• Tool wear when using natural rocks as cutting material for the turning of aluminum alloys and plastics 

  Breidenstein, Bernd; Denkena, Berend; Bergmann, Benjamin; Picker, Tobias; Wolters, Philipp (Berlin, Heidelberg : Springer, 2022)

  The growing challenges regarding climate-neutral and resource-saving manufacturing technology is forcing research and development to work out new cutting tool alternatives since the production of conventional cutting ...
• Numerical investigation of the influence of process parameters and tool path on the temperature in the laser glass deposition (LGD) process 

  Denkena, B.; Dittrich, M.-A.; Malek, T.; Sleiman, K.; Rettschlag, K.; Jäschke, P.; Kaierle, S. (Berlin, Heidelberg : Springer, 2022)

  Additive manufacturing has gained interest in the industry due to its flexibility in design and the possibility to integrate functionalities. Thereby, glass has a high potential to be developed also in this field due to ...
• Dressing of hybrid-bonded graded diamond grinding wheels 

  Denkena, Berend; Bergmann, Benjamin; Raffalt, Daniel (Berlin, Heidelberg : Springer, 2022)

  For tool grinding, an optimization potential in terms of productivity is available using graded grinding wheels. This is especially the case when grinding flutes in cemented carbide. Due to the properties of the cemented ...
• Design for Recycling Strategies Based on the Life Cycle Assessment and End of Life Options of Plastics in a Circular Economy 

  Venkatachalam, Venkateshwaran; Pohler, Merlin; Spierling, Sebastian; Nickel, Louisa; Barner, Leonie; Endres, Hans‐Josef (Weinheim : Wiley-VCH, 2022)

  The plastic economy, despite offering unique properties in fulfilling the functions of products in different industrial sectors over decades, has so far been mainly linear, that is, “take-make and dispose” with only a small ...
• Clinching of inductively heated aluminum die casting 

  Yarcu, Sinan; Behrens, Bernd-Arno; Huebner, Sven; Schuchardt, Torsten; Dilger, Klaus; Meichsner, Thomas Paul (Berlin, Heidelberg : Springer, 2022)

  The aim of the investigations described in this article is to improve the clinching of aluminum die casting. The focus is on clinching an aluminum die casting alloy by local heat treatment and hence to join them in a ...
• Nonevaporable getter-MEMS for generating UHV conditions in small volumina 

  Diekmann, Leonard Frank; Kassner, Alexander; Dencker, Folke; Wurz, Marc Christopher (New York, NY : AIP Publishing, 2022)

  The industrial use of quantum sensors requires further miniaturization of the experimental peripherals, i.e., the high vacuum chamber, laser technology, and control electronics. A central part of the high vacuum chamber ...
• Evaluation of methods for measuring tool-chip contact length in wet machining using different approaches (microtextured tool, in-situ visualization and restricted contact tool) 

  Ellersiek, Lars; Menze, Christian; Sauer, Florian; Denkena, Berend; Möhring, Hans-Christian; Schulze, Volker (Berlin, Heidelberg : Springer, 2022)

  The contact length is one of the most important factors to evaluate the chip formation process and the mechanical loads in metal cutting. Over the years, several methods to identify the contact length were developed. ...
• Automated process planning in milling of hybrid components 

  Denkena, Berend; Wichmann, Marcel; Heide, Klaas Maximilian; Wiesener, Frederik; Nguyen, Hai Nam (Berlin, Heidelberg : Springer, 2023)

  Hybrid material composites can meet the increasing demands for high strength and low weight due to their different workpiece properties. Usually, hybrid components require post-machining after their fabrication. Due to the ...
• Non-destructive, Contactless and Real-Time Capable Determination of the α’-Martensite Content in Modified Subsurfaces of AISI 304 

  Fricke, Lara Vivian; Thürer, Susanne Elisabeth; Jahns, Moritz; Breidenstein, Bernd; Maier, Hans Jürgen; Barton, Sebastian (Dordrecht [u.a.] : Springer Science + Business Media, 2022)

  Cryogenic turning can be used to produce deformation-induced martensite in metastable austenitic steels. Martensite exhibits a higher hardness than austenite and increases the wear resistance of the workpiece. In order to ...
• User-Specific Parameterization of Process Monitoring Systems 

  Denkena, B.; Klemme, H.; Becker, J.; Blech, H. (Berlin, Heidelberg : Springer, 2022)

  Errors in milling processes such as tool breakage or material inhomogeneities are a major risk to the quality of machined workpieces. Errors like a broken tool may also lead to damages to the machine tool. Process monitoring ...
• Influence of XHV-adequate atmosphere on surface integrity 

  Prasanthan, V.; Denkena, B.; Bergmann, B. (Berlin, Heidelberg : Springer, 2022)

  In aerospace engineering, high temperature alloys such as titanium are the preferred choice. However, machining of such materials remains a major challenge due to high process forces and process temperatures. Currently, ...
• The preliminary design of a scaled Composite UHBR Fan for a wind tunnel test campaign 

  Paletta, N.; Flüh, J.; Lindemann, J.; Seume, J.; Goessling, J.; Friedrichs, J.; Eggers, T.; Russo, S.; Natale, N.; Vlachos, D.; Mazarakos, D.; Baltopoulos, A.; Vavouliotis, A. (London [u.a.] : IOP Publishing, 2022)

  AbstractThe ambition of the CA3ViAR project is to design an open test case fan that experiences instability mechanisms, which are representative for ultra-high bypass ratio (UHBR) fans of civil aircrafts, and to perform a ...
• Influence of honeycomb structures on straight-through labyrinth seal aerodynamics 

  Oettinger, Marcel; Kluge, Tim; Seume, Joerg ([Zug] : GPPS, 2022)

  Shroud cavities in aero engines are typically formed by a labyrinth seal between the rotating turbine shroud and the stationary casing wall. To mitigate rub-in and reduce weight, the casing often features honeycomb structures ...
• Non-destructive Evaluation of Workpiece Properties along the Hybrid Bearing Bushing Process Chain 

  Fricke, Lara Vivian; Thürer, Susanne Elisabeth; Kahra, Christoph; Bährisch, Susanne; Herbst, Sebastian; Nürnberger, Florian; Behrens, Bernd-Arno; Maier, Hans Jürgen; Klose, Christian; Barton, Sebastian (New York, NY : Springer, 2022)

  To combine the advantages of two materials, hybrid bulk metal workpieces are attractive for subsequent processes such as metal forming. However, hybrid materials rely on the initial bond strength for the effective transfer ...
• Discoloration of AISI 420 stainless steel in dependence of inter layer time during Laser-based Powder Bed Fusion 

  Wahl, Jan Philipp; Bernhard, Robert; Hermsdorf, Jörg; Kaierle, Stefan (Amsterdam [u.a.] : Elsevier, 2022)

  Parts built by laser-based powder bed fusion (PBF-LB) experience intervals of heating and cooling during the powder deposition and the selective melting of successive layers. Short time intervals of cooling can lead to ...
• Expert system-supported optimization of laser welding of additively manufactured thermoplastic components 

  Kuklik, Julian; Mente, Torben; Wippo, Verena; Jaeschke, Peter; Kaierle, Stefan; Overmeyer, Ludger (Amsterdam [u.a.] : Elsevier, 2022)

  Laser transmission welding (LTW) is a known technique to join conventionally produced thermoplastic parts, e.g. injected molded parts. When using LTW for additively manufactured parts (usually prototypes, small series), ...
• Design of additively manufacturable injection molds with conformal cooling 

  Wahl, Jan Philipp; Niedermeyer, Jens; Bernhard, Robert; Hermsdorf, Jörg; Kaierle, Stefan (Amsterdam [u.a.] : Elsevier, 2022)

  Additive manufacturing enables the production of intricate geometries including internal structures. This design freedom can be used advantageously to enhance heat transfer in injection molds by means of conformal cooling. ...
• Large-scale CO2 laser-based sol-gel annealing of titanium dioxide on borosilicate glass 

  Desens, Michael; Wesang, Kristin; Rettschlag, Katharina; Wermbter, Karsten; Jäschke, Peter; Overmeyer, Ludger; Kaierle, Stefan (Amsterdam [u.a.] : Elsevier, 2022)

  There are several ways to create optical filters on glass, such as the low-cost sol-gel coating. However, to make this process even more effective and flexible, a laser instead of a conventional furnace process was used ...
• CO2 laser based welding of borosilicate glass by Laser Glass Deposition 

  Sleiman, Khodor; Legutko, Martin; Rettschlag, Katharina; Jäschke, Peter; Overmeyer, Ludger; Kaierle, Stefan (Amsterdam [u.a.] : Elsevier, 2022)

  Due to its thermal and chemical resistance, borosilicate glass finds a wide range of applications in optics, chemical laboratories and in glass apparatus engineering. For the manufacturing of complex glass components, the ...
• Influence of laser spot oscillation parameters on the seam geometry and dilution in the LDNA process 

  Bokelmann, Tjorben; Lammers, Marius; Hermsdorf, Jörg; Emadmostoufi, Sobhan; Mokrov, Oleg; Sharma, Rahul; Reisgen, Uwe; Kaierle, Stefan (Amsterdam [u.a.] : Elsevier, 2022)

  The “Laser-assisted double wire with non-transferred arc surfacing process (LDNA)” is characterized by an electric arc burning between the filling wires. The molten filler material is fed to the substrate surface by gravity ...

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