Abstract
According to the high flatness requirement of a specific aluminum component, the direct current activating TIG welding (DC A-TIG) has been realized by using a self-developed activating flux. The appearance, internal qualities, microstructures and mechanical properties of the DC A-TIG welds have been studied. The results indicate that when the activating flux concentration is 15%, a 2A14 DC A-TIG weld with good appearance, internal quality and mechanical property can be obtained. Comparing to the alternating current TIG (AC TIG) welds, the mechanical properties of the DC A-TIG welds are a little higher and the number of the micro porosities decreases dramatically.
| Translated title of the contribution | Analysis of direct current A-TIG welding of 2A14 aluminum alloy |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 93-97 |
| Number of pages | 5 |
| Journal | Hanjie Xuebao/Transactions of the China Welding Institution |
| Volume | 39 |
| Issue number | 10 |
| DOIs | |
| State | Published - 25 Oct 2018 |
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