Effects of 1.5 wt% samarium (Sm) addition on microstructures and tensile properties of a Mg−6.0Zn−0.5Zr alloy
Effects of samarium (Sm) addition on microstructures and tensile properties of Mg−6.0Zn−0.5Zr (ZK60) alloy under both as-cast and as-extruded states were thoroughly investigated. Similar to some other rare earth (RE) additions, the grains of the as-cast ZK60 alloy were refined and the dominant inter...
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| Veröffentlicht in: | Journal of alloys and compounds 2018-02, Vol.735, p.1737-1749 |
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| container_title | Journal of alloys and compounds |
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| creator | Guan, Kai Li, Baishun Yang, Qiang Qiu, Xin Tian, Zheng Zhang, Dongdong Zhang, Deping Niu, Xiaodong Sun, Wei Liu, Xiaojuan Meng, Jian |
| description | Effects of samarium (Sm) addition on microstructures and tensile properties of Mg−6.0Zn−0.5Zr (ZK60) alloy under both as-cast and as-extruded states were thoroughly investigated. Similar to some other rare earth (RE) additions, the grains of the as-cast ZK60 alloy were refined and the dominant intermetallic phase was changed from MgZn2 to Mg3Sm2Zn3 (W) phase by Sm addition. After extrusion, the ZK60 sample with Sm addition owns much finer dynamic recrystallization (DRX) grains due to the widely spaced large particles and the fine particles on DRX grain boundaries. Furthermore, some other intermetallic phases were examined in the as-extruded samples such as Mg4Zn7 and Mg7Zn3 in ZK60 sample, Mg22Zn64Sm14 (Z) and Mg21Zn62Sm17 (W′) in ZK60+Sm sample. Thirdly, Sm addition results in much finer, much more and more stable spherical nano-scale precipitates in matrix. Finally, Sm addition further improves the strength of ZK60 alloy, with the dominant strengthening mechanisms being revealed as both fine grain strengthening and precipitation strengthening.
•Effects of Sm addition on microstructures and tensile properties of ZK60 were studied.•Sm addition has good grain refinement on both as-cast and as-extruded ZK60 alloy.•Structures of both large second phases and precipitates were studied using TEM.•Sm addition will result in significant change on intermetallic phase compositions.•Sm addition can improve the tensile strength of the as-extruded ZK60 alloy. |
| doi_str_mv | 10.1016/j.jallcom.2017.11.315 |
| format | Article |
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•Effects of Sm addition on microstructures and tensile properties of ZK60 were studied.•Sm addition has good grain refinement on both as-cast and as-extruded ZK60 alloy.•Structures of both large second phases and precipitates were studied using TEM.•Sm addition will result in significant change on intermetallic phase compositions.•Sm addition can improve the tensile strength of the as-extruded ZK60 alloy.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2017.11.315</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Chemical precipitation ; Dynamic recrystallization ; Grain boundaries ; Intermetallic phases ; Magnesium alloys ; Magnesium base alloys ; Microstructure ; Microstructures ; Phase transitions ; Precipitates ; Precipitation hardening ; Pressure casting ; Rare earth elements ; Recrystallization ; Samarium ; Samarium addition ; Tensile properties ; Tensile strength ; Transmission electron microscopy (TEM)</subject><ispartof>Journal of alloys and compounds, 2018-02, Vol.735, p.1737-1749</ispartof><rights>2017 Elsevier B.V.</rights><rights>Copyright Elsevier BV Feb 25, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c442t-f188ba57b2a36d20c7b165dc661e8da04318edba395fecb836596234321539c23</citedby><cites>FETCH-LOGICAL-c442t-f188ba57b2a36d20c7b165dc661e8da04318edba395fecb836596234321539c23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2017.11.315$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27907,27908,45978</link.rule.ids></links><search><creatorcontrib>Guan, Kai</creatorcontrib><creatorcontrib>Li, Baishun</creatorcontrib><creatorcontrib>Yang, Qiang</creatorcontrib><creatorcontrib>Qiu, Xin</creatorcontrib><creatorcontrib>Tian, Zheng</creatorcontrib><creatorcontrib>Zhang, Dongdong</creatorcontrib><creatorcontrib>Zhang, Deping</creatorcontrib><creatorcontrib>Niu, Xiaodong</creatorcontrib><creatorcontrib>Sun, Wei</creatorcontrib><creatorcontrib>Liu, Xiaojuan</creatorcontrib><creatorcontrib>Meng, Jian</creatorcontrib><title>Effects of 1.5 wt% samarium (Sm) addition on microstructures and tensile properties of a Mg−6.0Zn−0.5Zr alloy</title><title>Journal of alloys and compounds</title><description>Effects of samarium (Sm) addition on microstructures and tensile properties of Mg−6.0Zn−0.5Zr (ZK60) alloy under both as-cast and as-extruded states were thoroughly investigated. Similar to some other rare earth (RE) additions, the grains of the as-cast ZK60 alloy were refined and the dominant intermetallic phase was changed from MgZn2 to Mg3Sm2Zn3 (W) phase by Sm addition. After extrusion, the ZK60 sample with Sm addition owns much finer dynamic recrystallization (DRX) grains due to the widely spaced large particles and the fine particles on DRX grain boundaries. Furthermore, some other intermetallic phases were examined in the as-extruded samples such as Mg4Zn7 and Mg7Zn3 in ZK60 sample, Mg22Zn64Sm14 (Z) and Mg21Zn62Sm17 (W′) in ZK60+Sm sample. Thirdly, Sm addition results in much finer, much more and more stable spherical nano-scale precipitates in matrix. Finally, Sm addition further improves the strength of ZK60 alloy, with the dominant strengthening mechanisms being revealed as both fine grain strengthening and precipitation strengthening.
•Effects of Sm addition on microstructures and tensile properties of ZK60 were studied.•Sm addition has good grain refinement on both as-cast and as-extruded ZK60 alloy.•Structures of both large second phases and precipitates were studied using TEM.•Sm addition will result in significant change on intermetallic phase compositions.•Sm addition can improve the tensile strength of the as-extruded ZK60 alloy.</description><subject>Chemical precipitation</subject><subject>Dynamic recrystallization</subject><subject>Grain boundaries</subject><subject>Intermetallic phases</subject><subject>Magnesium alloys</subject><subject>Magnesium base alloys</subject><subject>Microstructure</subject><subject>Microstructures</subject><subject>Phase transitions</subject><subject>Precipitates</subject><subject>Precipitation hardening</subject><subject>Pressure casting</subject><subject>Rare earth elements</subject><subject>Recrystallization</subject><subject>Samarium</subject><subject>Samarium addition</subject><subject>Tensile properties</subject><subject>Tensile strength</subject><subject>Transmission electron microscopy (TEM)</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkMFKHTEUhoO04K31EYRAEdrFxJxkksmsShGrgtJF242bkEkyJcOdmWuSUXyDrvsEPouP4pOY63VfOPBvzv-f838IHQElQEGeDGQw67WdR8IoNASAcBB7aAWq4VUtZfsOrWjLRKW4UvvoQ0oDpRRaDisUz_re25zw3GMg4unxPh_jZEYTwzLizz_HL9g4F3KYJ1xmDDbOKcfF5iX6hM3kcPZTCmuPN3He-JiDfw0z-PrP899_ktCbqSgl4ibi8ub88BG97806-cM3PUC_v5_9Or2orn6cX55-u6psXbNc9aBUZ0TTMcOlY9Q2HUjhrJTglTO05qC86wxvRWnQKS5FKxmvOQPBW8v4Afq0yy2P3S4-ZT3MS5zKSV04gaSikbJsid3WtliKvtebGEr9Bw1Ub_HqQb_h3doaDaAL3uL7uvP5UuEu-KiTDX6y3oVYgGo3h_8kvABgtodC</recordid><startdate>20180225</startdate><enddate>20180225</enddate><creator>Guan, Kai</creator><creator>Li, Baishun</creator><creator>Yang, Qiang</creator><creator>Qiu, Xin</creator><creator>Tian, Zheng</creator><creator>Zhang, Dongdong</creator><creator>Zhang, Deping</creator><creator>Niu, Xiaodong</creator><creator>Sun, Wei</creator><creator>Liu, Xiaojuan</creator><creator>Meng, Jian</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20180225</creationdate><title>Effects of 1.5 wt% samarium (Sm) addition on microstructures and tensile properties of a Mg−6.0Zn−0.5Zr alloy</title><author>Guan, Kai ; Li, Baishun ; Yang, Qiang ; Qiu, Xin ; Tian, Zheng ; Zhang, Dongdong ; Zhang, Deping ; Niu, Xiaodong ; Sun, Wei ; Liu, Xiaojuan ; Meng, Jian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c442t-f188ba57b2a36d20c7b165dc661e8da04318edba395fecb836596234321539c23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Chemical precipitation</topic><topic>Dynamic recrystallization</topic><topic>Grain boundaries</topic><topic>Intermetallic phases</topic><topic>Magnesium alloys</topic><topic>Magnesium base alloys</topic><topic>Microstructure</topic><topic>Microstructures</topic><topic>Phase transitions</topic><topic>Precipitates</topic><topic>Precipitation hardening</topic><topic>Pressure casting</topic><topic>Rare earth elements</topic><topic>Recrystallization</topic><topic>Samarium</topic><topic>Samarium addition</topic><topic>Tensile properties</topic><topic>Tensile strength</topic><topic>Transmission electron microscopy (TEM)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guan, Kai</creatorcontrib><creatorcontrib>Li, Baishun</creatorcontrib><creatorcontrib>Yang, Qiang</creatorcontrib><creatorcontrib>Qiu, Xin</creatorcontrib><creatorcontrib>Tian, Zheng</creatorcontrib><creatorcontrib>Zhang, Dongdong</creatorcontrib><creatorcontrib>Zhang, Deping</creatorcontrib><creatorcontrib>Niu, Xiaodong</creatorcontrib><creatorcontrib>Sun, Wei</creatorcontrib><creatorcontrib>Liu, Xiaojuan</creatorcontrib><creatorcontrib>Meng, Jian</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guan, Kai</au><au>Li, Baishun</au><au>Yang, Qiang</au><au>Qiu, Xin</au><au>Tian, Zheng</au><au>Zhang, Dongdong</au><au>Zhang, Deping</au><au>Niu, Xiaodong</au><au>Sun, Wei</au><au>Liu, Xiaojuan</au><au>Meng, Jian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of 1.5 wt% samarium (Sm) addition on microstructures and tensile properties of a Mg−6.0Zn−0.5Zr alloy</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2018-02-25</date><risdate>2018</risdate><volume>735</volume><spage>1737</spage><epage>1749</epage><pages>1737-1749</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>Effects of samarium (Sm) addition on microstructures and tensile properties of Mg−6.0Zn−0.5Zr (ZK60) alloy under both as-cast and as-extruded states were thoroughly investigated. Similar to some other rare earth (RE) additions, the grains of the as-cast ZK60 alloy were refined and the dominant intermetallic phase was changed from MgZn2 to Mg3Sm2Zn3 (W) phase by Sm addition. After extrusion, the ZK60 sample with Sm addition owns much finer dynamic recrystallization (DRX) grains due to the widely spaced large particles and the fine particles on DRX grain boundaries. Furthermore, some other intermetallic phases were examined in the as-extruded samples such as Mg4Zn7 and Mg7Zn3 in ZK60 sample, Mg22Zn64Sm14 (Z) and Mg21Zn62Sm17 (W′) in ZK60+Sm sample. Thirdly, Sm addition results in much finer, much more and more stable spherical nano-scale precipitates in matrix. Finally, Sm addition further improves the strength of ZK60 alloy, with the dominant strengthening mechanisms being revealed as both fine grain strengthening and precipitation strengthening.
•Effects of Sm addition on microstructures and tensile properties of ZK60 were studied.•Sm addition has good grain refinement on both as-cast and as-extruded ZK60 alloy.•Structures of both large second phases and precipitates were studied using TEM.•Sm addition will result in significant change on intermetallic phase compositions.•Sm addition can improve the tensile strength of the as-extruded ZK60 alloy.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2017.11.315</doi><tpages>13</tpages></addata></record> |
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| subjects | Chemical precipitation Dynamic recrystallization Grain boundaries Intermetallic phases Magnesium alloys Magnesium base alloys Microstructure Microstructures Phase transitions Precipitates Precipitation hardening Pressure casting Rare earth elements Recrystallization Samarium Samarium addition Tensile properties Tensile strength Transmission electron microscopy (TEM) |
| title | Effects of 1.5 wt% samarium (Sm) addition on microstructures and tensile properties of a Mg−6.0Zn−0.5Zr alloy |
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