Abstract
The oscillating effect of the laser beam on the molten pool during laser welding will cause the flow behavior of the mdifferent from that of traditional laser welding. Therefore, in order to theoretically explain the characteristics of the molten pool inwelding process, a thermal-fluid numerical model of 5A06 aluminum alloy oscillating laser welding process was built in this papeoscillating amplitude and frequency on the heat flow field of circular oscillating laser welding is systematically analyzed. The resincrease of the amplitude will reduce the aspect ratio of the molten pool and improve the welding stability. At the same time, the fmolten pool is more complex, which increases the material exchange range in the molten pool. The increase of the frequency willmolten pool and make it more regular, which is conducive to the discharge of bubbles and reduces porosity.
| Translated title of the contribution | Influence of circular oscillating laser on the melt flow behavior during 5A06 aluminum alloy laser welding |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 50-55+83 |
| Journal | Hanjie Xuebao/Transactions of the China Welding Institution |
| Volume | 43 |
| Issue number | 11 |
| DOIs | |
| State | Published - Nov 2022 |
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