Effect of Y and Ce additions on microstructure and mechanical properties of Mg–Zn–Zr alloys
The effects of trace Y and Ce additions on the microstructure and mechanical properties of extruded Mg–Zn–Zr alloy sheets were investigated. Results indicated that Y and Ce additions led to significant grain refinement and to the formation of Mg–Zn–Ce, Mg3Zn6Y (I-phase) and Mg3Zn3Y2 (W-phase). Mg–Zn...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2015-09, Vol.644, p.247-253 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Liu, Lizi Chen, Xianhua Pan, Fusheng Wang, Ziwei Liu, Wang Cao, Pin Yan, Tao Xu, Xiaoyang |
| description | The effects of trace Y and Ce additions on the microstructure and mechanical properties of extruded Mg–Zn–Zr alloy sheets were investigated. Results indicated that Y and Ce additions led to significant grain refinement and to the formation of Mg–Zn–Ce, Mg3Zn6Y (I-phase) and Mg3Zn3Y2 (W-phase). Mg–Zn–Ce and W-phase were found to possess an orthorhombic and a face centered cubic structure, respectively. Ultimate tensile strength, particularly yield strength, significantly increased after Y and Ce additions, and good elongation was also achieved. The extruded alloy with 0.28wt% Y and 0.52wt% Ce exhibited optimal yield strength (313MPa), ultimate tensile strength (356MPa) and elongation (12.1%). With increasing Y and Ce additions, strain hardening rate decreased, and the yield-to-ultimate tensile strength ratio (σs/σb) increased. Variations in mechanical properties were discussed based on microstructure observation. |
| doi_str_mv | 10.1016/j.msea.2015.07.065 |
| format | Article |
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Results indicated that Y and Ce additions led to significant grain refinement and to the formation of Mg–Zn–Ce, Mg3Zn6Y (I-phase) and Mg3Zn3Y2 (W-phase). Mg–Zn–Ce and W-phase were found to possess an orthorhombic and a face centered cubic structure, respectively. Ultimate tensile strength, particularly yield strength, significantly increased after Y and Ce additions, and good elongation was also achieved. The extruded alloy with 0.28wt% Y and 0.52wt% Ce exhibited optimal yield strength (313MPa), ultimate tensile strength (356MPa) and elongation (12.1%). With increasing Y and Ce additions, strain hardening rate decreased, and the yield-to-ultimate tensile strength ratio (σs/σb) increased. Variations in mechanical properties were discussed based on microstructure observation.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2015.07.065</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Alloys ; Elongation ; Extrusion ; Magnesium base alloys ; Mechanical properties ; Mg–Zn–Zr alloy ; Microstructure ; Ultimate tensile strength ; Yield strength</subject><ispartof>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</title><description>The effects of trace Y and Ce additions on the microstructure and mechanical properties of extruded Mg–Zn–Zr alloy sheets were investigated. Results indicated that Y and Ce additions led to significant grain refinement and to the formation of Mg–Zn–Ce, Mg3Zn6Y (I-phase) and Mg3Zn3Y2 (W-phase). Mg–Zn–Ce and W-phase were found to possess an orthorhombic and a face centered cubic structure, respectively. Ultimate tensile strength, particularly yield strength, significantly increased after Y and Ce additions, and good elongation was also achieved. The extruded alloy with 0.28wt% Y and 0.52wt% Ce exhibited optimal yield strength (313MPa), ultimate tensile strength (356MPa) and elongation (12.1%). With increasing Y and Ce additions, strain hardening rate decreased, and the yield-to-ultimate tensile strength ratio (σs/σb) increased. Variations in mechanical properties were discussed based on microstructure observation.</description><subject>Alloys</subject><subject>Elongation</subject><subject>Extrusion</subject><subject>Magnesium base alloys</subject><subject>Mechanical properties</subject><subject>Mg–Zn–Zr alloy</subject><subject>Microstructure</subject><subject>Ultimate tensile strength</subject><subject>Yield strength</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kLtOJDEQRS20SMwCP0DkkKSbKtvdxhIJGvGSWG0CASSWx64Gj_oxa_esRMY_8Id8Cd07xJtUJedeVR3GThBKBKzP1mWXyZUCsCpBl1BXe2yB51oWysj6B1uAEVhUYOQB-5nzGgBQQbVg9qppyI98aPgTd33gS-IuhDjGoc986HkXfRrymLZ-3Cb6h3TkX10fvWv5Jg0bSmOkPDf8evl8_3ju55G4a9vhLR-x_ca1mY6_9yF7vL56WN4W979v7paX94WXxowFKjxfibrCphGVrlYu1HpFK3DSoPDeARrw0iOGGkh7NbFKKI3KVFKYEOQhO931Thf92VIebRezp7Z1PQ3bbFErpQUYkBMqduj8WE7U2E2KnUtvFsHONu3azjbtbNOCtpPNKXSxC9H0xN9IyWYfqfcUYpr82TDE_8W_AILSf1Y</recordid><startdate>20150901</startdate><enddate>20150901</enddate><creator>Liu, Lizi</creator><creator>Chen, Xianhua</creator><creator>Pan, Fusheng</creator><creator>Wang, Ziwei</creator><creator>Liu, Wang</creator><creator>Cao, Pin</creator><creator>Yan, Tao</creator><creator>Xu, Xiaoyang</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20150901</creationdate><title>Effect of Y and Ce additions on microstructure and mechanical properties of Mg–Zn–Zr alloys</title><author>Liu, Lizi ; Chen, Xianhua ; Pan, Fusheng ; Wang, Ziwei ; Liu, Wang ; Cao, Pin ; Yan, Tao ; Xu, Xiaoyang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c399t-1418b2651ff2575bad67beb0a3912cca0190c3c11d60e7c4b2642471495329dd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Alloys</topic><topic>Elongation</topic><topic>Extrusion</topic><topic>Magnesium base alloys</topic><topic>Mechanical properties</topic><topic>Mg–Zn–Zr alloy</topic><topic>Microstructure</topic><topic>Ultimate tensile strength</topic><topic>Yield strength</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Lizi</creatorcontrib><creatorcontrib>Chen, Xianhua</creatorcontrib><creatorcontrib>Pan, Fusheng</creatorcontrib><creatorcontrib>Wang, Ziwei</creatorcontrib><creatorcontrib>Liu, Wang</creatorcontrib><creatorcontrib>Cao, Pin</creatorcontrib><creatorcontrib>Yan, Tao</creatorcontrib><creatorcontrib>Xu, Xiaoyang</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Lizi</au><au>Chen, Xianhua</au><au>Pan, Fusheng</au><au>Wang, Ziwei</au><au>Liu, Wang</au><au>Cao, Pin</au><au>Yan, Tao</au><au>Xu, Xiaoyang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Y and Ce additions on microstructure and mechanical properties of Mg–Zn–Zr alloys</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2015-09-01</date><risdate>2015</risdate><volume>644</volume><spage>247</spage><epage>253</epage><pages>247-253</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The effects of trace Y and Ce additions on the microstructure and mechanical properties of extruded Mg–Zn–Zr alloy sheets were investigated. Results indicated that Y and Ce additions led to significant grain refinement and to the formation of Mg–Zn–Ce, Mg3Zn6Y (I-phase) and Mg3Zn3Y2 (W-phase). Mg–Zn–Ce and W-phase were found to possess an orthorhombic and a face centered cubic structure, respectively. Ultimate tensile strength, particularly yield strength, significantly increased after Y and Ce additions, and good elongation was also achieved. The extruded alloy with 0.28wt% Y and 0.52wt% Ce exhibited optimal yield strength (313MPa), ultimate tensile strength (356MPa) and elongation (12.1%). With increasing Y and Ce additions, strain hardening rate decreased, and the yield-to-ultimate tensile strength ratio (σs/σb) increased. Variations in mechanical properties were discussed based on microstructure observation.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2015.07.065</doi><tpages>7</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Alloys Elongation Extrusion Magnesium base alloys Mechanical properties Mg–Zn–Zr alloy Microstructure Ultimate tensile strength Yield strength |
| title | Effect of Y and Ce additions on microstructure and mechanical properties of Mg–Zn–Zr alloys |
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