Dissimilar joining of AA1050 aluminium alloy and hot-stamped boron steels using friction stir, friction stir spot welding and friction stir shoulder welding
- da Silva A.A.M. ,
- Aldanondo E. ,
- Alvarez P. ,
- et al
- da Silva A.A.M. ,
- Aldanondo E. ,
- Alvarez P. and
- Echeverrua A.
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Description
The influence of joining parameters on the microstructure, intermetallics, hardness, shear properties and tensile strength of dissimilar friction stir welds between AA1050 aluminium alloy and hot-stamped boron steels was investigated. Overlap welds were made by friction stir welding (FSW), friction stir spot welding and friction stir shoulder welding in AA1050 (Al, 0.129%Si, 0.009%Mn, 0.001%Cr, 0.004%Cu, 0.01%Ti, 0.238%Fe, 2.5 mm thickness) and 22MnB5 Al-Si-coated hot-stamped boron steel (0.226%C, 0.244%Si, 1.206%Mn, 0.165%Cr, 0.033%Ti, 0.034%Ni, 0.0017%B, 0.044%Al, 1.8 mm thickness). The effects of plunge depth, feed rate and rotational speed were determined. The creation of intermetallic compounds in the Al-steel interface in some joints is described. The importance of tool wear in the FSW of these materials is discussed.
8th International Symposium, 18-20 May 2010, Session 10B: Automotive Spot 2, Paper 01
Subjects
- Aluminium and Al alloys
- Nonferrous
- Material
- 1xxx Al series
- Ferrous
- Steels
- Process
- Process conditions
- Process equipment
- Friction stir welding tools
- Friction welding
- Welding
- Friction stir spot welding
- Friction stir welding
- Microstructure
- Mechanical properties
- Properties
- Hardness
- Strength
- Ultimate tensile strength
- Tribological properties
- Wear
- Dissimilar materials
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