Influence of the laser and its scan width in the LDNA surfacing process

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Barroi, A.; Amelia, J.; Hermsdorf, J.; Kaierle, S.; Wesling, V.: Influence of the laser and its scan width in the LDNA surfacing process. In: Physics Procedia 56 (2014), S. 204-210. DOI:

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Sum total of downloads: 58

The novel laser-assisted double-wire non-transferred arc (LDNA) surfacing process that melts two consumable wires with an arc between them and uses a laser to guide the process has shown very promising results. Investigations show that it is possible to create single seams with a complete bond and low dilution at a deposition rate of 7.5 kg/h. In case of multiple seams, joint defects might be formed between the seams due to unfavourable seam geometry. In this paper, results on the optimization of this geometry with an adapted laser scan width are presented. An average connection angle of 93 degrees has been achieved on the side of the weld, where additional seams are placed. It is expected that with these results multiple seams can be welded without producing joint defects, thus leading to an intact layer.
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

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pos. country downloads
total perc.
1 image of flag of Germany Germany 38 65.52%
2 image of flag of United States United States 8 13.79%
3 image of flag of Canada Canada 3 5.17%
4 image of flag of China China 2 3.45%
5 image of flag of Taiwan Taiwan 1 1.72%
6 image of flag of Russian Federation Russian Federation 1 1.72%
7 image of flag of Ireland Ireland 1 1.72%
8 image of flag of Hong Kong Hong Kong 1 1.72%
9 image of flag of United Kingdom United Kingdom 1 1.72%
10 image of flag of France France 1 1.72%
    other countries 1 1.72%

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