Control of weld composition when welding high strength aluminium alloy using the tandem process
A new cost effective process for generating different weld element compositions has been examined. Utilising tandem welding technology, different series aluminium filler wires were mixed in a single weld pool with the result that the composition of the principal alloy elements, copper and magnesium...
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| Veröffentlicht in: | Science and technology of welding and joining 2009-11, Vol.14 (8), p.734-739 |
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| container_title | Science and technology of welding and joining |
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| creator | Pickin, C. G. Williams, S. W. Prangnell, P. B. Robson, J. Lunt, M. |
| description | A new cost effective process for generating different weld element compositions has been examined. Utilising tandem welding technology, different series aluminium filler wires were mixed in a single weld pool with the result that the composition of the principal alloy elements, copper and magnesium were accurately controlled. Thermodynamic modelling was then used to predict an optimum weld bead composition for eliminating solidification cracking when welding Al2024. In order to validate the predicted target composition, the tandem process was used to control the composition of the weld bead. The presented results show that using this system to deposit a controlled ternary composition weld, solidification cracking was eliminated when welding highly constrained test pieces. In contrast, cracking was evident when using commercially available binary filler wires under the same conditions. |
| doi_str_mv | 10.1179/136217109X12505932584817 |
| format | Article |
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The presented results show that using this system to deposit a controlled ternary composition weld, solidification cracking was eliminated when welding highly constrained test pieces. In contrast, cracking was evident when using commercially available binary filler wires under the same conditions.</description><subject>FILLER WIRE DEVELOPMENT</subject><subject>HIGH STRENGTH ALUMINIUM ALLOYS</subject><subject>TANDEM WELDING</subject><subject>THERMODYNAMIC MODELLING</subject><issn>1362-1718</issn><issn>1743-2936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqNkEtLAzEUhQdRsNT-h6zcjSa5mUeWUnxBwY2Cu5DJZDqRTFKTDKX_3tS6FV3dw-U793GKAhF8Q0jDbwnUlDQE83dCK1xxoFXLWtKcFQvSMCgph_o864yVmWsvi1WMpsMEKGUAbFGItXcpeIv8gPba9kj5aeejScY7tB-1--4at0Wj2Y4opqDdNo1I2nkyzsxTVtYf0ByPTBo1StL1ekK74JWO8aq4GKSNevVTl8Xbw_3r-qncvDw-r-82pWKsTiWQpuqAaN0RLkFKCrxuhr7XBFhDOwoAVPKaMw24V12HKcbAsKSqrRTP-LK4Ps3Nez9nHZOYTFTaWum0n6OAGqq6BZ7B9gSq4GMMehC7YCYZDoJgcQxV_BZqtlYna5RbLT78HFx-6T--9cln3ODDJPc-2F4kebA-DEE6ZfJ9f075ApmLjpE</recordid><startdate>20091101</startdate><enddate>20091101</enddate><creator>Pickin, C. 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| identifier | ISSN: 1362-1718 |
| ispartof | Science and technology of welding and joining, 2009-11, Vol.14 (8), p.734-739 |
| issn | 1362-1718 1743-2936 |
| language | eng |
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| source | Access via SAGE |
| subjects | FILLER WIRE DEVELOPMENT HIGH STRENGTH ALUMINIUM ALLOYS TANDEM WELDING THERMODYNAMIC MODELLING |
| title | Control of weld composition when welding high strength aluminium alloy using the tandem process |
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