Details
| Original language | English |
|---|---|
| Pages (from-to) | 661-665 |
| Number of pages | 5 |
| Journal | Procedia CIRP |
| Volume | 94 |
| Early online date | 15 Sept 2020 |
| Publication status | Published - 2020 |
| Externally published | Yes |
| Event | 11th CIRP Conference on Photonic Technologies, LANE 2020 - Virtual, Online Duration: 7 Sept 2020 → 10 Sept 2020 |
Abstract
Recent developments in laser beam sources expand the possibilities of laser beam welding of similar and dissimilar copper joints. New methods of beam shaping and adjustable intensity profiles using two layer fibers create a center and ring spot, which is the newest state of the art in fiber laser beam sources. In this study, the influences and possibilities of adjustable intensity profiles on the weldability of steel copper dissimilar lap joints with copper on the top side will be discussed. The results show that the former problems of spattering and poor beam coupling in copper can be avoided through new beam shaping technologies and adjusted parameter settings. In the investigations joints without melt ejections on copper surfaces of state of the art fiber laser technologies are demonstrated and the influence of different intensity distributions on the weld geometry will be discussed.
Keywords
- Adjustable intensity profiles, Beam coupling, Copper, Dissimilar joints, Spatter reduction, Steel
ASJC Scopus subject areas
- Engineering(all)
- Control and Systems Engineering
- Engineering(all)
- Industrial and Manufacturing Engineering
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In: Procedia CIRP, Vol. 94, 2020, p. 661-665.
Research output: Contribution to journal › Conference article › Research › peer review
}
TY - JOUR
T1 - Advantages of adjustable intensity profiles for laser beam welding of steel copper dissimilar joints
AU - Rinne, Jonas Sebastian
AU - Nothdurft, Sarah
AU - Hermsdorf, Jörg
AU - Kaierle, Stefan
AU - Overmeyer, Ludger
N1 - Funding Information: The authors would like to thank Coherent, Inc. as well as their representatives for supporting the investigations and for their complaisant cooperation.
PY - 2020
Y1 - 2020
N2 - Recent developments in laser beam sources expand the possibilities of laser beam welding of similar and dissimilar copper joints. New methods of beam shaping and adjustable intensity profiles using two layer fibers create a center and ring spot, which is the newest state of the art in fiber laser beam sources. In this study, the influences and possibilities of adjustable intensity profiles on the weldability of steel copper dissimilar lap joints with copper on the top side will be discussed. The results show that the former problems of spattering and poor beam coupling in copper can be avoided through new beam shaping technologies and adjusted parameter settings. In the investigations joints without melt ejections on copper surfaces of state of the art fiber laser technologies are demonstrated and the influence of different intensity distributions on the weld geometry will be discussed.
AB - Recent developments in laser beam sources expand the possibilities of laser beam welding of similar and dissimilar copper joints. New methods of beam shaping and adjustable intensity profiles using two layer fibers create a center and ring spot, which is the newest state of the art in fiber laser beam sources. In this study, the influences and possibilities of adjustable intensity profiles on the weldability of steel copper dissimilar lap joints with copper on the top side will be discussed. The results show that the former problems of spattering and poor beam coupling in copper can be avoided through new beam shaping technologies and adjusted parameter settings. In the investigations joints without melt ejections on copper surfaces of state of the art fiber laser technologies are demonstrated and the influence of different intensity distributions on the weld geometry will be discussed.
KW - Adjustable intensity profiles
KW - Beam coupling
KW - Copper
KW - Dissimilar joints
KW - Spatter reduction
KW - Steel
UR - http://www.scopus.com/inward/record.url?scp=85093362611&partnerID=8YFLogxK
U2 - 10.1016/j.procir.2020.09.103
DO - 10.1016/j.procir.2020.09.103
M3 - Conference article
AN - SCOPUS:85093362611
VL - 94
SP - 661
EP - 665
JO - Procedia CIRP
JF - Procedia CIRP
SN - 2212-8271
T2 - 11th CIRP Conference on Photonic Technologies, LANE 2020
Y2 - 7 September 2020 through 10 September 2020
ER -