Phase fraction mapping in the as-cast microstructure of extrudable 6xxx aluminum alloys
The mapping of Mg Si and β-AlFeSi phase fractions in the as-cast microstructure of Al–Mg–Si–Fe–Mn (6xxx series) alloys has been performed over the useful composition range (0–1.2 mass%) of the principal alloying elements Mg and Si. The calculations were based on the Scheil–Gulliver assumption of inf...
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| Veröffentlicht in: | International journal of materials research 2014-12, Vol.105 (12), p.1202-1209 |
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| container_title | International journal of materials research |
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| creator | Sarafoglou, Panagiota I. Haidemenopoulos, Gregory N. |
| description | The mapping of Mg
Si and β-AlFeSi phase fractions in the as-cast microstructure of Al–Mg–Si–Fe–Mn (6xxx series) alloys has been performed over the useful composition range (0–1.2 mass%) of the principal alloying elements Mg and Si. The calculations were based on the Scheil–Gulliver assumption of infinite diffusion in the liquid and limited diffusion in the solid state. The computed phase fractions were validated with experimental measurements of phase fractions. The mapping procedure allows the control of intermetallic phases in the as-cast microstructure, the minimization of the β-AlFeSi phase in particular, which is a significant prerequisite in obtaining enhanced extrudability, combined with high strength in this alloy series. Construction of maps for different levels of Mn has shown that addition of Mn could allow for higher alloying with Mg and Si, in order to obtain higher amounts of Mg
Si, without at the same time increasing the β-AlFeSi phase in the as-cast microstructure. |
| doi_str_mv | 10.3139/146.111139 |
| format | Article |
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Si and β-AlFeSi phase fractions in the as-cast microstructure of Al–Mg–Si–Fe–Mn (6xxx series) alloys has been performed over the useful composition range (0–1.2 mass%) of the principal alloying elements Mg and Si. The calculations were based on the Scheil–Gulliver assumption of infinite diffusion in the liquid and limited diffusion in the solid state. The computed phase fractions were validated with experimental measurements of phase fractions. The mapping procedure allows the control of intermetallic phases in the as-cast microstructure, the minimization of the β-AlFeSi phase in particular, which is a significant prerequisite in obtaining enhanced extrudability, combined with high strength in this alloy series. Construction of maps for different levels of Mn has shown that addition of Mn could allow for higher alloying with Mg and Si, in order to obtain higher amounts of Mg
Si, without at the same time increasing the β-AlFeSi phase in the as-cast microstructure.</description><identifier>ISSN: 1862-5282</identifier><identifier>EISSN: 2195-8556</identifier><identifier>DOI: 10.3139/146.111139</identifier><language>eng</language><publisher>De Gruyter</publisher><subject>Alloy design ; Alloys ; Aluminum alloys ; Aluminum base alloys ; Computational thermodynamics ; Intermetallic compounds ; Intermetallics ; Magnesium base alloys ; Magnesium compounds ; Mapping ; Microsegregation ; Microstructure ; Semiconductors ; Silicides</subject><ispartof>International journal of materials research, 2014-12, Vol.105 (12), p.1202-1209</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c246t-f222d31f78d40d4d49f77d9cb723a5bdabd8bab94316153ed81b708a299ad68b3</citedby><cites>FETCH-LOGICAL-c246t-f222d31f78d40d4d49f77d9cb723a5bdabd8bab94316153ed81b708a299ad68b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.degruyter.com/document/doi/10.3139/146.111139/pdf$$EPDF$$P50$$Gwalterdegruyter$$H</linktopdf><linktohtml>$$Uhttps://www.degruyter.com/document/doi/10.3139/146.111139/html$$EHTML$$P50$$Gwalterdegruyter$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,66503,68287</link.rule.ids></links><search><creatorcontrib>Sarafoglou, Panagiota I.</creatorcontrib><creatorcontrib>Haidemenopoulos, Gregory N.</creatorcontrib><title>Phase fraction mapping in the as-cast microstructure of extrudable 6xxx aluminum alloys</title><title>International journal of materials research</title><description>The mapping of Mg
Si and β-AlFeSi phase fractions in the as-cast microstructure of Al–Mg–Si–Fe–Mn (6xxx series) alloys has been performed over the useful composition range (0–1.2 mass%) of the principal alloying elements Mg and Si. The calculations were based on the Scheil–Gulliver assumption of infinite diffusion in the liquid and limited diffusion in the solid state. The computed phase fractions were validated with experimental measurements of phase fractions. The mapping procedure allows the control of intermetallic phases in the as-cast microstructure, the minimization of the β-AlFeSi phase in particular, which is a significant prerequisite in obtaining enhanced extrudability, combined with high strength in this alloy series. Construction of maps for different levels of Mn has shown that addition of Mn could allow for higher alloying with Mg and Si, in order to obtain higher amounts of Mg
Si, without at the same time increasing the β-AlFeSi phase in the as-cast microstructure.</description><subject>Alloy design</subject><subject>Alloys</subject><subject>Aluminum alloys</subject><subject>Aluminum base alloys</subject><subject>Computational thermodynamics</subject><subject>Intermetallic compounds</subject><subject>Intermetallics</subject><subject>Magnesium base alloys</subject><subject>Magnesium compounds</subject><subject>Mapping</subject><subject>Microsegregation</subject><subject>Microstructure</subject><subject>Semiconductors</subject><subject>Silicides</subject><issn>1862-5282</issn><issn>2195-8556</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNptkEtLxDAUhYMoOI5u_AVZitCxSZo0wZUMvmBAF4rLkDbJTIe-zAM7_94Mdend3HPhuwfOAeAa5SuCiLhDBVuhNEScgAVGgmacUnYKFogznFHM8Tm48H6f5xSxEi_A1_tOeQOtU3Vohh52ahybfgubHoadgcpntfIBdk3tBh9crEN0Bg4WmildWlWtgWyaJqja2DV97JJoh4O_BGdWtd5c_e0l-Hx6_Fi_ZJu359f1wyarccFCZjHGmiBbcl3kutCFsGWpRV2VmChaJX_NK1WJgiCGKDGao6rMucJCKM14RZbgZvYd3fAdjQ-ya3xt2lb1ZoheIsZpyQVjRUJvZ_QYxTtj5eiaTrmDRLk8tidTe3JuL8H3M_yj2mCcNlsXD0nI_RBdnxL984RSqRjhHJNfgLp1Hw</recordid><startdate>20141208</startdate><enddate>20141208</enddate><creator>Sarafoglou, Panagiota I.</creator><creator>Haidemenopoulos, Gregory N.</creator><general>De Gruyter</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>20141208</creationdate><title>Phase fraction mapping in the as-cast microstructure of extrudable 6xxx aluminum alloys</title><author>Sarafoglou, Panagiota I. ; Haidemenopoulos, Gregory N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c246t-f222d31f78d40d4d49f77d9cb723a5bdabd8bab94316153ed81b708a299ad68b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Alloy design</topic><topic>Alloys</topic><topic>Aluminum alloys</topic><topic>Aluminum base alloys</topic><topic>Computational thermodynamics</topic><topic>Intermetallic compounds</topic><topic>Intermetallics</topic><topic>Magnesium base alloys</topic><topic>Magnesium compounds</topic><topic>Mapping</topic><topic>Microsegregation</topic><topic>Microstructure</topic><topic>Semiconductors</topic><topic>Silicides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sarafoglou, Panagiota I.</creatorcontrib><creatorcontrib>Haidemenopoulos, Gregory N.</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>International journal of materials research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sarafoglou, Panagiota I.</au><au>Haidemenopoulos, Gregory N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phase fraction mapping in the as-cast microstructure of extrudable 6xxx aluminum alloys</atitle><jtitle>International journal of materials research</jtitle><date>2014-12-08</date><risdate>2014</risdate><volume>105</volume><issue>12</issue><spage>1202</spage><epage>1209</epage><pages>1202-1209</pages><issn>1862-5282</issn><eissn>2195-8556</eissn><abstract>The mapping of Mg
Si and β-AlFeSi phase fractions in the as-cast microstructure of Al–Mg–Si–Fe–Mn (6xxx series) alloys has been performed over the useful composition range (0–1.2 mass%) of the principal alloying elements Mg and Si. The calculations were based on the Scheil–Gulliver assumption of infinite diffusion in the liquid and limited diffusion in the solid state. The computed phase fractions were validated with experimental measurements of phase fractions. The mapping procedure allows the control of intermetallic phases in the as-cast microstructure, the minimization of the β-AlFeSi phase in particular, which is a significant prerequisite in obtaining enhanced extrudability, combined with high strength in this alloy series. Construction of maps for different levels of Mn has shown that addition of Mn could allow for higher alloying with Mg and Si, in order to obtain higher amounts of Mg
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| source | De Gruyter journals |
| subjects | Alloy design Alloys Aluminum alloys Aluminum base alloys Computational thermodynamics Intermetallic compounds Intermetallics Magnesium base alloys Magnesium compounds Mapping Microsegregation Microstructure Semiconductors Silicides |
| title | Phase fraction mapping in the as-cast microstructure of extrudable 6xxx aluminum alloys |
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