An anti-stripping and self-healing micro-arc oxidation/acrylamide gel composite coating on magnesium alloy AZ31
•The PAM gels is a new corrosion-triggered inhibiting structure.•The inhibitor ions Ce4+ could change the morphology of the products film.•The absorption and bridging of PAM gels about the corrosion product. Biomaterial polyacrylamide (PAM) hydrogel was first studied for self-healing coatings of Mg...
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| Veröffentlicht in: | Materials letters 2020-02, Vol.260, p.126912, Article 126912 |
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| container_title | Materials letters |
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| creator | Guo, Jingjing Liu, Xianfeng Du, Keqin Guo, Quanzhong Wang, Yong Liu, Yunyan Feng, Li |
| description | •The PAM gels is a new corrosion-triggered inhibiting structure.•The inhibitor ions Ce4+ could change the morphology of the products film.•The absorption and bridging of PAM gels about the corrosion product.
Biomaterial polyacrylamide (PAM) hydrogel was first studied for self-healing coatings of Mg alloys. In this work, a PAM gel with Ce4+ inhibitor was in-situ composited on the surface of micro-arc oxidation treated AZ31 Mg alloy. The results indicated that the scratched samples with the composite coating could avoid pitting corrosions and self-heal in neutral salt spray test (NSST). XPS and SEM-EDS analysis reveal that the self-healing performance was ascribable to the inhibition of Ce4+ and the bridge adsorption of PAM gels. Moreover, the results of open circuit potential and polarization curve indicate that the self-healing product film has good corrosion resistance. |
| doi_str_mv | 10.1016/j.matlet.2019.126912 |
| format | Article |
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Biomaterial polyacrylamide (PAM) hydrogel was first studied for self-healing coatings of Mg alloys. In this work, a PAM gel with Ce4+ inhibitor was in-situ composited on the surface of micro-arc oxidation treated AZ31 Mg alloy. The results indicated that the scratched samples with the composite coating could avoid pitting corrosions and self-heal in neutral salt spray test (NSST). XPS and SEM-EDS analysis reveal that the self-healing performance was ascribable to the inhibition of Ce4+ and the bridge adsorption of PAM gels. Moreover, the results of open circuit potential and polarization curve indicate that the self-healing product film has good corrosion resistance.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2019.126912</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Acrylamide ; Alloys ; Biomedical materials ; Cerium ion inhibitor ; Corrosion ; Corrosion inhibitors ; Corrosion products ; Corrosion resistance ; Hydrogels ; Magnesium alloy ; Magnesium base alloys ; Materials science ; Open circuit voltage ; Oxidation ; Pitting (corrosion) ; Polyacrylamide ; Polyacrylamide gel ; Protective coatings ; Salt spray tests ; Self healing materials ; Self-healing coating ; Surfaces ; X ray photoelectron spectroscopy</subject><ispartof>Materials letters, 2020-02, Vol.260, p.126912, Article 126912</ispartof><rights>2019 Elsevier B.V.</rights><rights>Copyright Elsevier BV Feb 1, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-f35b81ee3c915da2c6c0e994881739345b78d9352854fbbe0b531a5acf9ac62e3</citedby><cites>FETCH-LOGICAL-c334t-f35b81ee3c915da2c6c0e994881739345b78d9352854fbbe0b531a5acf9ac62e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matlet.2019.126912$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Guo, Jingjing</creatorcontrib><creatorcontrib>Liu, Xianfeng</creatorcontrib><creatorcontrib>Du, Keqin</creatorcontrib><creatorcontrib>Guo, Quanzhong</creatorcontrib><creatorcontrib>Wang, Yong</creatorcontrib><creatorcontrib>Liu, Yunyan</creatorcontrib><creatorcontrib>Feng, Li</creatorcontrib><title>An anti-stripping and self-healing micro-arc oxidation/acrylamide gel composite coating on magnesium alloy AZ31</title><title>Materials letters</title><description>•The PAM gels is a new corrosion-triggered inhibiting structure.•The inhibitor ions Ce4+ could change the morphology of the products film.•The absorption and bridging of PAM gels about the corrosion product.
Biomaterial polyacrylamide (PAM) hydrogel was first studied for self-healing coatings of Mg alloys. In this work, a PAM gel with Ce4+ inhibitor was in-situ composited on the surface of micro-arc oxidation treated AZ31 Mg alloy. The results indicated that the scratched samples with the composite coating could avoid pitting corrosions and self-heal in neutral salt spray test (NSST). XPS and SEM-EDS analysis reveal that the self-healing performance was ascribable to the inhibition of Ce4+ and the bridge adsorption of PAM gels. Moreover, the results of open circuit potential and polarization curve indicate that the self-healing product film has good corrosion resistance.</description><subject>Acrylamide</subject><subject>Alloys</subject><subject>Biomedical materials</subject><subject>Cerium ion inhibitor</subject><subject>Corrosion</subject><subject>Corrosion inhibitors</subject><subject>Corrosion products</subject><subject>Corrosion resistance</subject><subject>Hydrogels</subject><subject>Magnesium alloy</subject><subject>Magnesium base alloys</subject><subject>Materials science</subject><subject>Open circuit voltage</subject><subject>Oxidation</subject><subject>Pitting (corrosion)</subject><subject>Polyacrylamide</subject><subject>Polyacrylamide gel</subject><subject>Protective coatings</subject><subject>Salt spray tests</subject><subject>Self healing materials</subject><subject>Self-healing coating</subject><subject>Surfaces</subject><subject>X ray photoelectron spectroscopy</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLxDAUhYMoOD7-gYuC687k1TbZCMPgCwbcKIibkKa3Y0rb1CQjzr83Q127ug--cy_nIHRD8JJgUq665aBjD3FJMZFLQktJ6AlaEFGxnMtKnqJFwqq8qKr3c3QRQocx5hLzBXLrMdNjtHmI3k6THXdpbLIAfZt_gu6Pi8Ea73LtTeZ-bKOjdeNKG3_o9WAbyHbQZ8YNkws2QuoSkERuzAa9GyHY_ZDpvneHbP3ByBU6a3Uf4PqvXqK3h_vXzVO-fXl83qy3uWGMx7xlRS0IADOSFI2mpjQYpORCkIpJxou6Eo1kBRUFb-sacF0wogttWqlNSYFdotv57uTd1x5CVJ3b-zG9VJRxykXFBU0Un6lkMAQPrZq8HbQ_KILVMVrVqTladYxWzdEm2d0sg-Tg24JXwVgYDTTWg4mqcfb_A78UgYUF</recordid><startdate>20200201</startdate><enddate>20200201</enddate><creator>Guo, Jingjing</creator><creator>Liu, Xianfeng</creator><creator>Du, Keqin</creator><creator>Guo, Quanzhong</creator><creator>Wang, Yong</creator><creator>Liu, Yunyan</creator><creator>Feng, Li</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20200201</creationdate><title>An anti-stripping and self-healing micro-arc oxidation/acrylamide gel composite coating on magnesium alloy AZ31</title><author>Guo, Jingjing ; Liu, Xianfeng ; Du, Keqin ; Guo, Quanzhong ; Wang, Yong ; Liu, Yunyan ; Feng, Li</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-f35b81ee3c915da2c6c0e994881739345b78d9352854fbbe0b531a5acf9ac62e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Acrylamide</topic><topic>Alloys</topic><topic>Biomedical materials</topic><topic>Cerium ion inhibitor</topic><topic>Corrosion</topic><topic>Corrosion inhibitors</topic><topic>Corrosion products</topic><topic>Corrosion resistance</topic><topic>Hydrogels</topic><topic>Magnesium alloy</topic><topic>Magnesium base alloys</topic><topic>Materials science</topic><topic>Open circuit voltage</topic><topic>Oxidation</topic><topic>Pitting (corrosion)</topic><topic>Polyacrylamide</topic><topic>Polyacrylamide gel</topic><topic>Protective coatings</topic><topic>Salt spray tests</topic><topic>Self healing materials</topic><topic>Self-healing coating</topic><topic>Surfaces</topic><topic>X ray photoelectron spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guo, Jingjing</creatorcontrib><creatorcontrib>Liu, Xianfeng</creatorcontrib><creatorcontrib>Du, Keqin</creatorcontrib><creatorcontrib>Guo, Quanzhong</creatorcontrib><creatorcontrib>Wang, Yong</creatorcontrib><creatorcontrib>Liu, Yunyan</creatorcontrib><creatorcontrib>Feng, Li</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guo, Jingjing</au><au>Liu, Xianfeng</au><au>Du, Keqin</au><au>Guo, Quanzhong</au><au>Wang, Yong</au><au>Liu, Yunyan</au><au>Feng, Li</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An anti-stripping and self-healing micro-arc oxidation/acrylamide gel composite coating on magnesium alloy AZ31</atitle><jtitle>Materials letters</jtitle><date>2020-02-01</date><risdate>2020</risdate><volume>260</volume><spage>126912</spage><pages>126912-</pages><artnum>126912</artnum><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>•The PAM gels is a new corrosion-triggered inhibiting structure.•The inhibitor ions Ce4+ could change the morphology of the products film.•The absorption and bridging of PAM gels about the corrosion product.
Biomaterial polyacrylamide (PAM) hydrogel was first studied for self-healing coatings of Mg alloys. In this work, a PAM gel with Ce4+ inhibitor was in-situ composited on the surface of micro-arc oxidation treated AZ31 Mg alloy. The results indicated that the scratched samples with the composite coating could avoid pitting corrosions and self-heal in neutral salt spray test (NSST). XPS and SEM-EDS analysis reveal that the self-healing performance was ascribable to the inhibition of Ce4+ and the bridge adsorption of PAM gels. Moreover, the results of open circuit potential and polarization curve indicate that the self-healing product film has good corrosion resistance.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2019.126912</doi></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Acrylamide Alloys Biomedical materials Cerium ion inhibitor Corrosion Corrosion inhibitors Corrosion products Corrosion resistance Hydrogels Magnesium alloy Magnesium base alloys Materials science Open circuit voltage Oxidation Pitting (corrosion) Polyacrylamide Polyacrylamide gel Protective coatings Salt spray tests Self healing materials Self-healing coating Surfaces X ray photoelectron spectroscopy |
| title | An anti-stripping and self-healing micro-arc oxidation/acrylamide gel composite coating on magnesium alloy AZ31 |
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