Biomimetic synthesis and characterization of hydroxyapatite/graphene oxide hybrid coating on Mg alloy with enhanced corrosion resistance
An effective biomimetic method for preparation of hydroxyapatite/graphene oxide (HA/GO) hybrid coating on AZ91 magnesium alloy was firstly proposed. AZ91 Mg alloy was first dip coated by GO, which was further used as matrix substrate for biomimetic mineralization of hydroxyapatite (HA) in modified s...
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| Veröffentlicht in: | Materials letters 2015-01, Vol.138, p.25-28 |
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| creator | Gao, Fang Xu, Chenyang Hu, Huating Wang, Qi Gao, Yuanyang Chen, Hao Guo, Qiannan Chen, Dazhong Eder, Dominik |
| description | An effective biomimetic method for preparation of hydroxyapatite/graphene oxide (HA/GO) hybrid coating on AZ91 magnesium alloy was firstly proposed. AZ91 Mg alloy was first dip coated by GO, which was further used as matrix substrate for biomimetic mineralization of hydroxyapatite (HA) in modified simulated body fluid (m-SBF). It has been found that GO greatly promotes nucleation and crystallization for rapid HA growth, forming uniform and dense HA/GO hybrid coating comprised by flake-like HA crystals with high Ca/P ratio (1.65). Meanwhile, the as-formed HA/GO bio-coating could dramatically improve the corrosion resistance of Mg alloys. The corrosion current density of treated Mg alloys was decreased by one order of magnitude as compared to untreated one. Furthermore the effects of various experimental parameters toward the growth of the HA/GO coating on Mg alloys were also investigated.
•GO promotes rapid nucleation and crystallization for HA growth.•Facile to tune the size of HA flakes in hybrid coatings on Mg alloy.•Homogenous and dense HA/GO crystalline coating with high Ca/P ratio (1.65).•HA/GO coating significantly improves the corrosion resistance of Mg alloy. |
| doi_str_mv | 10.1016/j.matlet.2014.09.088 |
| format | Article |
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•GO promotes rapid nucleation and crystallization for HA growth.•Facile to tune the size of HA flakes in hybrid coatings on Mg alloy.•Homogenous and dense HA/GO crystalline coating with high Ca/P ratio (1.65).•HA/GO coating significantly improves the corrosion resistance of Mg alloy.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2014.09.088</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Biomimetic ; Coating ; Corrosion ; Corrosion resistance ; Graphene ; Graphene oxide ; Hydroxyapatite ; Magnesium ; Magnesium base alloys ; Nucleation ; Oxides ; Protective coatings</subject><ispartof>Materials letters, 2015-01, Vol.138, p.25-28</ispartof><rights>2014 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c339t-48b689a1d2255d79667bd73508b9da407fd29404eb028e184263f8fba4e75ea73</citedby><cites>FETCH-LOGICAL-c339t-48b689a1d2255d79667bd73508b9da407fd29404eb028e184263f8fba4e75ea73</cites><orcidid>0000-0001-9625-1223</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matlet.2014.09.088$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Gao, Fang</creatorcontrib><creatorcontrib>Xu, Chenyang</creatorcontrib><creatorcontrib>Hu, Huating</creatorcontrib><creatorcontrib>Wang, Qi</creatorcontrib><creatorcontrib>Gao, Yuanyang</creatorcontrib><creatorcontrib>Chen, Hao</creatorcontrib><creatorcontrib>Guo, Qiannan</creatorcontrib><creatorcontrib>Chen, Dazhong</creatorcontrib><creatorcontrib>Eder, Dominik</creatorcontrib><title>Biomimetic synthesis and characterization of hydroxyapatite/graphene oxide hybrid coating on Mg alloy with enhanced corrosion resistance</title><title>Materials letters</title><description>An effective biomimetic method for preparation of hydroxyapatite/graphene oxide (HA/GO) hybrid coating on AZ91 magnesium alloy was firstly proposed. AZ91 Mg alloy was first dip coated by GO, which was further used as matrix substrate for biomimetic mineralization of hydroxyapatite (HA) in modified simulated body fluid (m-SBF). It has been found that GO greatly promotes nucleation and crystallization for rapid HA growth, forming uniform and dense HA/GO hybrid coating comprised by flake-like HA crystals with high Ca/P ratio (1.65). Meanwhile, the as-formed HA/GO bio-coating could dramatically improve the corrosion resistance of Mg alloys. The corrosion current density of treated Mg alloys was decreased by one order of magnitude as compared to untreated one. Furthermore the effects of various experimental parameters toward the growth of the HA/GO coating on Mg alloys were also investigated.
•GO promotes rapid nucleation and crystallization for HA growth.•Facile to tune the size of HA flakes in hybrid coatings on Mg alloy.•Homogenous and dense HA/GO crystalline coating with high Ca/P ratio (1.65).•HA/GO coating significantly improves the corrosion resistance of Mg alloy.</description><subject>Biomimetic</subject><subject>Coating</subject><subject>Corrosion</subject><subject>Corrosion resistance</subject><subject>Graphene</subject><subject>Graphene oxide</subject><subject>Hydroxyapatite</subject><subject>Magnesium</subject><subject>Magnesium base alloys</subject><subject>Nucleation</subject><subject>Oxides</subject><subject>Protective coatings</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kMFO3DAQhq2qSN0ufYMefOSSYCdObF8qUVRopa24gMTNcuzJxqsk3tqmJTxBHxtHy5nTSDP__8_Mh9BXSkpKaHt5KCedRkhlRSgriSyJEB_QhgpeF0xy-RFtsowXDeePn9DnGA-EECYJ26D_352f3ATJGRyXOQ0QXcR6ttgMOmiTILgXnZyfse_xsNjgnxd9zJ0El_ugjwPMgP2zs5CnXXDZ6PN03uNs-b3Hehz9gv-5NGCYBz0bWBUh-LhmhnVdWrvn6KzXY4Qvb3WLHm5-3F__LHZ3t7-ur3aFqWuZCia6VkhNbVU1jeWybXlned0Q0UmrGeG9rSQjDDpSCaCCVW3di77TDHgDmtdbdHHKPQb_5wliUpOLBsZRz-CfoqJtm9lUkq9SdpKafG0M0KtjcJMOi6JEreDVQZ3AqxW8IlJl8Nn27WSD_MZfB0FF42B93AUwSVnv3g94BaW8khU</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Gao, Fang</creator><creator>Xu, Chenyang</creator><creator>Hu, Huating</creator><creator>Wang, Qi</creator><creator>Gao, Yuanyang</creator><creator>Chen, Hao</creator><creator>Guo, Qiannan</creator><creator>Chen, Dazhong</creator><creator>Eder, Dominik</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SE</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-9625-1223</orcidid></search><sort><creationdate>20150101</creationdate><title>Biomimetic synthesis and characterization of hydroxyapatite/graphene oxide hybrid coating on Mg alloy with enhanced corrosion resistance</title><author>Gao, Fang ; Xu, Chenyang ; Hu, Huating ; Wang, Qi ; Gao, Yuanyang ; Chen, Hao ; Guo, Qiannan ; Chen, Dazhong ; Eder, Dominik</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c339t-48b689a1d2255d79667bd73508b9da407fd29404eb028e184263f8fba4e75ea73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Biomimetic</topic><topic>Coating</topic><topic>Corrosion</topic><topic>Corrosion resistance</topic><topic>Graphene</topic><topic>Graphene oxide</topic><topic>Hydroxyapatite</topic><topic>Magnesium</topic><topic>Magnesium base alloys</topic><topic>Nucleation</topic><topic>Oxides</topic><topic>Protective coatings</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gao, Fang</creatorcontrib><creatorcontrib>Xu, Chenyang</creatorcontrib><creatorcontrib>Hu, Huating</creatorcontrib><creatorcontrib>Wang, Qi</creatorcontrib><creatorcontrib>Gao, Yuanyang</creatorcontrib><creatorcontrib>Chen, Hao</creatorcontrib><creatorcontrib>Guo, Qiannan</creatorcontrib><creatorcontrib>Chen, Dazhong</creatorcontrib><creatorcontrib>Eder, Dominik</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Corrosion Abstracts</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><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gao, Fang</au><au>Xu, Chenyang</au><au>Hu, Huating</au><au>Wang, Qi</au><au>Gao, Yuanyang</au><au>Chen, Hao</au><au>Guo, Qiannan</au><au>Chen, Dazhong</au><au>Eder, Dominik</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Biomimetic synthesis and characterization of hydroxyapatite/graphene oxide hybrid coating on Mg alloy with enhanced corrosion resistance</atitle><jtitle>Materials letters</jtitle><date>2015-01-01</date><risdate>2015</risdate><volume>138</volume><spage>25</spage><epage>28</epage><pages>25-28</pages><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>An effective biomimetic method for preparation of hydroxyapatite/graphene oxide (HA/GO) hybrid coating on AZ91 magnesium alloy was firstly proposed. AZ91 Mg alloy was first dip coated by GO, which was further used as matrix substrate for biomimetic mineralization of hydroxyapatite (HA) in modified simulated body fluid (m-SBF). It has been found that GO greatly promotes nucleation and crystallization for rapid HA growth, forming uniform and dense HA/GO hybrid coating comprised by flake-like HA crystals with high Ca/P ratio (1.65). Meanwhile, the as-formed HA/GO bio-coating could dramatically improve the corrosion resistance of Mg alloys. The corrosion current density of treated Mg alloys was decreased by one order of magnitude as compared to untreated one. Furthermore the effects of various experimental parameters toward the growth of the HA/GO coating on Mg alloys were also investigated.
•GO promotes rapid nucleation and crystallization for HA growth.•Facile to tune the size of HA flakes in hybrid coatings on Mg alloy.•Homogenous and dense HA/GO crystalline coating with high Ca/P ratio (1.65).•HA/GO coating significantly improves the corrosion resistance of Mg alloy.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2014.09.088</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0001-9625-1223</orcidid></addata></record> |
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| ispartof | Materials letters, 2015-01, Vol.138, p.25-28 |
| issn | 0167-577X 1873-4979 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Biomimetic Coating Corrosion Corrosion resistance Graphene Graphene oxide Hydroxyapatite Magnesium Magnesium base alloys Nucleation Oxides Protective coatings |
| title | Biomimetic synthesis and characterization of hydroxyapatite/graphene oxide hybrid coating on Mg alloy with enhanced corrosion resistance |
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