An ultra-high strength Mg-3Al-Zn alloy with low tension-compression yield asymmetry
•An ultra-high strength Mg-3Al-Zn alloy with low anisotropy was fabricated by mechanical milling, hot-press consolidation and extrusion.•The partially nanocrystallized structure was characterized by TEM.•The nanoscale and coherent MgO precipitates in the Mg matrix was characterized by TEM.•The macro...
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| Veröffentlicht in: | Materials letters 2020-06, Vol.269, p.127489, Article 127489 |
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| creator | Feng, J. Li, X.W. Sun, H.F. Fang, W.B. |
| description | •An ultra-high strength Mg-3Al-Zn alloy with low anisotropy was fabricated by mechanical milling, hot-press consolidation and extrusion.•The partially nanocrystallized structure was characterized by TEM.•The nanoscale and coherent MgO precipitates in the Mg matrix was characterized by TEM.•The macro-texture of the as-extruded alloy was analyzed by XRD.
An ultra-high strength Mg-3Al-Zn alloy with low tension-compression yield asymmetry was successfully fabricated through adding 0.2 wt% MgO. The as-extruded alloy exhibits a tensile yield stress of 459 MPa, an ultimate tensile strength of 519 MPa, an elongation to failure of 3.2%, and a low tension-compression yield asymmetry of 1.01. The combined effect of partially nanocrystallized structure, nanoscale and coherent MgO precipitates, and ultra-fine recrystallized Mg grains results in the ultra-high strength and further results in the low tension-compression yield asymmetry with additional effect of weak basal texture. |
| doi_str_mv | 10.1016/j.matlet.2020.127489 |
| format | Article |
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An ultra-high strength Mg-3Al-Zn alloy with low tension-compression yield asymmetry was successfully fabricated through adding 0.2 wt% MgO. The as-extruded alloy exhibits a tensile yield stress of 459 MPa, an ultimate tensile strength of 519 MPa, an elongation to failure of 3.2%, and a low tension-compression yield asymmetry of 1.01. The combined effect of partially nanocrystallized structure, nanoscale and coherent MgO precipitates, and ultra-fine recrystallized Mg grains results in the ultra-high strength and further results in the low tension-compression yield asymmetry with additional effect of weak basal texture.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2020.127489</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Asymmetry ; Compressive strength ; Elongation ; Extrusion ; High strength alloys ; Magnesium base alloys ; Magnesium oxide ; Materials science ; Mg alloy ; Nanocrystallized structure ; Nanoparticles ; Precipitates ; Recrystallization ; Tension-compression yield asymmetry ; Ultimate tensile strength ; Yield stress ; Zinc</subject><ispartof>Materials letters, 2020-06, Vol.269, p.127489, Article 127489</ispartof><rights>2020</rights><rights>Copyright Elsevier BV Jun 15, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-fc53f51e8af76e6dbf611480ba357955476d1c7c50dfc4aff9428e0d4181babb3</citedby><cites>FETCH-LOGICAL-c334t-fc53f51e8af76e6dbf611480ba357955476d1c7c50dfc4aff9428e0d4181babb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0167577X20301944$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Feng, J.</creatorcontrib><creatorcontrib>Li, X.W.</creatorcontrib><creatorcontrib>Sun, H.F.</creatorcontrib><creatorcontrib>Fang, W.B.</creatorcontrib><title>An ultra-high strength Mg-3Al-Zn alloy with low tension-compression yield asymmetry</title><title>Materials letters</title><description>•An ultra-high strength Mg-3Al-Zn alloy with low anisotropy was fabricated by mechanical milling, hot-press consolidation and extrusion.•The partially nanocrystallized structure was characterized by TEM.•The nanoscale and coherent MgO precipitates in the Mg matrix was characterized by TEM.•The macro-texture of the as-extruded alloy was analyzed by XRD.
An ultra-high strength Mg-3Al-Zn alloy with low tension-compression yield asymmetry was successfully fabricated through adding 0.2 wt% MgO. The as-extruded alloy exhibits a tensile yield stress of 459 MPa, an ultimate tensile strength of 519 MPa, an elongation to failure of 3.2%, and a low tension-compression yield asymmetry of 1.01. The combined effect of partially nanocrystallized structure, nanoscale and coherent MgO precipitates, and ultra-fine recrystallized Mg grains results in the ultra-high strength and further results in the low tension-compression yield asymmetry with additional effect of weak basal texture.</description><subject>Asymmetry</subject><subject>Compressive strength</subject><subject>Elongation</subject><subject>Extrusion</subject><subject>High strength alloys</subject><subject>Magnesium base alloys</subject><subject>Magnesium oxide</subject><subject>Materials science</subject><subject>Mg alloy</subject><subject>Nanocrystallized structure</subject><subject>Nanoparticles</subject><subject>Precipitates</subject><subject>Recrystallization</subject><subject>Tension-compression yield asymmetry</subject><subject>Ultimate tensile strength</subject><subject>Yield stress</subject><subject>Zinc</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LxDAQxYMouK5-Aw8Fz1mTNm3ai7As_oMVDyqIl5Cmk92UtFmTrEu_vV3q2dMMw3tveD-ErilZUEKL23bRyWghLlKSjqeUs7I6QTNa8gyzilenaDbKOM45_zxHFyG0hBBWETZDb8s-2dvoJd6azTYJ0UO_idvkZYOzpcVffSKtdUNyMOPRukMSoQ_G9Vi5buchHPdkMGCbRIah6yD64RKdaWkDXP3NOfp4uH9fPeH16-PzarnGKstYxFrlmc4plFLzAoqm1gWlrCS1zHJe5TnjRUMVVzlptGJS64qlJZCG0ZLWsq6zObqZcnfefe8hRNG6ve_HlyJlWZnSsXo5qtikUt6F4EGLnTed9IOgRBzxiVZM-MQRn5jwjba7yQZjgx8DXgRloFfQGA8qisaZ_wN-AVYAe2Q</recordid><startdate>20200615</startdate><enddate>20200615</enddate><creator>Feng, J.</creator><creator>Li, X.W.</creator><creator>Sun, H.F.</creator><creator>Fang, W.B.</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>20200615</creationdate><title>An ultra-high strength Mg-3Al-Zn alloy with low tension-compression yield asymmetry</title><author>Feng, J. ; Li, X.W. ; Sun, H.F. ; Fang, W.B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-fc53f51e8af76e6dbf611480ba357955476d1c7c50dfc4aff9428e0d4181babb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Asymmetry</topic><topic>Compressive strength</topic><topic>Elongation</topic><topic>Extrusion</topic><topic>High strength alloys</topic><topic>Magnesium base alloys</topic><topic>Magnesium oxide</topic><topic>Materials science</topic><topic>Mg alloy</topic><topic>Nanocrystallized structure</topic><topic>Nanoparticles</topic><topic>Precipitates</topic><topic>Recrystallization</topic><topic>Tension-compression yield asymmetry</topic><topic>Ultimate tensile strength</topic><topic>Yield stress</topic><topic>Zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Feng, J.</creatorcontrib><creatorcontrib>Li, X.W.</creatorcontrib><creatorcontrib>Sun, H.F.</creatorcontrib><creatorcontrib>Fang, W.B.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Feng, J.</au><au>Li, X.W.</au><au>Sun, H.F.</au><au>Fang, W.B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An ultra-high strength Mg-3Al-Zn alloy with low tension-compression yield asymmetry</atitle><jtitle>Materials letters</jtitle><date>2020-06-15</date><risdate>2020</risdate><volume>269</volume><spage>127489</spage><pages>127489-</pages><artnum>127489</artnum><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>•An ultra-high strength Mg-3Al-Zn alloy with low anisotropy was fabricated by mechanical milling, hot-press consolidation and extrusion.•The partially nanocrystallized structure was characterized by TEM.•The nanoscale and coherent MgO precipitates in the Mg matrix was characterized by TEM.•The macro-texture of the as-extruded alloy was analyzed by XRD.
An ultra-high strength Mg-3Al-Zn alloy with low tension-compression yield asymmetry was successfully fabricated through adding 0.2 wt% MgO. The as-extruded alloy exhibits a tensile yield stress of 459 MPa, an ultimate tensile strength of 519 MPa, an elongation to failure of 3.2%, and a low tension-compression yield asymmetry of 1.01. The combined effect of partially nanocrystallized structure, nanoscale and coherent MgO precipitates, and ultra-fine recrystallized Mg grains results in the ultra-high strength and further results in the low tension-compression yield asymmetry with additional effect of weak basal texture.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2020.127489</doi></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Asymmetry Compressive strength Elongation Extrusion High strength alloys Magnesium base alloys Magnesium oxide Materials science Mg alloy Nanocrystallized structure Nanoparticles Precipitates Recrystallization Tension-compression yield asymmetry Ultimate tensile strength Yield stress Zinc |
| title | An ultra-high strength Mg-3Al-Zn alloy with low tension-compression yield asymmetry |
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