Auflistung nach Schlagwort "Joining"

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  • Closed loop control for laser micro spot welding using fast pyrometer systems 
    Stehr, T.; Hermsdorf, J.; Henning, T.; Kling, R. (Amsterdam : Elsevier B.V., 2010)
    Laser micro spot welding offers temperature resistant high strength contacts without filler material. However, due to varying surface absorption properties of copper, the welding quality shows poor reproducibility. To ...
  • Creating load-adapted mechanical joints between tubes and sheets by controlling the material flow under plastically unstable tube upsetting 
    Sviridov, A.; Rusch, M.; Almohallami, A.; Bonk, Christian; Bouguecha, Anas; Bambach, M.; Behrens, Bernd-Arno (Amsterdam : Elsevier, 2017)
    Mechanical joining processes provide various advantages over conventional fusion welding of metallic components such as shorter cycle times, little or no heat input and reduced need for subsequent surface finishing operations. ...
  • Enhancement of the interface of friction welded steel-aluminium joints 
    Behrens, Bernd-Arno; Duran, Deniz; Matthias, Tim; Ross, Ingo (Berlin : Springer, 2020)
    Lightweight multi-material components are of great importance for the transport industry. Not only the component’s weight can be decreased, but also its local properties can be adapted to different loading profiles. Tailored ...
  • Form-flexible handling and joining technology (formhand) for the forming and assembly of limp materials 
    Löchte, Christian; Kunz, Holger; Schnurr, Raphael; Langhorst, Sören; Dietrich, Franz; Raatz, Annika; Dilger, Klaus; Dröder, Klaus (Amsterdam : Elsevier, 2014)
    The assembly of limp, elastic or differently shaped objects poses a huge challenge which needs to be met by machine tools and the corresponding processes of handling, forming and joining. These processes are often carried ...
  • Forming and Joining of Carbon-Fiber-Reinforced Thermoplastics and Sheet Metal in One Step 
    Behrens, Bernd-Arno; Hübner, Sven; Grbic, Nenad; Micke-Camuz, Moritz; Wehrhane, Tim; Neumann, André (London : Elsevier Ltd., 2017)
    The processing and component properties of metals have led to their worldwide success in mechanical engineering. Their advantages are high ductility, efficient production methods, good joining ability and nearly isotropic ...
  • High-power laser welding of thick steel-aluminum dissimilar joints 
    Lahdo, Rabi; Springer, André; Pfeifer, Ronny; Kaierle, Stefan; Overmeyer, Ludger (Amsterdam : Elsevier B.V., 2016)
    According to the Intergovernmental Panel on Climate Change (IPCC), a worldwide reduction of CO2-emissions is indispensable to avoid global warming. Besides the automotive sector, lightweight construction is also of high ...
  • Influence of degree of deformation on welding pore reduction in high-carbon steels 
    Behrens, Bernd-Arno; Maier, Hans Jürgen; Poll, Gerhard; Overmeyer, Ludger; Wester, Hendrik; Uhe, Johanna; Hassel, Thomas; Pape, Florian; Lammers, Marius; Hermsdorf, Jörg; Kaierle, Stefan; Budde, Laura; Saure, Felix; Mildebrath, Maximilian; Coors, Timm; Faqiri, Mohamad Yusuf; Büdenbender, Christoph (Berlin : Springer, 2021)
    Locally adapted properties within a machine component offer opportunities to increase the performance of a component by using high strenght materials where they are needed. The economic production of such hybrid components ...
  • Investigation of the composite strength of hybrid steel-steel semi-finished products manufactured by laser beam welding and friction welding 
    Behrens, Bernd-Arno; Chugreev, A.; Matthias, T.; Nothdurft, S.; Hermsdorf, J.; Kaierle, Stefan; Ohrdes, H.; Twiefel, J.; Wallaschek, J.; Mildebrath, M.; Hassel, T. (Bristol : IOP Publishing Ltd., 2018)
    An ever-increasing demand for more effective products with lower weight, more compact design and extended functionality has led to the use of material combinations with locally adapted properties instead of mono-materials. ...
  • Investigations on laser beam welding of different dissimilar joints of steel and aluminum alloys for automotive lightweight construction 
    Seffer, Oliver; Pfeifer, Ronny; Springer, André; Kaierle, Stefan (Amsterdam : Elsevier B.V., 2016)
    Due to the enormous potential of weight saving, and the consequential reduction of pollutant emissions, the use of hybrid components made of steel and aluminum alloys is increasing steadily, especially concerning automotive ...
  • Investigations on the mechanism of microweld changes during ultrasonic wire bonding by molecular dynamics simulation 
    Long, Yangyang; He, Bo; Cui, Weizhe; Ji, Yuhang; Zhuang, Xiaoying.; Twiefel, Jens (Amsterdam : Elsevier Ltd, 2020)
    Despite the wide and long-term applications of ultrasonic (US) wire bonding and other US metal joining technologies, the mechanism of microweld changes during the bonding process, including formation, deformation and ...
  • Mechanical properties of co-extruded aluminium-steel compounds 
    Thürer, Susanne Elisabeth; Uhe, Johanna; Golovko, Oleksandr; Bonk, Christian; Bouguecha, Anas; Behrens, Bernd-Arno; Klose, Christian (Pfaffikon : Scientific.Net, 2017)
    Within the scope of the Collaborative Research Centre (CRC) 1153 novel process chains for the production of hybrid solid components by Tailored Forming are developed at the Leibniz Universität Hannover. The combination of ...
  • Novel form-flexible handling and joining tool for automated preforming 
    Kunz, Holger; Löchte, Christian; Dietrich, Franz; Raatz, Annika; Fischer, Fabian; Dröder, Klaus; Dilger, Klaus (Berlin : De Gruyter, 2015)
    The production rates of carbon fiber reinforced plastic (CFRP) parts are rising constantly which in turn drives research to bring a higher level of automation to the manufacturing processes of CFRP. Resin transfer molding ...
  • Numerical investigations regarding a novel process chain for the production of a hybrid bearing bushing 
    Behrens, Bernd-Arno; Maier, Hans Jürgen; Poll, Gerhard; Wriggers, Peter; Aldakheel, Fadi; Klose, Christian; Nürnberger, Florian; Pape, Florian; Böhm, Christoph; Chugreeva, Anna; Coors, Tim; Duran, Deniz; Thürer, Susanne E.; Herbst, Sebastian; Hwang, Jae-Il; Matthias, Tim; Heimes, Norman; Uhe, Johanna (Heidelberg : Springer, 2020)
    This contribution deals with the numerical investigations to develop a novel process chain for hybrid solid components using Tailored Forming. For manufacturing a hybrid bearing bushing, co-extrusion is the first step to ...
  • Optical coherence tomography for laser transmission joining processes in polymers and semiconductors 
    Meyer, Heiko; Zabic, Miroslav; Kaierle, Stefan; Ripken, Tammo (Amsterdam : Elsevier B.V., 2018)
    Laser transmission welding applications become wide spread technology in joining transparent and turbid materials. The requirement of higher throughputs and lesser rejects support the need of alternative methods to commonly ...
  • Standardized emission quantification and control of costs for environmental measures 
    Walter, J.; Hustedt, M.; Wesling, V.; Barcikowski, S. (Amsterdam : Elsevier B.V., 2011)
    Laser welding and soldering are important industrial joining processes. As is known, LGACs (Laser Generated Air Contaminants) cause costs for environmental measures during production of complex metallic components (steel, ...
  • Temperature distribution during laser based heat conduction welding of CFRP 
    Wippo, V.; Winter, Y.; Jaeschke, P.; Suttmann, O.; Kaierle, Stefan; Overmeyer, Ludger (Amsterdam : Elsevier B.V., 2018)
    For the implementation of carbon fiber reinforced (CFRP) parts, these need to be assembled to more complex structures. Therefore, laser transmission welding was transferred to heat conduction welding for joining thermoplastic ...