Phase formation in 6060/4043 aluminum weld solidification
Weld metal microstructure for alloy 6060 aluminum welds, made using the gas-tungsten arc process and alloy 4043 filler metal, has been characterized using optical metallography, EPMA microprobe analysis, SEM/EBSD and STEM/EDX electron microscopy, and single-sensor differential thermal analysis (SS-D...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2009-08, Vol.517 (1), p.321-327 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Coniglio, N. Cross, C.E. Dörfel, I. Österle, W. |
| description | Weld metal microstructure for alloy 6060 aluminum welds, made using the gas-tungsten arc process and alloy 4043 filler metal, has been characterized using optical metallography, EPMA microprobe analysis, SEM/EBSD and STEM/EDX electron microscopy, and single-sensor differential thermal analysis (SS-DTA). In addition, alloy 6060 castings were solidified at variable cooling rates approaching that of welding, to provide a reference for comparison with weld microstructure. It was found that a major change in cast microstructure occurs at cooling rates higher than 27
K/s resulting in a structure similar to that observed in weld metal. Rapid cooling is believed to favor low temperature solidification reactions that normally would be achieved only at higher silicon content. Accordingly, additions of 4043 filler metal that increase the weld metal silicon content have only limited affect on weld solidification range and microstructure. This has direct implications regarding how 4043 filler additions improve weldability and weld quality. |
| doi_str_mv | 10.1016/j.msea.2009.03.087 |
| format | Article |
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K/s resulting in a structure similar to that observed in weld metal. Rapid cooling is believed to favor low temperature solidification reactions that normally would be achieved only at higher silicon content. Accordingly, additions of 4043 filler metal that increase the weld metal silicon content have only limited affect on weld solidification range and microstructure. This has direct implications regarding how 4043 filler additions improve weldability and weld quality.</description><subject>6060 Aluminum</subject><subject>Applied sciences</subject><subject>Cooling rate</subject><subject>Exact sciences and technology</subject><subject>GTA weld</subject><subject>Joining, thermal cutting: metallurgical aspects</subject><subject>Metals. Metallurgy</subject><subject>Scanning TEM</subject><subject>Thermal analysis</subject><subject>Weld metal microstructure</subject><subject>Welding</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNp9kDtPwzAUhS0EEqXwB5iywJb0OtexY4kFVbykSjDAbDmOLVzlUewExL8noRUj012-c47uR8glhYwC5att1karsxxAZoAZlOKILGgpMGUS-TFZgMxpWoDEU3IW4xYAKINiQeTLu442cX1o9eD7LvFdwoHDigHDRDdj67uxTb5sUyexb3ztnTe_5Dk5cbqJ9uJwl-Tt_u51_Zhunh-e1reb1CCnQzrNcEAUllYVLbVGxismjJDaGMxBGO7YhBQMS1nnmlFqXc2pNhIrcEWBS3K9792F_mO0cVCtj8Y2je5sP0aFjEnOBE5gvgdN6GMM1qld8K0O34qCmi2prZotqdmSAlSTpSl0dWjX0ejGBd0ZH_-SORWiZGU5cTd7zk6vfnobVDTedsbWPlgzqLr3_838ADcketw</recordid><startdate>20090820</startdate><enddate>20090820</enddate><creator>Coniglio, N.</creator><creator>Cross, C.E.</creator><creator>Dörfel, I.</creator><creator>Österle, W.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20090820</creationdate><title>Phase formation in 6060/4043 aluminum weld solidification</title><author>Coniglio, N. ; Cross, C.E. ; Dörfel, I. ; Österle, W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c361t-14060337e1bb18aa346b47c79acc3207c6f440654389d2a411efd61ac93b0f553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>6060 Aluminum</topic><topic>Applied sciences</topic><topic>Cooling rate</topic><topic>Exact sciences and technology</topic><topic>GTA weld</topic><topic>Joining, thermal cutting: metallurgical aspects</topic><topic>Metals. Metallurgy</topic><topic>Scanning TEM</topic><topic>Thermal analysis</topic><topic>Weld metal microstructure</topic><topic>Welding</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Coniglio, N.</creatorcontrib><creatorcontrib>Cross, C.E.</creatorcontrib><creatorcontrib>Dörfel, I.</creatorcontrib><creatorcontrib>Österle, W.</creatorcontrib><collection>Pascal-Francis</collection><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>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Coniglio, N.</au><au>Cross, C.E.</au><au>Dörfel, I.</au><au>Österle, W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phase formation in 6060/4043 aluminum weld solidification</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2009-08-20</date><risdate>2009</risdate><volume>517</volume><issue>1</issue><spage>321</spage><epage>327</epage><pages>321-327</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>Weld metal microstructure for alloy 6060 aluminum welds, made using the gas-tungsten arc process and alloy 4043 filler metal, has been characterized using optical metallography, EPMA microprobe analysis, SEM/EBSD and STEM/EDX electron microscopy, and single-sensor differential thermal analysis (SS-DTA). In addition, alloy 6060 castings were solidified at variable cooling rates approaching that of welding, to provide a reference for comparison with weld microstructure. It was found that a major change in cast microstructure occurs at cooling rates higher than 27
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| subjects | 6060 Aluminum Applied sciences Cooling rate Exact sciences and technology GTA weld Joining, thermal cutting: metallurgical aspects Metals. Metallurgy Scanning TEM Thermal analysis Weld metal microstructure Welding |
| title | Phase formation in 6060/4043 aluminum weld solidification |
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