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Klaus Schricker, Leander Schmidt, Hannes Friedmann and Jean Pierre Bergmann
The development of adaptive and intelligent clamping devices allows for the reduction of rejects and defects based on weld discontinuities in laser-beam welding. The utilization of fixture-integrated sensors and actuators is a new approach, realizing ada...
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Christian Diegel, Thorsten Mattulat, Klaus Schricker, Leander Schmidt, Thomas Seefeld, Jean Pierre Bergmann and Peer Woizeschke
Background. Spatter formation at melt pool swellings at the keyhole rear wall is a major issue for laser deep penetration welding at speeds beyond 8 m/min. A gas nozzle directed towards the keyhole, that supplies shielding gas locally, is advantageous in...
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Janja Vrzel, Hans Kupfersberger, Carlos Andres Rivera Villarreyes, Johann Fank and Leander Wieser
In Europe, 1132 Mt of sand and gravel were mined in 2019, which causes major changes to the hydrogeological cycle. Such changes may lead to significantly raised or lowered groundwater levels. Therefore, the aggregate sector has to ensure that impacts on ...
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Leander Hake, Stephan Sundermeier and Stefan aus der Wiesche
The results of profile loss measurements, including trailing edge flow details, are presented for the flow of an organic vapor through a linear turbine cascade. The so-called VKI-I blade profile from the open literature was chosen for the cascade, and th...
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Sayako Kodera, Leander Schmidt, Florian Römer, Klaus Schricker, Saichand Gourishetti, David Böttger, Tanja Krüger, András Kátai, Benjamin Straß, Bernd Wolter and Jean Pierre Bergmann
With the increasing power and speed of laser welding, in-process monitoring has become even more crucial to ensure process stability and weld quality. Due to its low cost and installation flexibility, acoustic process monitoring is a promising method and...
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Maria Manoela Cardoso dos Santos,Leander Luiz Klein,Patricia Ines Schwantz,Anderson Alberto Gonçalves Alves,Anna Karoline Silveira
A gestão por processos é um conjunto de práticas empregadas para obter melhores resultados na área da gestão organizacional. Este estudo teve como objetivo analisar a percepção de servidores de uma universidade pública sobre elementos direcionadores da g...
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Leander Hake, Felix Reinker, Robert Wagner, Stefan aus der Wiesche and Markus Schatz
Results from an experimental profile loss study are presented of an additive manufactured linear turbine cascade placed in the test section of a closed-loop organic vapor wind tunnel. This test facility at Muenster University of Applied Sciences allows t...
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Leander Grech, Gianluca Valentino and Diogo Alves
The betatron tune in the Large Hadron Collider (LHC) is measured using a Base-Band Tune (BBQ) system. The processing of these BBQ signals is often perturbed by 50 Hz noise harmonics present in the beam. This causes the tune measurement algorithm, current...
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Leander Schmidt, Klaus Schricker, Jean Pierre Bergmann and Christina Junger
Spatter formation is a major issue in deep penetration welding with solid-state lasers at high welding speeds above 8 m/min. In order to limit spatter formation, the use of local gas flows represents a technically feasible solution. By using the gas flow...
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Lea Christiane Neupauer,Daisy Mui Hung Kee,Helen Ghebregziabher,Jaska Leander Triem,Ida Annica Margareta Antonsson,Anshuman Singh,Danah Naji Alkhoudher,Rafael Alvin Susanto
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Telefonaktiebolaget LM Ericsson (Ericsson) is a Swedish telecom company with branches all over the world. It is not a secret that a company with branches in several diverse cultures has to decide what extent the organization will go in adapting the host ...
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