A preliminary study on friction stir welding of dissimilar metal joints of copper and aluminium
- Savolainen K. ,
- Mononen J. ,
- Saukkonen T. ,
- et al
- Savolainen K. ,
- Mononen J. ,
- Saukkonen T. and
- Hanninen H.
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Description
The friction stir weldability of the dissimilar materials copper and aluminium alloy was studied, assessing the effects of different process parameters (rotation and traverse speeds, rotation direction (Cu or Al on advancing side), displacement and tilt angle), and the weld quality was examined by radiographic and ultrasonic inspection, tensile testing, hardness profile and electrical conductivity measurements, and SEM. Butt joints were produced between plates (10 mm thickness) of cold rolled oxygen-free electrolytically refined copper and an extruded Al alloy (EN-AW 6060-T6) using one-sided and double-sided welding with a Triflat tool. To further investigate the formation of intermetallic phases, one weld sample was annealed (400 deg.C for 4 h) and the relationship between intermetallics and embrittlement was explored.
6th International Symposium, 10-13 Oct 2006, Session 13A: FSW Al-Steel/Cu, Paper 02
Subjects
- Friction welding
- Welding
- Process
- Friction stir welding
- Nonferrous
- Material
- Copper and Cu alloys
- Aluminium and Al alloys
- 6xxx Al series
- Process conditions
- Weldability
- Strength
- Mechanical properties
- Properties
- Ultimate tensile strength
- Hardness
- Electrical properties
- Electrical resistance
- Heat treatment
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