Effects of Ca and Sr additions on microstructure, mechanical properties, and ignition temperature of hot-rolled Mg–Zn alloy
In this study, the microstructures, mechanical properties, and ignition temperatures of hot-rolled Mg-1.5Zn-X (X: Ca and/or Sr) alloys were investigated. The Mg-1.5Zn, Mg-1.5Zn–1Ca and Mg-1.5Zn–1Sr alloys had the mean grain sizes of 56.1 μm, 8.7 μm, and 18.5 μm, respectively. This indicates that Ca...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2020-01, Vol.769, p.138474, Article 138474 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Zhou, Mengran Huang, Xinsheng Morisada, Yoshiaki Fujii, Hidetoshi Chino, Yasumasa |
| description | In this study, the microstructures, mechanical properties, and ignition temperatures of hot-rolled Mg-1.5Zn-X (X: Ca and/or Sr) alloys were investigated. The Mg-1.5Zn, Mg-1.5Zn–1Ca and Mg-1.5Zn–1Sr alloys had the mean grain sizes of 56.1 μm, 8.7 μm, and 18.5 μm, respectively. This indicates that Ca addition exerts a stronger effect on grain refinement than Sr addition. Both Ca and Sr additions significantly weakened the basal texture to approximately one-quarter in intensity for the annealed sheets. Ca-containing alloys exhibited texture splitting in the transverse direction, while Sr-containing alloys tended to maintain it in the rolling direction after annealing. The Ca and Sr additions improved the mechanical strength considerably due to grain refinement, which overcompensated for the influence of texture softening. Meanwhile, benefiting from the weakened textures, the 1% Ca and Sr additions remarkably increased the Erichsen values from 3.8 to 8.0 and 7.1, respectively. However, further addition resulted in the deterioration of both tensile ductility and stretch formability due to the cracking of secondary-phase particles. Ca addition had a better effect on enhancing the flame-retardant property than Sr addition, and 2% Ca and Sr additions increased the ignition temperature from 629 °C to 800 °C and 720 °C, respectively. |
| doi_str_mv | 10.1016/j.msea.2019.138474 |
| format | Article |
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The Mg-1.5Zn, Mg-1.5Zn–1Ca and Mg-1.5Zn–1Sr alloys had the mean grain sizes of 56.1 μm, 8.7 μm, and 18.5 μm, respectively. This indicates that Ca addition exerts a stronger effect on grain refinement than Sr addition. Both Ca and Sr additions significantly weakened the basal texture to approximately one-quarter in intensity for the annealed sheets. Ca-containing alloys exhibited texture splitting in the transverse direction, while Sr-containing alloys tended to maintain it in the rolling direction after annealing. The Ca and Sr additions improved the mechanical strength considerably due to grain refinement, which overcompensated for the influence of texture softening. Meanwhile, benefiting from the weakened textures, the 1% Ca and Sr additions remarkably increased the Erichsen values from 3.8 to 8.0 and 7.1, respectively. However, further addition resulted in the deterioration of both tensile ductility and stretch formability due to the cracking of secondary-phase particles. Ca addition had a better effect on enhancing the flame-retardant property than Sr addition, and 2% Ca and Sr additions increased the ignition temperature from 629 °C to 800 °C and 720 °C, respectively.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2019.138474</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Annealing ; Calcium ; Flame retardants ; Grain refinement ; Grain size ; Hot rolling ; Ignition temperature ; Magnesium base alloys ; Mechanical properties ; Mg alloy ; Microstructure ; Rolling ; Rolling direction ; Strontium ; Texture ; Zinc</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2020-01, Vol.769, p.138474, Article 138474</ispartof><rights>2019 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jan 2, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c394t-2baa083ab7df9b964581527f497633ab8cf46e9764f681a34700d535ab9d537e3</citedby><cites>FETCH-LOGICAL-c394t-2baa083ab7df9b964581527f497633ab8cf46e9764f681a34700d535ab9d537e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0921509319312602$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Zhou, Mengran</creatorcontrib><creatorcontrib>Huang, Xinsheng</creatorcontrib><creatorcontrib>Morisada, Yoshiaki</creatorcontrib><creatorcontrib>Fujii, Hidetoshi</creatorcontrib><creatorcontrib>Chino, Yasumasa</creatorcontrib><title>Effects of Ca and Sr additions on microstructure, mechanical properties, and ignition temperature of hot-rolled Mg–Zn alloy</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>In this study, the microstructures, mechanical properties, and ignition temperatures of hot-rolled Mg-1.5Zn-X (X: Ca and/or Sr) alloys were investigated. The Mg-1.5Zn, Mg-1.5Zn–1Ca and Mg-1.5Zn–1Sr alloys had the mean grain sizes of 56.1 μm, 8.7 μm, and 18.5 μm, respectively. This indicates that Ca addition exerts a stronger effect on grain refinement than Sr addition. Both Ca and Sr additions significantly weakened the basal texture to approximately one-quarter in intensity for the annealed sheets. Ca-containing alloys exhibited texture splitting in the transverse direction, while Sr-containing alloys tended to maintain it in the rolling direction after annealing. The Ca and Sr additions improved the mechanical strength considerably due to grain refinement, which overcompensated for the influence of texture softening. Meanwhile, benefiting from the weakened textures, the 1% Ca and Sr additions remarkably increased the Erichsen values from 3.8 to 8.0 and 7.1, respectively. However, further addition resulted in the deterioration of both tensile ductility and stretch formability due to the cracking of secondary-phase particles. Ca addition had a better effect on enhancing the flame-retardant property than Sr addition, and 2% Ca and Sr additions increased the ignition temperature from 629 °C to 800 °C and 720 °C, respectively.</description><subject>Annealing</subject><subject>Calcium</subject><subject>Flame retardants</subject><subject>Grain refinement</subject><subject>Grain size</subject><subject>Hot rolling</subject><subject>Ignition temperature</subject><subject>Magnesium base alloys</subject><subject>Mechanical properties</subject><subject>Mg alloy</subject><subject>Microstructure</subject><subject>Rolling</subject><subject>Rolling direction</subject><subject>Strontium</subject><subject>Texture</subject><subject>Zinc</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kM1KAzEQgIMoWH9ewFPAa3dNNtmfgBcp_oHiQb14CWl2YlN2NzVJhR4E38E39EnMWs-ehpnMN5n5EDqhJKeEVmfLvA-g8oJQkVPW8JrvoAltapZxwapdNCGioFlJBNtHByEsCSGUk3KCPi6NAR0DdgbPFFZDix89Vm1ro3VDKg-4t9q7EP1ax7WHKe5BL9RgterwyrsV-GghTH9R-zr8cjhCnx7UCIyTFy5m3nUdtPj-9fvz62XAquvc5gjtGdUFOP6Lh-j56vJpdpPdPVzfzi7uMs0Ej1kxV4o0TM3r1oi5qHjZ0LKoDRd1xVK50YZXkBJuqoYqxmtC2pKVai5SqIEdotPt3LTw2xpClEu39kP6UhaM1bTkFSOpq9h2jfcGD0auvO2V30hK5KhZLuWoWY6a5VZzgs63EKT93y14GbSFQUNrfRIrW2f_w38A9R-HyA</recordid><startdate>20200102</startdate><enddate>20200102</enddate><creator>Zhou, Mengran</creator><creator>Huang, Xinsheng</creator><creator>Morisada, Yoshiaki</creator><creator>Fujii, Hidetoshi</creator><creator>Chino, Yasumasa</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20200102</creationdate><title>Effects of Ca and Sr additions on microstructure, mechanical properties, and ignition temperature of hot-rolled Mg–Zn alloy</title><author>Zhou, Mengran ; Huang, Xinsheng ; Morisada, Yoshiaki ; Fujii, Hidetoshi ; Chino, Yasumasa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c394t-2baa083ab7df9b964581527f497633ab8cf46e9764f681a34700d535ab9d537e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Annealing</topic><topic>Calcium</topic><topic>Flame retardants</topic><topic>Grain refinement</topic><topic>Grain size</topic><topic>Hot rolling</topic><topic>Ignition temperature</topic><topic>Magnesium base alloys</topic><topic>Mechanical properties</topic><topic>Mg alloy</topic><topic>Microstructure</topic><topic>Rolling</topic><topic>Rolling direction</topic><topic>Strontium</topic><topic>Texture</topic><topic>Zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Mengran</creatorcontrib><creatorcontrib>Huang, Xinsheng</creatorcontrib><creatorcontrib>Morisada, Yoshiaki</creatorcontrib><creatorcontrib>Fujii, Hidetoshi</creatorcontrib><creatorcontrib>Chino, Yasumasa</creatorcontrib><collection>CrossRef</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>Zhou, Mengran</au><au>Huang, Xinsheng</au><au>Morisada, Yoshiaki</au><au>Fujii, Hidetoshi</au><au>Chino, Yasumasa</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Ca and Sr additions on microstructure, mechanical properties, and ignition temperature of hot-rolled Mg–Zn alloy</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2020-01-02</date><risdate>2020</risdate><volume>769</volume><spage>138474</spage><pages>138474-</pages><artnum>138474</artnum><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>In this study, the microstructures, mechanical properties, and ignition temperatures of hot-rolled Mg-1.5Zn-X (X: Ca and/or Sr) alloys were investigated. The Mg-1.5Zn, Mg-1.5Zn–1Ca and Mg-1.5Zn–1Sr alloys had the mean grain sizes of 56.1 μm, 8.7 μm, and 18.5 μm, respectively. This indicates that Ca addition exerts a stronger effect on grain refinement than Sr addition. Both Ca and Sr additions significantly weakened the basal texture to approximately one-quarter in intensity for the annealed sheets. Ca-containing alloys exhibited texture splitting in the transverse direction, while Sr-containing alloys tended to maintain it in the rolling direction after annealing. The Ca and Sr additions improved the mechanical strength considerably due to grain refinement, which overcompensated for the influence of texture softening. Meanwhile, benefiting from the weakened textures, the 1% Ca and Sr additions remarkably increased the Erichsen values from 3.8 to 8.0 and 7.1, respectively. However, further addition resulted in the deterioration of both tensile ductility and stretch formability due to the cracking of secondary-phase particles. Ca addition had a better effect on enhancing the flame-retardant property than Sr addition, and 2% Ca and Sr additions increased the ignition temperature from 629 °C to 800 °C and 720 °C, respectively.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2019.138474</doi></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Annealing Calcium Flame retardants Grain refinement Grain size Hot rolling Ignition temperature Magnesium base alloys Mechanical properties Mg alloy Microstructure Rolling Rolling direction Strontium Texture Zinc |
| title | Effects of Ca and Sr additions on microstructure, mechanical properties, and ignition temperature of hot-rolled Mg–Zn alloy |
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