Temperature-properties relationships in FSW of aluminium alloys
- Aldanondo E. ,
- Arruti E. ,
- Sarasa J. ,
- et al
- Aldanondo E. ,
- Arruti E. ,
- Sarasa J. ,
- Echeverria A. ,
- Lacoste E. and
- Coupard D.
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In relation to the challenges involved in temperature data acquisition and transmission associated with rotation of the friction stir welding (FSW) tool, an investigation is presented into a wireless temperature monitoring system based on thermocouples and radiofrequency data transmission and into results obtained from FSW trials on aluminium alloy sheets (thickness 3 mm). K-type thermocouples were embedded into the FSW tool connected to a transmitter and a stationary receptor was used to register the temperature data sent by the rotating transmitter. Butt joints were fabricated in AA 2024-T3 and AA 6082-T6 alloys by FSW at a rotational speed of 500-1500 rpm, welding speed of 254 or 305 mm/min and axial force of 4.45-9.34 kN. Weldment quality was assessed by microstructural observations using optical microscopy, SEM and energy dispersive spectroscopy. The relationships between process parameters, processing temperatures and welded joint properties are discussed.
11th International Symposium, 17-19 May 2016, Session 6A: Process Control, Paper 01
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