Improvement in corrosion resistance of micro‐arc oxidation coating on PVD Ti‐coated aluminum alloy 7075
Surface treatments are always needed to enhance corrosion‐resistant performance of aluminum (Al) alloys when they are used in seawater environments. The paper aimed to prepare the composite oxide ceramic coating on Al alloy 7075 by combining micro‐arc oxidation (MAO) and magnetron sputtering technol...
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| Veröffentlicht in: | International journal of applied ceramic technology 2022-09, Vol.19 (5), p.2556-2565 |
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| container_title | International journal of applied ceramic technology |
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| creator | Liu, Naiyu Gao, Jianguo Tong, Shu Xu, Luyao Wan, Yong Sun, Huilai |
| description | Surface treatments are always needed to enhance corrosion‐resistant performance of aluminum (Al) alloys when they are used in seawater environments. The paper aimed to prepare the composite oxide ceramic coating on Al alloy 7075 by combining micro‐arc oxidation (MAO) and magnetron sputtering technology. The Al substrate was precoated with titanium (Ti) layer by using the magnetron sputtering technology and then treated by MAO in the alkaline aluminate electrolyte, resulting in a composite MAO coating, which is composed of Al2O3 and TiO2 along with the complex oxide (Al2TiO5). The potentiodynamic polarization and electrochemical impedance spectroscopy were carried out to evaluate the corrosion performance of the MAO coatings in 3.5 wt% NaCl solution. Better corrosion resistance was observed for composite oxide coating than the reference MAO coating on the bare Al, as evidenced by the higher corrosion potential of −0.664 V versus Ag/AgCl and the lower corrosion current density of 4.41 × 10‐6 A/cm2. |
| doi_str_mv | 10.1111/ijac.14066 |
| format | Article |
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The paper aimed to prepare the composite oxide ceramic coating on Al alloy 7075 by combining micro‐arc oxidation (MAO) and magnetron sputtering technology. The Al substrate was precoated with titanium (Ti) layer by using the magnetron sputtering technology and then treated by MAO in the alkaline aluminate electrolyte, resulting in a composite MAO coating, which is composed of Al2O3 and TiO2 along with the complex oxide (Al2TiO5). The potentiodynamic polarization and electrochemical impedance spectroscopy were carried out to evaluate the corrosion performance of the MAO coatings in 3.5 wt% NaCl solution. Better corrosion resistance was observed for composite oxide coating than the reference MAO coating on the bare Al, as evidenced by the higher corrosion potential of −0.664 V versus Ag/AgCl and the lower corrosion current density of 4.41 × 10‐6 A/cm2.</description><identifier>ISSN: 1546-542X</identifier><identifier>EISSN: 1744-7402</identifier><identifier>DOI: 10.1111/ijac.14066</identifier><language>eng</language><publisher>Malden: Wiley Subscription Services, Inc</publisher><subject>Alloys ; Aluminum ; aluminum alloy ; Aluminum base alloys ; Aluminum oxide ; Aluminum titanates ; Ceramic coatings ; Corrosion currents ; Corrosion potential ; Corrosion resistance ; Electrochemical impedance spectroscopy ; Magnetron sputtering ; Marine environment ; micro‐arc oxidation ; Oxidation ; Oxidation resistance ; Oxide coatings ; Performance evaluation ; Protective coatings ; Seawater ; Substrates ; Surface treatment ; Titanium ; Titanium dioxide</subject><ispartof>International journal of applied ceramic technology, 2022-09, Vol.19 (5), p.2556-2565</ispartof><rights>2022 The American Ceramic Society.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2316-f80aec1a835dabcb56ca936bd4a94cd562e62264877ef18e741efe4fb10e54e73</citedby><cites>FETCH-LOGICAL-c2316-f80aec1a835dabcb56ca936bd4a94cd562e62264877ef18e741efe4fb10e54e73</cites><orcidid>0000-0002-3745-3447</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fijac.14066$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fijac.14066$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Liu, Naiyu</creatorcontrib><creatorcontrib>Gao, Jianguo</creatorcontrib><creatorcontrib>Tong, Shu</creatorcontrib><creatorcontrib>Xu, Luyao</creatorcontrib><creatorcontrib>Wan, Yong</creatorcontrib><creatorcontrib>Sun, Huilai</creatorcontrib><title>Improvement in corrosion resistance of micro‐arc oxidation coating on PVD Ti‐coated aluminum alloy 7075</title><title>International journal of applied ceramic technology</title><description>Surface treatments are always needed to enhance corrosion‐resistant performance of aluminum (Al) alloys when they are used in seawater environments. The paper aimed to prepare the composite oxide ceramic coating on Al alloy 7075 by combining micro‐arc oxidation (MAO) and magnetron sputtering technology. The Al substrate was precoated with titanium (Ti) layer by using the magnetron sputtering technology and then treated by MAO in the alkaline aluminate electrolyte, resulting in a composite MAO coating, which is composed of Al2O3 and TiO2 along with the complex oxide (Al2TiO5). The potentiodynamic polarization and electrochemical impedance spectroscopy were carried out to evaluate the corrosion performance of the MAO coatings in 3.5 wt% NaCl solution. Better corrosion resistance was observed for composite oxide coating than the reference MAO coating on the bare Al, as evidenced by the higher corrosion potential of −0.664 V versus Ag/AgCl and the lower corrosion current density of 4.41 × 10‐6 A/cm2.</description><subject>Alloys</subject><subject>Aluminum</subject><subject>aluminum alloy</subject><subject>Aluminum base alloys</subject><subject>Aluminum oxide</subject><subject>Aluminum titanates</subject><subject>Ceramic coatings</subject><subject>Corrosion currents</subject><subject>Corrosion potential</subject><subject>Corrosion resistance</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Magnetron sputtering</subject><subject>Marine environment</subject><subject>micro‐arc oxidation</subject><subject>Oxidation</subject><subject>Oxidation resistance</subject><subject>Oxide coatings</subject><subject>Performance evaluation</subject><subject>Protective coatings</subject><subject>Seawater</subject><subject>Substrates</subject><subject>Surface treatment</subject><subject>Titanium</subject><subject>Titanium dioxide</subject><issn>1546-542X</issn><issn>1744-7402</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kE1OwzAQhS0EEqWw4QSW2CGl2IntJMuq_BVVgkVB7CzHmSCXJAY7AbrjCJyRk-AQ1szmPY2-mdE8hI4pmdFQZ2aj9IwyIsQOmtCUsShlJN4NnjMRcRY_7qMD7zeEJCxJxAQ9L5sXZ9-ggbbDpsXaOme9sS124I3vVKsB2wo3Rjv7_fmlnMb2w5SqGxhtg7ZPONi7h3O8NoEYelBiVfeNafsmmNpucUpSfoj2KlV7OPrTKbq_vFgvrqPV7dVyMV9FOk6oiKqMKNBUZQkvVaELLrTKE1GUTOVMl1zEIOJYsCxNoaIZpIxCBawqKAHOIE2m6GTcGz577cF3cmN714aTMhZ5zrMsT3igTkcqPOa9g0q-ONMot5WUyCFMOYQpf8MMMB3hd1PD9h9SLm_mi3HmB7qPec8</recordid><startdate>202209</startdate><enddate>202209</enddate><creator>Liu, Naiyu</creator><creator>Gao, Jianguo</creator><creator>Tong, Shu</creator><creator>Xu, Luyao</creator><creator>Wan, Yong</creator><creator>Sun, Huilai</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-3745-3447</orcidid></search><sort><creationdate>202209</creationdate><title>Improvement in corrosion resistance of micro‐arc oxidation coating on PVD Ti‐coated aluminum alloy 7075</title><author>Liu, Naiyu ; Gao, Jianguo ; Tong, Shu ; Xu, Luyao ; Wan, Yong ; Sun, Huilai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2316-f80aec1a835dabcb56ca936bd4a94cd562e62264877ef18e741efe4fb10e54e73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Alloys</topic><topic>Aluminum</topic><topic>aluminum alloy</topic><topic>Aluminum base alloys</topic><topic>Aluminum oxide</topic><topic>Aluminum titanates</topic><topic>Ceramic coatings</topic><topic>Corrosion currents</topic><topic>Corrosion potential</topic><topic>Corrosion resistance</topic><topic>Electrochemical impedance spectroscopy</topic><topic>Magnetron sputtering</topic><topic>Marine environment</topic><topic>micro‐arc oxidation</topic><topic>Oxidation</topic><topic>Oxidation resistance</topic><topic>Oxide coatings</topic><topic>Performance evaluation</topic><topic>Protective coatings</topic><topic>Seawater</topic><topic>Substrates</topic><topic>Surface treatment</topic><topic>Titanium</topic><topic>Titanium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Naiyu</creatorcontrib><creatorcontrib>Gao, Jianguo</creatorcontrib><creatorcontrib>Tong, Shu</creatorcontrib><creatorcontrib>Xu, Luyao</creatorcontrib><creatorcontrib>Wan, Yong</creatorcontrib><creatorcontrib>Sun, Huilai</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>International journal of applied ceramic technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Naiyu</au><au>Gao, Jianguo</au><au>Tong, Shu</au><au>Xu, Luyao</au><au>Wan, Yong</au><au>Sun, Huilai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improvement in corrosion resistance of micro‐arc oxidation coating on PVD Ti‐coated aluminum alloy 7075</atitle><jtitle>International journal of applied ceramic technology</jtitle><date>2022-09</date><risdate>2022</risdate><volume>19</volume><issue>5</issue><spage>2556</spage><epage>2565</epage><pages>2556-2565</pages><issn>1546-542X</issn><eissn>1744-7402</eissn><abstract>Surface treatments are always needed to enhance corrosion‐resistant performance of aluminum (Al) alloys when they are used in seawater environments. The paper aimed to prepare the composite oxide ceramic coating on Al alloy 7075 by combining micro‐arc oxidation (MAO) and magnetron sputtering technology. The Al substrate was precoated with titanium (Ti) layer by using the magnetron sputtering technology and then treated by MAO in the alkaline aluminate electrolyte, resulting in a composite MAO coating, which is composed of Al2O3 and TiO2 along with the complex oxide (Al2TiO5). The potentiodynamic polarization and electrochemical impedance spectroscopy were carried out to evaluate the corrosion performance of the MAO coatings in 3.5 wt% NaCl solution. Better corrosion resistance was observed for composite oxide coating than the reference MAO coating on the bare Al, as evidenced by the higher corrosion potential of −0.664 V versus Ag/AgCl and the lower corrosion current density of 4.41 × 10‐6 A/cm2.</abstract><cop>Malden</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/ijac.14066</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-3745-3447</orcidid></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Alloys Aluminum aluminum alloy Aluminum base alloys Aluminum oxide Aluminum titanates Ceramic coatings Corrosion currents Corrosion potential Corrosion resistance Electrochemical impedance spectroscopy Magnetron sputtering Marine environment micro‐arc oxidation Oxidation Oxidation resistance Oxide coatings Performance evaluation Protective coatings Seawater Substrates Surface treatment Titanium Titanium dioxide |
| title | Improvement in corrosion resistance of micro‐arc oxidation coating on PVD Ti‐coated aluminum alloy 7075 |
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