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Interaction mechanism in hybrid laser arc welding

Wechselwirkungsmechanismen beim Laserstrahl-Lichtbogen-Hybridschweißen
: Mahrle, Achim; Rose, Sascha; Lohse, Martin; Beyer, Eckhard; Füssel, Uwe

Fulltext urn:nbn:de:0011-n-3162029 (597 KByte PDF)
MD5 Fingerprint: 0a2ea450bff395b36478aa7d0c5ccdf7
Created on: 6.12.2014

Kaierle, S. (Congress General Chair) ; Laser Institute of America -LIA-:
ICALEO 2014, 33rd International Congress on Applications of Lasers & Electro-Optics. Congress proceedings. Online resource : October 19-23, 2014, San Diego, CA, USA
Orlando, Fla.: LIA, 2014
ISBN: 978-1-9401680-2-9
Paper 1202, 10 pp.
International Congress on Applications of Lasers & Electro Optics (ICALEO) <33, 2014, San Diego/Calif.>
Conference Paper, Electronic Publication
Fraunhofer IWS ()

Achievable benefits in hybrid laser-arc welding are closely related to suitable parameter settings. Basic optimizations consequently need a profound understanding of the relevance of involved interaction mechanisms. These are however differently evaluated and discussed in literature. This paper gives an overview on the most popular hypotheses in the field of laser-arc processing. The importance of direct interactions between laser radiation and arc plasma as well as the role of metal evaporation are particularly considered by own experimental and numerical investigations. The results of this analysis suggest that these phenomena cannot be regarded as main driving mechanisms for synergistic achievements in hybrid laser-arc welding with respect to process stability and performance.