Abstract
The fraction of slipping between the tool and the workpiece during friction stir welding was calculated based on the measured torque and axial force with a sampling frequency of 1000 Hz. The results showed that the torque and fraction of slipping present a variation with the same periodicity that is equal to the time of one tool rotation. A model was proposed to present the average slipping fraction under different process parameters. The variation of the contact condition between the tool and the workpiece in one rotation was explained.
| Original language | English |
|---|---|
| Pages (from-to) | 338-341 |
| Number of pages | 4 |
| Journal | Science and Technology of Welding and Joining |
| Volume | 17 |
| Issue number | 4 |
| DOIs | |
| State | Published - May 2012 |
Keywords
- Contact condition
- Fraction of slipping
- Friction stir welding
- Periodicity
- Torque
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