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Tang, Wei
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Publications (5/5 displayed)
- 2017Report Summarizing the Effort Required to Initiate Welding of Irradiated Materials within the Welding Cubicle
- 2017Effects of thread interruptions on tool pins in friction stir welding of AA6061citations
- 2015Effect of tool pin features on process response variables during friction stir welding of dissimilar aluminum alloyscitations
- 2013Direct measurement of coherency limits for strain relaxation in heteroepitaxial core/shell nanowirescitations
- 2009Electrocatalytic Activity of Gold−Platinum Clusters for Low Temperature Fuel Cell Applicationscitations
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article
Effect of tool pin features on process response variables during friction stir welding of dissimilar aluminum alloys
Abstract
In this article, the effect of pin features and orientation/placement of the materials on advancing side were investigated for friction stir welding (FSW) of dissimilar aluminum alloys AA2050 and AA6061. Pins for FSW were produced with a 2.12 mm pitch thread having three flats/flutes. Three sets of rotational speed/welding speed were used to perform a series of welds in a butt joint arrangement. The results show that, joint quality, process response variables and welding temperature are highly affected by pin features and material orientation in FSW. Defect free joints with effective material transportation in the weld nugget zone were obtained when welding was performed with AA2050 on the advancing side. The tool also encounters less in-plane reaction force for welding with 2050 on the advancing side. Pin with thread+3 flats produces quality welds at low rotational and travel speed regardless of the location of alloys on advancing or retreating side.