|About this Abstract
||2016 TMS Annual Meeting & Exhibition
||Aluminum Alloys, Processing and Characterization
||Dissimilar Alloy Aluminum Tailor Welded Blanks
||Yuri Hovanski, Piyush Upadhyay, Ayoub Soulami, John Carsley, Blair E. Carlson, Susan E Hartfield-Wunsch, Mark Eisenmenger, Tom Luzanski, Dustin Marshall, Brandon Landino, Glenn Jarvis
|On-Site Speaker (Planned)
The advantages of using tailor-welded blank (TWB) technology to optimize the use of sheet metal in assemblies by selectively varying material thickness, alloy, temper and surface coatings demonstrate the ability to simultaneously reduce cost and weight in automotive structures. While several welding methods are currently available for the production of aluminum TWBs, each with their own advantages and challenges, high speed friction stir welding allows for both linear and curvilinear joint configurations in similar and dissimilar thicknesses. As such, an evaluation of high speed friction stir welding was performed using dissimilar alloy combinations with dissimilar thickness sections. Variations of precipitation strengthened alloys were welded to AA5182, a work hardenable alloy to evaluate the feasibility of joining alloys with different high temperature yield strengths, strengthening mechanisms, and tempers. The effect of welding speed on the precipitation strengthened alloys is especially of interest, as high welding speeds demonstrated shifts in softening mechanisms.
||Planned: Light Metals Volume