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EFFECT OF SELECTED TOOL SHAPE ON FRICTION STIR WELDING METAL FLOW OF ALUMINUM TO COPPER | ||
| Al-Qadisiyah Journal for Engineering Sciences | ||
| Article 1, Volume 10, Issue 1, 2017, Pages 72-80 PDF (0 K) | ||
| Authors | ||
| Baha Sami Mahdi* ; Hussain Abdulaziz Abrahem; Enaam Obeid Hassoun | ||
| Department of Production Engineering and Metallurgy, Iraq | ||
| Abstract | ||
| This work includes an experimental procedure to studying the behavior of flow of dissimilar metal in the friction stir welding process to joining Aluminum to Copper. And investigating the effect of square and cylindrical probe tool shape on the joint metal flow behavior. The findings demonstrate that the square probe shows better joint properties than the cylindrical probe, and that the most stirring effect happens on the aluminum side with fine copper rich particles embedded in aluminum matrix. There are two recognized regions, the first region represent the effect shoulder and the second represents the probe stirs effect. The stir effect in the Cooper side is less than the stir effect in the Aluminum side with a laminate form of rich Copper to Aluminum. These laminates are the source of the fine particles founded in aluminum side upper and lower regions. | ||
| Keywords | ||
| FSW; dissimilar welding; solid state welding process; tool design | ||
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