Friction stir girth welding of dissimilar metal rods and its application
- Yasui T. ,
- Wu-Bian T. ,
- Hanai A. ,
- et al
- Yasui T. ,
- Wu-Bian T. ,
- Hanai A. ,
- Mori T. ,
- Hirosawa K. and
- Fukumoto M.
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With regard to the development of a hybrid structure tool holder to facilitate chatter vibration suppression in metal cutting processes, an investigation was undertaken into the use of friction stir girth welding (FSGW) to fabricate dissimilar joints between AA 6063-T3 aluminium alloys (Al, 0.55%Mg, 0.51%Si) and an Mn-Cu damping alloy (Mn, 22.4%Cu, 5.16%Ni). The experimental set-up for FSGW between dissimilar metal rods incorporated a 3-axis FSW system, a rotating jig for welding materials and a support roller. Movement of the welding tool and the rotating jig were regulated by a position control system. Trials were performed with respect to two-body welding between AA 6063 and damping alloy and three-body welding between S45C steel (0.42-0.48%C, 0.15-0.35%Si, 0.6-0.9%Mn), AA 6063 and damping alloy. The damping characteristics of the three-body welded joint were examined by hammering tests.
12th International Symposium, 26-28 Jun 2018, Session 8B: Dissimilar, Paper 03
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