A feasibility study for stationary shoulder self-reacting pin tool welding
- Suda T. ,
- Sakamoto Y. ,
- Miyamichi T. ,
- et al
- Suda T. ,
- Sakamoto Y. ,
- Miyamichi T. and
- Sato T.
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An investigation is presented into the development of the stationary shoulder self-reacting pin tool (SSSRPT) as a friction stir welding variant and the application of the tool to fabrication of butt joints in sheets (thickness 4 mm) of A6N01 alloys (Al, 0.4-0.8%Mg, 0.4-0.9%Si). Three SSSRPT configurations were studied - two with one stationary shoulder on the top or bottom and a third with double-side stationary shoulders - and all tools were designed to have identical probe geometry and shoulder radius. Weldments were characterised with respect to surface quality (appearance and roughness), optical microscopy microstructure observations, hardness measurements and tensile tests. Numerical simulation of the heat input and material flow during the welding process was conducted by the finite element method.
9th International Symposium, 15-17 May 2012, Session 4A: Variants I, Paper 04
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