitle><date>2015-04</date><risdate>2015</risdate><volume>81</volume><spage>47</spage><epage>57</epage><pages>47-57</pages><issn>0300-9440</issn><eissn>1873-331X</eissn><abstract>•Silane and epoxy bilayer coatings offer good protection to AA2024 surface.•Non-blistering formation thanks to the good adherence between interfaces.•Synergistic effect of silane and organophosphonic acid for good to metal substrate.
This work has proved that a good combination of a simple and fast metal pre-treatment, followed by the deposition of a thin layer of an organic–inorganic silane coating and further layer of epoxy coatings, are able to protect the aluminium alloy AA2024-T3 against corrosion in high concentrations of NaCl solution. The alloy AA2024 is one of the most employed aluminium alloy in structural applications due to its good mechanical properties. However, AA2024 alloy series commonly presents galvanic corrosion due to the rich content of copper element. The influence of different surface pre-treatments, the presence of a silane layer as pre-coating treatment and the influence of phosphonic acids combined with the silane layer on the corrosion protection and adhesion to the aluminium alloy have been examined using accelerated corrosion tests. High roughness and the presence of a pre-coating film between the metal surface and the organic coating were essential for a good protection and resistance to blistering appearance in the surface of AA2024-T3.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.porgcoat.2014.12.014</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-0658-7696</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Elsevier ScienceDirect Journals; Recercat |
| subjects | Aliatges Alloy systems Alumini Aluminium alloy Aluminum base alloys aluminum-alloy Coatings Corrosion assays Corrosion prevention corrosion protection Corrosió Enginyeria química Epoxy coatings hybrid materials inhibition native-oxide surface Organic coatings Protective coatings Revestiments protectors Roughness self-assembled monolayers Silane compounds Silanes sol-gel coatings Sol-gel technology spectroscopy Titanium alloys Àrees temàtiques de la UPC |
| title | Silane and epoxy coatings: A bilayer system to protect AA2024 alloy |
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