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Download statistics - Document (COUNTER):
Emde, B.; Huse, M.; Hermsdorf, J.; Kaierle, S.; Wesling, V. et al.: Influence of welding current and focal position on the resonant absorption of laser radiation in a TIG welding arc. In: Physics Procedia 56 (2014), S. 646-652. DOI: https://doi.org/10.1016/j.phpro.2014.08.064
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Sum total of downloads: 116
| Abstract: | |
The work presents the influence of welding current and focal position on the resonant absorption of diode laser radiation in a TIG welding arc. The laser beam is guided perpendicular to the electrical arc to avoid an interaction with the electrodes. Laser power measurements have shown a reduction of the measured laser power up to 18 % after passing the electrical arc. This reduction results from the interaction of argon shielding gas atoms and laser radiation at 810.4 nm and 811.5 nm. The interaction is strongly affected by the adjusted welding current and the adjustment of the laser beam and the electrical arc. Lowering the welding current or shifting the laser beam out of the centerline of the electrical arc reduces the ionization probability. An increased ionization is necessary to decrease the resistance of the electrical arc. | |
| License of this version: | CC BY-NC-ND 3.0 Unported |
| Document Type: | Article |
| Publishing status: | publishedVersion |
| Issue Date: | 2014 |
| Appears in Collections: | An-Institute |
distribution of downloads over the selected time period:
downloads by country:
| pos. | country | downloads | ||
|---|---|---|---|---|
| total | perc. | |||
| 1 |  |
Germany | 60 | 51.72% |
| 2 |  |
United States | 17 | 14.66% |
| 3 |  |
China | 17 | 14.66% |
| 4 |  |
Russian Federation | 3 | 2.59% |
| 5 |  |
Hong Kong | 3 | 2.59% |
| 6 |  |
Colombia | 2 | 1.72% |
| 7 |  |
Korea, Republic of | 1 | 0.86% |
| 8 |  |
Iran, Islamic Republic of | 1 | 0.86% |
| 9 |  |
India | 1 | 0.86% |
| 10 |  |
Bulgaria | 1 | 0.86% |
| other countries | 10 | 8.62% | ||
Further download figures and rankings:
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