Preparation and characteristics of phosphate conversion films on AZ31B magnesium alloy
Three types of phosphate conversion films, Ca–P, Mn–P, and Ca–Mn–P films, were prepared on AZ31B magnesium alloy from phosphate aqueous solutions containing Ca, Mn, or Ca and Mn ions. Chemical and corrosive resistant properties of the films were characterized using XRD, FT-IR, XPS, XRF, GD-OES, SEM,...
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| Veröffentlicht in: | Journal of Japan Institute of Light Metals 2017/10/30, Vol.67(10), pp.497-502 |
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| creator | Tsunakawa, Mika Shimada, Yuta Nakamura, Kae Kikuchi, Kazato Matsumura, Takeki Ishizaki, Takahiro |
| description | Three types of phosphate conversion films, Ca–P, Mn–P, and Ca–Mn–P films, were prepared on AZ31B magnesium alloy from phosphate aqueous solutions containing Ca, Mn, or Ca and Mn ions. Chemical and corrosive resistant properties of the films were characterized using XRD, FT-IR, XPS, XRF, GD-OES, SEM, and potentiodynamic polarization curve measurements. No crystalline phase originated from the film was observed in XRD patterns for all samples. XRF studies revealed that elemental P was included in all films. FT-IR and XPS spectra demonstrated that the Ca–P and Mn–P films were composed of MgO, Mg(OH)2, Mg3(PO4)2, CaCO3, Ca3(PO4)2, Ca(OH)2, CaHPO4, and MgO, Mg(OH)2, Mg3(PO4)2, MnHPO4, Mn(OH)2, respectively, and the Ca–Mn–P films contained MgO, Mg(OH)2, Mg3(PO4)2, CaCO3, Ca3(PO4)2, Ca(OH)2, CaHPO4, MnHPO4, Mn(OH)2. The formation mechanism for all films was also proposed. Potentiodynamic polarization curves indicated that the corrosion current density of the Mn–P film was found to show the lowest value among all films prepared in this study. |
| doi_str_mv | 10.2464/jilm.67.497 |
| format | Article |
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Chemical and corrosive resistant properties of the films were characterized using XRD, FT-IR, XPS, XRF, GD-OES, SEM, and potentiodynamic polarization curve measurements. No crystalline phase originated from the film was observed in XRD patterns for all samples. XRF studies revealed that elemental P was included in all films. FT-IR and XPS spectra demonstrated that the Ca–P and Mn–P films were composed of MgO, Mg(OH)2, Mg3(PO4)2, CaCO3, Ca3(PO4)2, Ca(OH)2, CaHPO4, and MgO, Mg(OH)2, Mg3(PO4)2, MnHPO4, Mn(OH)2, respectively, and the Ca–Mn–P films contained MgO, Mg(OH)2, Mg3(PO4)2, CaCO3, Ca3(PO4)2, Ca(OH)2, CaHPO4, MnHPO4, Mn(OH)2. The formation mechanism for all films was also proposed. Potentiodynamic polarization curves indicated that the corrosion current density of the Mn–P film was found to show the lowest value among all films prepared in this study.</description><identifier>ISSN: 0451-5994</identifier><identifier>EISSN: 1880-8018</identifier><identifier>DOI: 10.2464/jilm.67.497</identifier><language>eng ; jpn</language><publisher>Tokyo: The Japan Institute of Light Metals</publisher><subject>Aqueous solutions ; Calcium carbonate ; Calcium phosphates ; Corrosion currents ; Corrosion mechanisms ; Corrosion resistance ; Corrosion tests ; magnesium alloy ; Magnesium alloys ; Magnesium base alloys ; Magnesium oxide ; Magnesium phosphate ; Manganese ; phosphate conversion film ; Polarization ; polarization curve ; Slaked lime ; X ray photoelectron spectroscopy</subject><ispartof>Journal of Japan Institute of Light Metals, 2017/10/30, Vol.67(10), pp.497-502</ispartof><rights>2017 The Japan Institute of Light Metals</rights><rights>Copyright Japan Science and Technology Agency 2017</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2727-59a4365f04301d956cf8cdf4eb3e0b2ab35be9c0af4439bb7c6346d1076426b73</citedby><cites>FETCH-LOGICAL-c2727-59a4365f04301d956cf8cdf4eb3e0b2ab35be9c0af4439bb7c6346d1076426b73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>Tsunakawa, Mika</creatorcontrib><creatorcontrib>Shimada, Yuta</creatorcontrib><creatorcontrib>Nakamura, Kae</creatorcontrib><creatorcontrib>Kikuchi, Kazato</creatorcontrib><creatorcontrib>Matsumura, Takeki</creatorcontrib><creatorcontrib>Ishizaki, Takahiro</creatorcontrib><title>Preparation and characteristics of phosphate conversion films on AZ31B magnesium alloy</title><title>Journal of Japan Institute of Light Metals</title><addtitle>J. Japan Inst. Light Metals</addtitle><description>Three types of phosphate conversion films, Ca–P, Mn–P, and Ca–Mn–P films, were prepared on AZ31B magnesium alloy from phosphate aqueous solutions containing Ca, Mn, or Ca and Mn ions. Chemical and corrosive resistant properties of the films were characterized using XRD, FT-IR, XPS, XRF, GD-OES, SEM, and potentiodynamic polarization curve measurements. No crystalline phase originated from the film was observed in XRD patterns for all samples. XRF studies revealed that elemental P was included in all films. FT-IR and XPS spectra demonstrated that the Ca–P and Mn–P films were composed of MgO, Mg(OH)2, Mg3(PO4)2, CaCO3, Ca3(PO4)2, Ca(OH)2, CaHPO4, and MgO, Mg(OH)2, Mg3(PO4)2, MnHPO4, Mn(OH)2, respectively, and the Ca–Mn–P films contained MgO, Mg(OH)2, Mg3(PO4)2, CaCO3, Ca3(PO4)2, Ca(OH)2, CaHPO4, MnHPO4, Mn(OH)2. The formation mechanism for all films was also proposed. Potentiodynamic polarization curves indicated that the corrosion current density of the Mn–P film was found to show the lowest value among all films prepared in this study.</description><subject>Aqueous solutions</subject><subject>Calcium carbonate</subject><subject>Calcium phosphates</subject><subject>Corrosion currents</subject><subject>Corrosion mechanisms</subject><subject>Corrosion resistance</subject><subject>Corrosion tests</subject><subject>magnesium alloy</subject><subject>Magnesium alloys</subject><subject>Magnesium base alloys</subject><subject>Magnesium oxide</subject><subject>Magnesium phosphate</subject><subject>Manganese</subject><subject>phosphate conversion film</subject><subject>Polarization</subject><subject>polarization curve</subject><subject>Slaked lime</subject><subject>X ray photoelectron spectroscopy</subject><issn>0451-5994</issn><issn>1880-8018</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNo9kEtLAzEQgIMoWGpP_oGAR9ma1yabY1t8QUEP6sFLSLJJu2W7WZOt0H9vlkovMwzzzYMPgFuM5oRx9rBr2v2cizmT4gJMcFWhokK4ugQTxEpclFKyazBLqTGIICaILPEEfL1H1-uohyZ0UHc1tNtc2cHFJg2NTTB42G9D6rd6cNCG7tfFNLI-X8vdDi6-KV7Cvd50LjWHPdRtG4434MrrNrnZf56Cz6fHj9VLsX57fl0t1oUlgoj8k2aUlx4xinAtS259ZWvPnKEOGaINLY2TFmnPGJXGCMsp4zVGgjPCjaBTcHfa28fwc3BpULtwiF0-qQjCrJQVy7un4P5E2RhSis6rPjZ7HY8KIzW6U6M7xYXK7jK9PNG7NOiNO7M6ZiGtO7N5NkcuMEL43Bz1KdfRP5t5eek</recordid><startdate>2017</startdate><enddate>2017</enddate><creator>Tsunakawa, Mika</creator><creator>Shimada, Yuta</creator><creator>Nakamura, Kae</creator><creator>Kikuchi, Kazato</creator><creator>Matsumura, Takeki</creator><creator>Ishizaki, Takahiro</creator><general>The Japan Institute of Light Metals</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7TA</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>2017</creationdate><title>Preparation and characteristics of phosphate conversion films on AZ31B magnesium alloy</title><author>Tsunakawa, Mika ; Shimada, Yuta ; Nakamura, Kae ; Kikuchi, Kazato ; Matsumura, Takeki ; Ishizaki, Takahiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2727-59a4365f04301d956cf8cdf4eb3e0b2ab35be9c0af4439bb7c6346d1076426b73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2017</creationdate><topic>Aqueous solutions</topic><topic>Calcium carbonate</topic><topic>Calcium phosphates</topic><topic>Corrosion currents</topic><topic>Corrosion mechanisms</topic><topic>Corrosion resistance</topic><topic>Corrosion tests</topic><topic>magnesium alloy</topic><topic>Magnesium alloys</topic><topic>Magnesium base alloys</topic><topic>Magnesium oxide</topic><topic>Magnesium phosphate</topic><topic>Manganese</topic><topic>phosphate conversion film</topic><topic>Polarization</topic><topic>polarization curve</topic><topic>Slaked lime</topic><topic>X ray photoelectron spectroscopy</topic><toplevel>online_resources</toplevel><creatorcontrib>Tsunakawa, Mika</creatorcontrib><creatorcontrib>Shimada, Yuta</creatorcontrib><creatorcontrib>Nakamura, Kae</creatorcontrib><creatorcontrib>Kikuchi, Kazato</creatorcontrib><creatorcontrib>Matsumura, Takeki</creatorcontrib><creatorcontrib>Ishizaki, Takahiro</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of Japan Institute of Light Metals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tsunakawa, Mika</au><au>Shimada, Yuta</au><au>Nakamura, Kae</au><au>Kikuchi, Kazato</au><au>Matsumura, Takeki</au><au>Ishizaki, Takahiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation and characteristics of phosphate conversion films on AZ31B magnesium alloy</atitle><jtitle>Journal of Japan Institute of Light Metals</jtitle><addtitle>J. Japan Inst. Light Metals</addtitle><date>2017</date><risdate>2017</risdate><volume>67</volume><issue>10</issue><spage>497</spage><epage>502</epage><pages>497-502</pages><issn>0451-5994</issn><eissn>1880-8018</eissn><abstract>Three types of phosphate conversion films, Ca–P, Mn–P, and Ca–Mn–P films, were prepared on AZ31B magnesium alloy from phosphate aqueous solutions containing Ca, Mn, or Ca and Mn ions. Chemical and corrosive resistant properties of the films were characterized using XRD, FT-IR, XPS, XRF, GD-OES, SEM, and potentiodynamic polarization curve measurements. No crystalline phase originated from the film was observed in XRD patterns for all samples. XRF studies revealed that elemental P was included in all films. FT-IR and XPS spectra demonstrated that the Ca–P and Mn–P films were composed of MgO, Mg(OH)2, Mg3(PO4)2, CaCO3, Ca3(PO4)2, Ca(OH)2, CaHPO4, and MgO, Mg(OH)2, Mg3(PO4)2, MnHPO4, Mn(OH)2, respectively, and the Ca–Mn–P films contained MgO, Mg(OH)2, Mg3(PO4)2, CaCO3, Ca3(PO4)2, Ca(OH)2, CaHPO4, MnHPO4, Mn(OH)2. The formation mechanism for all films was also proposed. Potentiodynamic polarization curves indicated that the corrosion current density of the Mn–P film was found to show the lowest value among all films prepared in this study.</abstract><cop>Tokyo</cop><pub>The Japan Institute of Light Metals</pub><doi>10.2464/jilm.67.497</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aqueous solutions Calcium carbonate Calcium phosphates Corrosion currents Corrosion mechanisms Corrosion resistance Corrosion tests magnesium alloy Magnesium alloys Magnesium base alloys Magnesium oxide Magnesium phosphate Manganese phosphate conversion film Polarization polarization curve Slaked lime X ray photoelectron spectroscopy |
| title | Preparation and characteristics of phosphate conversion films on AZ31B magnesium alloy |
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