Accurate evaluations of both porosity and tortuosity of anodic films grown on rolled AA 1050 and on rolled or machined AA 2024 T3
The porosity of the anodic films grown on aluminium substrates depends on various operating conditions related to the anodization electrolyte and to the applied electrical parameters, as well as to the substrate itself. In the present study, three different aluminium substrates were studied and anod...
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| Veröffentlicht in: | Surface and interface analysis 2019-12, Vol.51 (12), p.1184-1193 |
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| container_title | Surface and interface analysis |
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| creator | Giffard, Kévin Arurault, Laurent Blanc, Christine Di Caprio, Dung |
| description | The porosity of the anodic films grown on aluminium substrates depends on various operating conditions related to the anodization electrolyte and to the applied electrical parameters, as well as to the substrate itself. In the present study, three different aluminium substrates were studied and anodized: AA 1050 (rolled; thickness = 1 mm), AA 2024 T3 (rolled; 1 mm), and AA 2024 T3 (machined; 3 mm). For each type of anodic film, the porosity, as well as its changes during anodization, was accurately characterized using both field‐emission gun scanning electron microscopy (FEG‐SEM) and a reanodization technique. Moreover, for the first time, the corresponding tortuosity was quantified for all studied substrates. Results for rolled AA 2024 T3 and for machined AA 2024 T3 especially showed significant differences in tortuosity values, contributing towards clarifying, in part, their different wettability characteristics or anticorrosion behaviour, so far not clearly explained. |
| doi_str_mv | 10.1002/sia.6606 |
| format | Article |
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In the present study, three different aluminium substrates were studied and anodized: AA 1050 (rolled; thickness = 1 mm), AA 2024 T3 (rolled; 1 mm), and AA 2024 T3 (machined; 3 mm). For each type of anodic film, the porosity, as well as its changes during anodization, was accurately characterized using both field‐emission gun scanning electron microscopy (FEG‐SEM) and a reanodization technique. Moreover, for the first time, the corresponding tortuosity was quantified for all studied substrates. 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In the present study, three different aluminium substrates were studied and anodized: AA 1050 (rolled; thickness = 1 mm), AA 2024 T3 (rolled; 1 mm), and AA 2024 T3 (machined; 3 mm). For each type of anodic film, the porosity, as well as its changes during anodization, was accurately characterized using both field‐emission gun scanning electron microscopy (FEG‐SEM) and a reanodization technique. Moreover, for the first time, the corresponding tortuosity was quantified for all studied substrates. Results for rolled AA 2024 T3 and for machined AA 2024 T3 especially showed significant differences in tortuosity values, contributing towards clarifying, in part, their different wettability characteristics or anticorrosion behaviour, so far not clearly explained.</description><subject>aluminium alloys</subject><subject>Aluminum</subject><subject>anodic films</subject><subject>anodization</subject><subject>Anodizing</subject><subject>Chemical Sciences</subject><subject>Corrosion prevention</subject><subject>Engineering Sciences</subject><subject>Materials</subject><subject>or physical chemistry</subject><subject>Porosity</subject><subject>Substrates</subject><subject>Theoretical and</subject><subject>Tortuosity</subject><subject>Wettability</subject><issn>0142-2421</issn><issn>1096-9918</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp10c9LwzAUB_AgCs4p-CcEvOih8yXpj_RYhrrBwIPzHNI0cRldM5N2Y0f_c7tV9OQp5OXzHo98EbolMCEA9DFYOUlTSM_QiECeRnlO-DkaAYlpRGNKLtFVCGsA4IynI_RVKNV52Wqsd7LuZGtdE7AzuHTtCm-dd8G2ByybCrfOt91w7d9l4yqrsLH1JuAP7_YNdg32rq51hYsCE0jg1PZXdR5vpFrZZhAUaIyX7BpdGFkHffNzjtH789NyOosWry_zabGIFEtJGsUaKibBQFaRimsus1yrklFlTFlqlSmqCaTKaM1JmVc0yfqOvOQ0lgSyuGJj9DDMXclabL3dSH8QTloxKxbiWAPK4pwzuiO9vRvs1rvPTodWrF3nm349QRmhccITAr26H5Tqfyl4bX7HEhDHMEQfhjiG0dNooHtb68O_TrzNi5P_Bk9iiVA</recordid><startdate>201912</startdate><enddate>201912</enddate><creator>Giffard, Kévin</creator><creator>Arurault, Laurent</creator><creator>Blanc, Christine</creator><creator>Di Caprio, Dung</creator><general>Wiley Subscription Services, Inc</general><general>Wiley-Blackwell</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0003-2364-2236</orcidid><orcidid>https://orcid.org/0000-0001-6239-7427</orcidid><orcidid>https://orcid.org/0000-0003-2183-0671</orcidid></search><sort><creationdate>201912</creationdate><title>Accurate evaluations of both porosity and tortuosity of anodic films grown on rolled AA 1050 and on rolled or machined AA 2024 T3</title><author>Giffard, Kévin ; Arurault, Laurent ; Blanc, Christine ; Di Caprio, Dung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3616-4e0d3a0f07d1d8e8a79ecb32cffbbec7c2e106cfee81b9d2574e09b824a1074d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>aluminium alloys</topic><topic>Aluminum</topic><topic>anodic films</topic><topic>anodization</topic><topic>Anodizing</topic><topic>Chemical Sciences</topic><topic>Corrosion prevention</topic><topic>Engineering Sciences</topic><topic>Materials</topic><topic>or physical chemistry</topic><topic>Porosity</topic><topic>Substrates</topic><topic>Theoretical and</topic><topic>Tortuosity</topic><topic>Wettability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Giffard, Kévin</creatorcontrib><creatorcontrib>Arurault, Laurent</creatorcontrib><creatorcontrib>Blanc, Christine</creatorcontrib><creatorcontrib>Di Caprio, Dung</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Surface and interface analysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Giffard, Kévin</au><au>Arurault, Laurent</au><au>Blanc, Christine</au><au>Di Caprio, Dung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Accurate evaluations of both porosity and tortuosity of anodic films grown on rolled AA 1050 and on rolled or machined AA 2024 T3</atitle><jtitle>Surface and interface analysis</jtitle><date>2019-12</date><risdate>2019</risdate><volume>51</volume><issue>12</issue><spage>1184</spage><epage>1193</epage><pages>1184-1193</pages><issn>0142-2421</issn><eissn>1096-9918</eissn><abstract>The porosity of the anodic films grown on aluminium substrates depends on various operating conditions related to the anodization electrolyte and to the applied electrical parameters, as well as to the substrate itself. In the present study, three different aluminium substrates were studied and anodized: AA 1050 (rolled; thickness = 1 mm), AA 2024 T3 (rolled; 1 mm), and AA 2024 T3 (machined; 3 mm). For each type of anodic film, the porosity, as well as its changes during anodization, was accurately characterized using both field‐emission gun scanning electron microscopy (FEG‐SEM) and a reanodization technique. Moreover, for the first time, the corresponding tortuosity was quantified for all studied substrates. 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| subjects | aluminium alloys Aluminum anodic films anodization Anodizing Chemical Sciences Corrosion prevention Engineering Sciences Materials or physical chemistry Porosity Substrates Theoretical and Tortuosity Wettability |
| title | Accurate evaluations of both porosity and tortuosity of anodic films grown on rolled AA 1050 and on rolled or machined AA 2024 T3 |
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