Effect of ceramics coating using sol–gel processing on corrosion resistance and age hardening of AZ80 magnesium alloy substrate
Extruded plates of AZ80 magnesium alloy were coated with CeO2 and/or MgO ceramics by sol–gel processing. We investigated the effects of heat treatment conditions, under which the ceramic thin film was formed, on the mechanical properties and corrosion resistance of the substrates. Single layer (CeO2...
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| Veröffentlicht in: | Surface & coatings technology 2013-08, Vol.228, p.59-67 |
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| creator | Harada, Yohei Kumai, Shinji |
| description | Extruded plates of AZ80 magnesium alloy were coated with CeO2 and/or MgO ceramics by sol–gel processing. We investigated the effects of heat treatment conditions, under which the ceramic thin film was formed, on the mechanical properties and corrosion resistance of the substrates. Single layer (CeO2 or MgO) and double layer (CeO2/MgO) ceramic thin films were successfully formed from precursor solution by the sol–gel processing under optimal heat treatment, in which the AZ80 original substrates were age-hardened. The corrosion resistance of AZ80 magnesium alloy substrates evaluated by the salt water immersion test was found to be improved by ceramic coating and microstructural change of the original substrate during coating process. The double layer ceramic coating was superior to the single layer coatings in terms of corrosion resistance. The acquisition of corrosion resistance in AZ80 magnesium alloy substrates could be applied simultaneously by sol–gel processing, while the substrates were age-hardened by the heat treatment.
•AZ80 magnesium alloy plates were coated with CeO2 and/or MgO by sol–gel processing.•We investigated the effects of heat treatment conditions on the substrate properties.•The corrosion resistance of substrates was improved by the ceramic coatings.•The corrosion resistance was also enhanced by a microstructural change.•The double layer ceramic coating was superior to the single layer coating. |
| doi_str_mv | 10.1016/j.surfcoat.2013.04.004 |
| format | Article |
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•AZ80 magnesium alloy plates were coated with CeO2 and/or MgO by sol–gel processing.•We investigated the effects of heat treatment conditions on the substrate properties.•The corrosion resistance of substrates was improved by the ceramic coatings.•The corrosion resistance was also enhanced by a microstructural change.•The double layer ceramic coating was superior to the single layer coating.</description><identifier>ISSN: 0257-8972</identifier><identifier>EISSN: 1879-3347</identifier><identifier>DOI: 10.1016/j.surfcoat.2013.04.004</identifier><identifier>CODEN: SCTEEJ</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Age hardening ; Applied sciences ; AZ80 magnesium alloy ; Ceramic coating ; Ceramic coatings ; Ceramics ; Coatings ; Corrosion ; Corrosion environments ; Corrosion resistance ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Heat treatment ; Magnesium base alloys ; Magnesium oxide ; Materials science ; Metals. Metallurgy ; Nonmetallic coatings ; Physics ; Production techniques ; Protective coatings ; Sol gel process ; Sol–gel processing ; Surface treatment ; Surface treatments</subject><ispartof>Surface & coatings technology, 2013-08, Vol.228, p.59-67</ispartof><rights>2013 Elsevier B.V.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c452t-68136a54d9dad62fb989b28b7af2fdaaf53746acee64d67c72a612f31846f2c83</citedby><cites>FETCH-LOGICAL-c452t-68136a54d9dad62fb989b28b7af2fdaaf53746acee64d67c72a612f31846f2c83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.surfcoat.2013.04.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27512532$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Harada, Yohei</creatorcontrib><creatorcontrib>Kumai, Shinji</creatorcontrib><title>Effect of ceramics coating using sol–gel processing on corrosion resistance and age hardening of AZ80 magnesium alloy substrate</title><title>Surface & coatings technology</title><description>Extruded plates of AZ80 magnesium alloy were coated with CeO2 and/or MgO ceramics by sol–gel processing. We investigated the effects of heat treatment conditions, under which the ceramic thin film was formed, on the mechanical properties and corrosion resistance of the substrates. Single layer (CeO2 or MgO) and double layer (CeO2/MgO) ceramic thin films were successfully formed from precursor solution by the sol–gel processing under optimal heat treatment, in which the AZ80 original substrates were age-hardened. The corrosion resistance of AZ80 magnesium alloy substrates evaluated by the salt water immersion test was found to be improved by ceramic coating and microstructural change of the original substrate during coating process. The double layer ceramic coating was superior to the single layer coatings in terms of corrosion resistance. The acquisition of corrosion resistance in AZ80 magnesium alloy substrates could be applied simultaneously by sol–gel processing, while the substrates were age-hardened by the heat treatment.
•AZ80 magnesium alloy plates were coated with CeO2 and/or MgO by sol–gel processing.•We investigated the effects of heat treatment conditions on the substrate properties.•The corrosion resistance of substrates was improved by the ceramic coatings.•The corrosion resistance was also enhanced by a microstructural change.•The double layer ceramic coating was superior to the single layer coating.</description><subject>Age hardening</subject><subject>Applied sciences</subject><subject>AZ80 magnesium alloy</subject><subject>Ceramic coating</subject><subject>Ceramic coatings</subject><subject>Ceramics</subject><subject>Coatings</subject><subject>Corrosion</subject><subject>Corrosion environments</subject><subject>Corrosion resistance</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Heat treatment</subject><subject>Magnesium base alloys</subject><subject>Magnesium oxide</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Nonmetallic coatings</subject><subject>Physics</subject><subject>Production techniques</subject><subject>Protective coatings</subject><subject>Sol gel process</subject><subject>Sol–gel processing</subject><subject>Surface treatment</subject><subject>Surface treatments</subject><issn>0257-8972</issn><issn>1879-3347</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqNkc1u1DAQxyMEEkvpKyBfkLgk9Vfs5EZVlQ-pEhd66cWadcaLV0lcPAlSb_QZeEOepN5u4QoX27J-M6P5_6rqjeCN4MKc7Rtac_AJlkZyoRquG871s2ojOtvXSmn7vNpw2dq66618Wb0i2nPOhe31prq_DAH9wlJgHjNM0RM7tIrzjq10OCmNv3_-2uHIbnPySI-faS5UzolieWWkSAvMHhnMA4Mdsm-QB5wfycDObzrOJtjNhVsnBuOY7hitW1oyLPi6ehFgJDx9uk-q6w-XXy8-1VdfPn6-OL-qvW7lUptOKAOtHvoBBiPDtu_6rey2FoIMA0BoldUGPKLRg7HeSjBCBiU6bYL0nTqp3h37ljW-r0iLmyJ5HEeYMa3khOlaa1qj_ge1olWc96qg5oj6EgZlDO42xwnynRPcHfS4vfujxx30OK5d0VMK3z7NAPIwhlzyi_S3WtpWyFbJwr0_cliy-RExO_IRS9ZDzEWcG1L816gHJc2scQ</recordid><startdate>20130815</startdate><enddate>20130815</enddate><creator>Harada, Yohei</creator><creator>Kumai, Shinji</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QQ</scope><scope>7SE</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20130815</creationdate><title>Effect of ceramics coating using sol–gel processing on corrosion resistance and age hardening of AZ80 magnesium alloy substrate</title><author>Harada, Yohei ; Kumai, Shinji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c452t-68136a54d9dad62fb989b28b7af2fdaaf53746acee64d67c72a612f31846f2c83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Age hardening</topic><topic>Applied sciences</topic><topic>AZ80 magnesium alloy</topic><topic>Ceramic coating</topic><topic>Ceramic coatings</topic><topic>Ceramics</topic><topic>Coatings</topic><topic>Corrosion</topic><topic>Corrosion environments</topic><topic>Corrosion resistance</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Heat treatment</topic><topic>Magnesium base alloys</topic><topic>Magnesium oxide</topic><topic>Materials science</topic><topic>Metals. Metallurgy</topic><topic>Nonmetallic coatings</topic><topic>Physics</topic><topic>Production techniques</topic><topic>Protective coatings</topic><topic>Sol gel process</topic><topic>Sol–gel processing</topic><topic>Surface treatment</topic><topic>Surface treatments</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Harada, Yohei</creatorcontrib><creatorcontrib>Kumai, Shinji</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Ceramic 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>Surface & coatings technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Harada, Yohei</au><au>Kumai, Shinji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of ceramics coating using sol–gel processing on corrosion resistance and age hardening of AZ80 magnesium alloy substrate</atitle><jtitle>Surface & coatings technology</jtitle><date>2013-08-15</date><risdate>2013</risdate><volume>228</volume><spage>59</spage><epage>67</epage><pages>59-67</pages><issn>0257-8972</issn><eissn>1879-3347</eissn><coden>SCTEEJ</coden><abstract>Extruded plates of AZ80 magnesium alloy were coated with CeO2 and/or MgO ceramics by sol–gel processing. We investigated the effects of heat treatment conditions, under which the ceramic thin film was formed, on the mechanical properties and corrosion resistance of the substrates. Single layer (CeO2 or MgO) and double layer (CeO2/MgO) ceramic thin films were successfully formed from precursor solution by the sol–gel processing under optimal heat treatment, in which the AZ80 original substrates were age-hardened. The corrosion resistance of AZ80 magnesium alloy substrates evaluated by the salt water immersion test was found to be improved by ceramic coating and microstructural change of the original substrate during coating process. The double layer ceramic coating was superior to the single layer coatings in terms of corrosion resistance. The acquisition of corrosion resistance in AZ80 magnesium alloy substrates could be applied simultaneously by sol–gel processing, while the substrates were age-hardened by the heat treatment.
•AZ80 magnesium alloy plates were coated with CeO2 and/or MgO by sol–gel processing.•We investigated the effects of heat treatment conditions on the substrate properties.•The corrosion resistance of substrates was improved by the ceramic coatings.•The corrosion resistance was also enhanced by a microstructural change.•The double layer ceramic coating was superior to the single layer coating.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.surfcoat.2013.04.004</doi><tpages>9</tpages></addata></record> |
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| ispartof | Surface & coatings technology, 2013-08, Vol.228, p.59-67 |
| issn | 0257-8972 1879-3347 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Age hardening Applied sciences AZ80 magnesium alloy Ceramic coating Ceramic coatings Ceramics Coatings Corrosion Corrosion environments Corrosion resistance Cross-disciplinary physics: materials science rheology Exact sciences and technology Heat treatment Magnesium base alloys Magnesium oxide Materials science Metals. Metallurgy Nonmetallic coatings Physics Production techniques Protective coatings Sol gel process Sol–gel processing Surface treatment Surface treatments |
| title | Effect of ceramics coating using sol–gel processing on corrosion resistance and age hardening of AZ80 magnesium alloy substrate |
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