Microstructure evolution and mechanical properties of Cu-Al joints by ultrasonic welding
Dissimilar joints of copper to aluminium were produced by high power ultrasonic welding (USW). The interfacial reaction between copper and 6061 aluminium alloy as a function of welding time was studied. The intermetallic compound (IMC) layer is mainly composed of CuAl 2 and Cu 9 Al 4 . The thickness...
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| Veröffentlicht in: | Science and technology of welding and joining 2014-08, Vol.19 (6), p.500-504 |
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| creator | Yang, J. W. Cao, B. He, X. C. Luo, H. S. |
| description | Dissimilar joints of copper to aluminium were produced by high power ultrasonic welding (USW). The interfacial reaction between copper and 6061 aluminium alloy as a function of welding time was studied. The intermetallic compound (IMC) layer is mainly composed of CuAl
2
and Cu
9
Al
4
. The thickness of the IMC layer increases with the welding time. For a relatively long welding time (0·7 s) in USW, the dendritic solidification microstructure was observed in local regions, owing to the occurrence of the eutectic reaction, α-Al+θ→L, in the welding process. The lap shear load (or strength) of the joints first increases and then decreases with increasing welding time, and the failure of the joints occurred dominantly at the interface. This is mainly attributed to the development of IMC layer at the interface. |
| doi_str_mv | 10.1179/1362171814Y.0000000218 |
| format | Article |
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2
and Cu
9
Al
4
. The thickness of the IMC layer increases with the welding time. For a relatively long welding time (0·7 s) in USW, the dendritic solidification microstructure was observed in local regions, owing to the occurrence of the eutectic reaction, α-Al+θ→L, in the welding process. The lap shear load (or strength) of the joints first increases and then decreases with increasing welding time, and the failure of the joints occurred dominantly at the interface. This is mainly attributed to the development of IMC layer at the interface.</description><identifier>ISSN: 1362-1718</identifier><identifier>EISSN: 1743-2936</identifier><identifier>DOI: 10.1179/1362171814Y.0000000218</identifier><language>eng</language><publisher>London, England: Taylor & Francis</publisher><subject>Al-Cu ; Dissimilar joint ; Intermetallic compound ; Microstructure ; Ultrasonic welding</subject><ispartof>Science and technology of welding and joining, 2014-08, Vol.19 (6), p.500-504</ispartof><rights>2014 Institute of Materials, Minerals and Mining 2014</rights><rights>2014 Institute of Materials, Minerals and Mining</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c456t-837e07d450fbdf5c2e57a1ed3124e6275b2e9b5a20ea4588accfa48d9f98d10d3</citedby><cites>FETCH-LOGICAL-c456t-837e07d450fbdf5c2e57a1ed3124e6275b2e9b5a20ea4588accfa48d9f98d10d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1179/1362171814Y.0000000218$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1179/1362171814Y.0000000218$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,780,784,21819,27924,27925,43621,43622</link.rule.ids></links><search><creatorcontrib>Yang, J. W.</creatorcontrib><creatorcontrib>Cao, B.</creatorcontrib><creatorcontrib>He, X. C.</creatorcontrib><creatorcontrib>Luo, H. S.</creatorcontrib><title>Microstructure evolution and mechanical properties of Cu-Al joints by ultrasonic welding</title><title>Science and technology of welding and joining</title><description>Dissimilar joints of copper to aluminium were produced by high power ultrasonic welding (USW). The interfacial reaction between copper and 6061 aluminium alloy as a function of welding time was studied. The intermetallic compound (IMC) layer is mainly composed of CuAl
2
and Cu
9
Al
4
. The thickness of the IMC layer increases with the welding time. For a relatively long welding time (0·7 s) in USW, the dendritic solidification microstructure was observed in local regions, owing to the occurrence of the eutectic reaction, α-Al+θ→L, in the welding process. The lap shear load (or strength) of the joints first increases and then decreases with increasing welding time, and the failure of the joints occurred dominantly at the interface. This is mainly attributed to the development of IMC layer at the interface.</description><subject>Al-Cu</subject><subject>Dissimilar joint</subject><subject>Intermetallic compound</subject><subject>Microstructure</subject><subject>Ultrasonic welding</subject><issn>1362-1718</issn><issn>1743-2936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLAzEUhYMoWGr_guQPTM1rXstSfEHFjYKuQiaPmpImJclY5t87ZQTd9W7uXZzvcM8B4BajJcZ1e4dpRXCNG8w-l2gagpsLMMM1owVpaXU53qOoOKmuwSIl2yFMCWGUshn4eLEyhpRjL3MfNdTfwfXZBg-FV3Cv5ZfwVgoHDzEcdMxWJxgMXPfFysFdsD4n2A2wdzmKFEYpPGqnrN_egCsjXNKL3z0H7w_3b-unYvP6-LxebQrJyioXDa01qhUrkemUKSXRZS2wVhQTpitSlx3RbVcKgrRgZdMIKY1gjWpN2yiMFJ2DavI9xUhRG36Idi_iwDHip4r4v4r4X0UjSCcwia3mu9BHP_55nlpNlPUmxL04hugUz2JwIZoovLSJ0zMeP1RRfgo</recordid><startdate>20140801</startdate><enddate>20140801</enddate><creator>Yang, J. W.</creator><creator>Cao, B.</creator><creator>He, X. C.</creator><creator>Luo, H. S.</creator><general>Taylor & Francis</general><general>SAGE Publications</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20140801</creationdate><title>Microstructure evolution and mechanical properties of Cu-Al joints by ultrasonic welding</title><author>Yang, J. W. ; Cao, B. ; He, X. C. ; Luo, H. S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c456t-837e07d450fbdf5c2e57a1ed3124e6275b2e9b5a20ea4588accfa48d9f98d10d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Al-Cu</topic><topic>Dissimilar joint</topic><topic>Intermetallic compound</topic><topic>Microstructure</topic><topic>Ultrasonic welding</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, J. W.</creatorcontrib><creatorcontrib>Cao, B.</creatorcontrib><creatorcontrib>He, X. C.</creatorcontrib><creatorcontrib>Luo, H. S.</creatorcontrib><collection>CrossRef</collection><jtitle>Science and technology of welding and joining</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, J. W.</au><au>Cao, B.</au><au>He, X. C.</au><au>Luo, H. S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructure evolution and mechanical properties of Cu-Al joints by ultrasonic welding</atitle><jtitle>Science and technology of welding and joining</jtitle><date>2014-08-01</date><risdate>2014</risdate><volume>19</volume><issue>6</issue><spage>500</spage><epage>504</epage><pages>500-504</pages><issn>1362-1718</issn><eissn>1743-2936</eissn><abstract>Dissimilar joints of copper to aluminium were produced by high power ultrasonic welding (USW). The interfacial reaction between copper and 6061 aluminium alloy as a function of welding time was studied. The intermetallic compound (IMC) layer is mainly composed of CuAl
2
and Cu
9
Al
4
. The thickness of the IMC layer increases with the welding time. For a relatively long welding time (0·7 s) in USW, the dendritic solidification microstructure was observed in local regions, owing to the occurrence of the eutectic reaction, α-Al+θ→L, in the welding process. The lap shear load (or strength) of the joints first increases and then decreases with increasing welding time, and the failure of the joints occurred dominantly at the interface. This is mainly attributed to the development of IMC layer at the interface.</abstract><cop>London, England</cop><pub>Taylor & Francis</pub><doi>10.1179/1362171814Y.0000000218</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Science and technology of welding and joining, 2014-08, Vol.19 (6), p.500-504 |
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| language | eng |
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| source | Access via SAGE |
| subjects | Al-Cu Dissimilar joint Intermetallic compound Microstructure Ultrasonic welding |
| title | Microstructure evolution and mechanical properties of Cu-Al joints by ultrasonic welding |
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