Microstructure and mechanical behaviour of an elevated temperature Mg-rare earth based alloy
AM-SC1 is a heat treatable magnesium alloy that has been specifically developed to achieve the elevated temperature strength and creep properties necessary for engine block applications. This paper describes the interrelationship between the microstructure and the mechanical properties of AM-SC1. Th...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2009-04, Vol.505 (1), p.6-12 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Bettles, C.J. Gibson, M.A. Zhu, S.M. |
| description | AM-SC1 is a heat treatable magnesium alloy that has been specifically developed to achieve the elevated temperature strength and creep properties necessary for engine block applications. This paper describes the interrelationship between the microstructure and the mechanical properties of AM-SC1. The compressive and tensile strengths are relatively insensitive to temperature up to and including 450
K and the tensile yield behaviour deviates from a standard Hall-Petch relationship at grain sizes below 200
μm. The microstructural features contributing to the creep resistance are both inter- and intra-granular in nature and are on length scales from nanometers to micrometers. The creep behaviour at 423
K and 450
K is diffusion controlled, with any contribution from the grain boundaries being negligible. |
| doi_str_mv | 10.1016/j.msea.2008.11.004 |
| format | Article |
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K and the tensile yield behaviour deviates from a standard Hall-Petch relationship at grain sizes below 200
μm. The microstructural features contributing to the creep resistance are both inter- and intra-granular in nature and are on length scales from nanometers to micrometers. The creep behaviour at 423
K and 450
K is diffusion controlled, with any contribution from the grain boundaries being negligible.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2008.11.004</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Alloy design ; Applied sciences ; Creep ; Creep resistance ; Elasticity. Plasticity ; Exact sciences and technology ; Magnesium alloy ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. Metallurgy ; Microstructure ; Sand-cast</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2009-04, Vol.505 (1), p.6-12</ispartof><rights>2008</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c361t-6134050b990a6a646e28d75ac9a087f2fdae1c7d1a969dc7494d4e512356772f3</citedby><cites>FETCH-LOGICAL-c361t-6134050b990a6a646e28d75ac9a087f2fdae1c7d1a969dc7494d4e512356772f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0921509308012768$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21500735$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Bettles, C.J.</creatorcontrib><creatorcontrib>Gibson, M.A.</creatorcontrib><creatorcontrib>Zhu, S.M.</creatorcontrib><title>Microstructure and mechanical behaviour of an elevated temperature Mg-rare earth based alloy</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>AM-SC1 is a heat treatable magnesium alloy that has been specifically developed to achieve the elevated temperature strength and creep properties necessary for engine block applications. This paper describes the interrelationship between the microstructure and the mechanical properties of AM-SC1. The compressive and tensile strengths are relatively insensitive to temperature up to and including 450
K and the tensile yield behaviour deviates from a standard Hall-Petch relationship at grain sizes below 200
μm. The microstructural features contributing to the creep resistance are both inter- and intra-granular in nature and are on length scales from nanometers to micrometers. The creep behaviour at 423
K and 450
K is diffusion controlled, with any contribution from the grain boundaries being negligible.</description><subject>Alloy design</subject><subject>Applied sciences</subject><subject>Creep</subject><subject>Creep resistance</subject><subject>Elasticity. Plasticity</subject><subject>Exact sciences and technology</subject><subject>Magnesium alloy</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><subject>Microstructure</subject><subject>Sand-cast</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNp9kEtv1DAUhS1UJKYtf4BVNnSX9F47cWKJDaoKVGrFpuyQrDv2DeNRHoOdjNR_j4epWLI6i3POfXxCfECoEFDf7qsxMVUSoKsQK4D6jdhg16qyNkpfiA0YiWUDRr0TlyntAQBraDbi51NwcU5LXN2yRi5o8sXIbkdTcDQUW97RMcxrLOY-ewUPfKSFfbHweOBIfztPv8pIWZnisiu2lLJPwzC_XIu3PQ2J37_qlfjx5f757lv5-P3rw93nx9IpjUupUeVbYGsMkCZda5adbxtyhqBre9l7YnStRzLaeNfWpvY1NyhVo9tW9upK3JznHuL8e-W02DEkx8NAE89rskpJU-tO5qA8B08_p8i9PcQwUnyxCPYE0u7tCaQ9gbSINoPMpY-v0yllJn2kyYX0rymxAWhVk3OfzjnOrx4DR5tc4MmxD5HdYv0c_rfmD5ojiYg</recordid><startdate>20090415</startdate><enddate>20090415</enddate><creator>Bettles, C.J.</creator><creator>Gibson, M.A.</creator><creator>Zhu, S.M.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20090415</creationdate><title>Microstructure and mechanical behaviour of an elevated temperature Mg-rare earth based alloy</title><author>Bettles, C.J. ; Gibson, M.A. ; Zhu, S.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c361t-6134050b990a6a646e28d75ac9a087f2fdae1c7d1a969dc7494d4e512356772f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Alloy design</topic><topic>Applied sciences</topic><topic>Creep</topic><topic>Creep resistance</topic><topic>Elasticity. Plasticity</topic><topic>Exact sciences and technology</topic><topic>Magnesium alloy</topic><topic>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><topic>Microstructure</topic><topic>Sand-cast</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bettles, C.J.</creatorcontrib><creatorcontrib>Gibson, M.A.</creatorcontrib><creatorcontrib>Zhu, S.M.</creatorcontrib><collection>Pascal-Francis</collection><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>Bettles, C.J.</au><au>Gibson, M.A.</au><au>Zhu, S.M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructure and mechanical behaviour of an elevated temperature Mg-rare earth based alloy</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2009-04-15</date><risdate>2009</risdate><volume>505</volume><issue>1</issue><spage>6</spage><epage>12</epage><pages>6-12</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>AM-SC1 is a heat treatable magnesium alloy that has been specifically developed to achieve the elevated temperature strength and creep properties necessary for engine block applications. This paper describes the interrelationship between the microstructure and the mechanical properties of AM-SC1. The compressive and tensile strengths are relatively insensitive to temperature up to and including 450
K and the tensile yield behaviour deviates from a standard Hall-Petch relationship at grain sizes below 200
μm. The microstructural features contributing to the creep resistance are both inter- and intra-granular in nature and are on length scales from nanometers to micrometers. The creep behaviour at 423
K and 450
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2009-04, Vol.505 (1), p.6-12 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Alloy design Applied sciences Creep Creep resistance Elasticity. Plasticity Exact sciences and technology Magnesium alloy Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Microstructure Sand-cast |
| title | Microstructure and mechanical behaviour of an elevated temperature Mg-rare earth based alloy |
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