Browsing Fakultät für Maschinenbau by Author "daa35f21-7cf9-4940-9240-5b7ee2618ea5"

Browsing Fakultät für Maschinenbau by Author "daa35f21-7cf9-4940-9240-5b7ee2618ea5"

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  • Challenges in the Forging of Steel-Aluminum Bearing Bushings 
    Behrens, Bernd-Arno; Uhe, Johanna; Petersen, Tom; Klose, Christian; Thürer, Susanne E.; Diefenbach, Julian; Chugreeva, Anna (Basel : MDPI, 2021)
    The current study introduces a method for manufacturing steel–aluminum bearing bush-ings by compound forging. To study the process, cylindrical bimetal workpieces consisting of steel AISI 4820 (1.7147, 20MnCr5) in the ...
  • Characterization and modeling of intermetallic phase formation during the joining of aluminum and steel in analogy to co-extrusion 
    Behrens, Bernd-Arno; Maier, Hans Jürgen; Klose, Christian; Wester, Hendrik; Thürer, Susanne Elisabeth; Heimes, Norman; Uhe, Johanna (Basel : MDPI AG, 2020)
    The reinforcement of light metal components with steel allows to increase the strength of the part while keeping the weight comparatively low. Lateral angular co-extrusion (LACE) offers the possibility to produce hybrid ...
  • Comparison of the Joining Zone Development of Hybrid Semi-Finished Products after Different Extrusion Processes 
    Piweck, Armin; Uhe, Johanna; Peddinghaus, Julius; Ross, Ingo; Behrens, Bernd-Arno (Ostrava : TANGER Ltd., 2022)
    The use of hybrid semi-finished products made of aluminium and steel enables the production of components with locally adapted properties, i.e. high strength and wear-resistance with reduced weight. In the scope of this ...
  • Contact geometry modification of friction-welded semi-finished products to improve the bonding of hybrid components 
    Behrens, Bernd-Arno; Uhe, Johanna; Petersen, Tom; Nürnberger, Florian; Kahra, Christoph; Ross, Ingo; Laeger, René (Basel : MDPI AG, 2021)
    To improve the bond strength of hybrid components when joined by friction welding, specimens with various front end surface geometries were evaluated. Rods made of aluminum AA6082 (AlSi1MgMn/EN AW-6082) and the case-hardening ...
  • Datenqualitätssicherung im Forschungsprozess am Beispiel von Zugversuchen 
    Müller, Laura; Wawer, Max Leo; Heimes, Norman; Uhe, Johanna; Koepler, Oliver; Auer, Sören; Lachmayer, Roland; Mozgova, Iryna (Erlangen : Ehemaligennetzwerk des Lehrstuhls für Konstruktionstechnik (KTmfk) Erlangen e.V., 2023)
    Progressive digitization throughout the entire product data life cycle requires a more sensitive handling and understanding of data within engineering processes. Regarding engineering research data, the aim is to implement ...
  • A design concept of active cooling for tailored forming workpieces during induction heating 
    Ince, Caner-Veli; Chugreeva, Anna; Böhm, Christoph; Aldakheel, Fadi; Uhe, Johanna; Wriggers, Peter; Behrens, Bernd-Arno; Raatz, Annika (Heidelberg : Springer, 2021)
    The demand for lightweight construction is constantly increasing. One approach to meet this challenge is the development of hybrid components made of dissimilar materials. The use of the hybrid construction method for bulk ...
  • Development of a modified tool system for lateral angular co-extrusion to improve the quality of hybrid profiles 
    Behrens, Bernd-Arno; Uhe, Johanna; Thürer, Susanne Elisabeth; Klose, Christian; Heimes, Norman (Amsterdam [u.a.] : Elsevier, 2020)
    The application of monomaterials is limited in lightweight construction concepts, because in addition to the weight requirements, the thermal and mechanical demands are constantly increasing. In order to ensure that the ...
  • FE-based Layer Design of Deposition-Welded Semi-finished Parts for the Production of Hybrid Bevel Gear 
    Behrens, Bernd-Arno; Uhe, Johanna; Wester, Hendrik; Matthias, Tim; Büdenbender, Christoph (Amsterdam [u.a.] : Elsevier, 2020)
    Multi-material solutions offer numerous benefits as they, in contrary to conventional monolithic parts, represent tailor-made hybrid components with enhanced application-optimisation properties. The use of hybrid semi-finished ...
  • In-Situ Wear Measurement of Hot Forging Dies Using Robot Aided Endoscopic Fringe Projection 
    Middendorf, Philipp; Rothgänger, Marcel; Peddinghaus, Julius; Brunotte, Kai; Uhe, Johanna; Behrens, Bernd Arno; Quentin, Lorenz; Kästner, Markus; Reithmeier, Eduard (Baech : Trans Tech Publications Ltd., 2022)
    According to the current state of the art, wear conditions of forging dies are assessed visually in the dismantled state, as there is no measuring procedure available for inline wear measurement of hot forging dies. This ...
  • 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 ...
  • Investigations on Additively Manufactured Stainless Bearings 
    Coors, Timm; Faqiri, Mohamad Yusuf; Saure, Felix; Kahra, Christoph; Buedenbender, Christoph; Peddinghaus, Julius; Prasanthan, Vannila; Pape, Florian; Hassel, Thomas; Herbst, Sebastian; Nuernberger, Florian; Wester, Hendrik; Uhe, Johanna; Breidenstein, Bernd; Denkena, Berend; Behrens, Bernd-Arno; Poll, Gerhard; Maier, Hans Juergen (Basel : MDPI, 2022)
    Additive manufacturing with multi-material design offers great possibilities for lightweight and function-integrated components. A process chain was developed in which hybrid steel–steel-components with high fatigue strength ...
  • Joining zone evaluation of hybrid semi-finished products after backward can extrusion 
    Behrens, Bernd-Arno; Uhe, Johanna; Petersen, Tom; Demter, Phil; Büdenbender, Christoph; Ross, Ingo ([Ostrava-Zabreh] : Tanger Ltd., 2021)
    As a result of the general need for lightweight product design, multi-material systems are gaining in importance. In addition to reducing component weight, the combination of different materials in a single component allows ...
  • Local Heat Treatment in Draw Bending for Profiles of Manganese Boron Steel 22MnB5 
    Behrens, Bernd-Arno; Bonk, Christian; Hübner, Sven; Uhe, Johanna; Klie, Roman; Moritz, Jörn (London : Elsevier Ltd., 2017)
    Due to the increasing demand for vehicles with a low fuel consumption and consequently low emissions, lightweight construction is an important task in the automotive industry. High-strength profile parts reduce the total ...
  • 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 ...
  • Numerical evaluation of forging process designs of a hybrid co-extruded demonstrator consisting of steel and aluminium. 
    Behrens, Bernd-Arno; Wester, Hendrik; Petersen, Tom; Uhe, Johanna; Büdenbender, Christoph; Peddinghaus, Julius; Chugreeva, Anna (Liège : ULiège Library, 2021)
    Multi-material solutions represent a promising approach for the production of load-optimised parts. The combination of material-specific advantages of different materials in a single component allows the fulfilment of ...
  • Numerical investigations on the influence of the weld surface and die geometry on the resulting tensile stresses in the joining zone during an extrusion process 
    Behrens, Bernd-Arno; Duran, Deniz; Uhe, Johanna; Matthias, Tim (Liège : ULiège Library, 2021)
    Bulk metal components are often used in areas which are subjected to very high loads. For most technical components, a distinction between structural and functional areas can be made. These areas usually have very different ...
  • 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 ...
  • A numerical study on co-extrusion to produce coaxial aluminum-steel compounds with longitudinal weld seams 
    Behrens, Bernd-Arno; Klose, Christian; Chugreev, Alexander; Heimes, Norman; Thürer, Susanne Elisabeth; Uhe, Johanna (Basel : MDPI AG, 2018)
    The use of lightweight materials is one possibility to limit the weight of vehicles and to reduce CO2 emissions. However, the mechanical properties and weight-saving potential of mono-materials are limited. Material compounds ...
  • Process chain for the manufacture of hybrid bearing bushings 
    Thürer, Susanne Elisabeth; Chugreeva, Anna; Heimes, Norman; Uhe, Johanna; Behrens, Bernd-Arno; Maier, Hans Jürgen; Klose, Christian (Heidelberg : Springer, 2021)
    The current study presents a novel Tailored Forming process chain developed for the production of hybrid bearing bushings. In a first step, semi-finished products in the form of locally reinforced hollow profiles were ...
  • Tailored Forming of hybrid bulk metal components 
    Behrens, Bernd-Arno; Uhe, Johanna; Ross, Ingo; Peddinghaus, Julius; Ursinus, Jonathan; Matthias, Tim; Bährisch, Susanne (Paris [u.a.] : Springer, 2022)
    Multi-material bulk metal components allow for a resource efficient and functionally structured component design, with a load adaptation achieved in certain functional areas by using similar and dissimilar material ...

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