Wear behaviour of hard alloy tools in the friction stir welding of AC4A+30vol.%SiCp aluminum matrix composite
- Liu H.J. ,
- Fujii H. and
- Nogi K.
- Liu H.J. ,
- Fujii H. and
- Nogi K.
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Two types of WC-Co hard alloy tools (threaded and smooth) were used to friction stir weld an AC4A aluminium matrix composite (Al, 9%Si reinforced with 30 vol.% SiC particles) and the wear behaviour of the tools was investigated. Samples were butt welded in 1-5 sequences with different rotation speed, welding speed and travel distance combinations, and the tool appearance was examined after each welding. The tool size percent variation was used as an evaluation index to assess the tool wear quantitatively. Comparative experimental results are presented for shoulder wear, pin longitudinal and radial wear, maximum wear location and service life for the two tool types.
5th International Symposium, 14-16 Sep 2004, Session 3A: Metallurgy/Microstructure/Corrosion, Paper 03
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