Browsing by Subject "Reproducibilities"

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  • Analysis of an experimental setup for structural damping identification 
    Hentschel, Olaf Peter; Bonhage, Marius; Panning-von Scheidt, Lars; Wallaschek, Jörg; Denk, Markus; Masserey, Pierre-Alain (Warsaw : Polish Society of Theoretical and Allied Mechanics, 2016)
    In the present paper, an experimental setup for structural damping determination arising from energy dissipations within the material is presented. The experimental setup is developed in such a way that all unintended ...
  • 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 ...
  • Elementary studies on the inducement and relaxation of residual stress 
    Denkena, Berend; Köhler, Jens; Breidenstein, Bernd; Mörke, Tobias (Amsterdam : Elsevier BV, 2011)
    In order to qualify residual stress relaxation as an indicator of mechanical overloading of machined parts, an individually designed residual stress profile has to be allocated. Even though numerous investigations have ...
  • Extension of the IEC 61000-4-20 Annex C to the Use of Arbitrary Transient Signals 
    Briest, Niklas; Hamann, David; Garbe, Heyno; Potthast, Stefan (Piscataway, NJ : Institute of Electrical and Electronics Engineers Inc., 2017)
    Transverse electromagnetic (TEM) waveguides are predominantly used for emission and immunity tests. General requirements for TEM waveguides are given by the IEC 61000-4-20. Annex C of the IEC 61000-4-20 specifies immunity ...
  • In situ determination of antimony isotope ratios in Sb minerals by femtosecond LA-MC-ICP-MS 
    Kaufmann, A.B.; Lazarov, M.; Kiefer, S.; Majzlan, J.; Weyer, S. (Cambridge : ChemSoc, 2021)
    Here we present a method for in situ determination of stable antimony (Sb) isotope compositions by ultraviolet (UV)-femtosecond-laser-ablation-multi-collector-ICP-MS (fs-LA-MC-ICP-MS). Metallic antimony and a number of Sb ...
  • In vivo degradation behavior of the magnesium alloy land442 in rabbit tibiae 
    Ullmann, Berit; Reifenrath, Janin; Dziuba, Dina; Seitz, Jan-Marten; Bormann, Dirk; Meyer-Lindenberg, Andrea (Basel : MDPI AG, 2011)
    In former studies the magnesium alloy LAE442 showed promising in vivo degradation behavior and biocompatibility. However, reproducibility might be enhanced by replacement of the rare earth composition metal "E" by only a ...
  • Laser powder bed fusion of WE43 in hydrogen-argon-gas atmosphere 
    Abel, Arvid; Wessarges, Yvonne; Julmi, Stefan; Hoff, Christian; Hermsdorf, Jörg; Klose, Christian; Maier, Hans Jürgen; Kaierle, Stefan; Overmeyer, Ludger (Amsterdam : Elsevier B.V., 2020)
    Growing demand for individual and especially complex parts with emphasis on biomedical or lightweight applications enhances the importance of laser powder bed fusion. Magnesium alloys offer both biocompatibility and low ...
  • Optimization of anodic porous transport electrodes for proton exchange membrane water electrolyzers 
    Bühler, Melanie; Hegge, Friedemann; Holzapfel, Peter; Bierling, Markus; Suermann, Míchel.; Vierrath, Severin; Thiele, Simon (Cambridge : Royal Society of Chemistry, 2019)
    In this study we investigate the potential of porous transport electrode (PTE) based membrane electrode assemblies (MEAs) for proton exchange membrane water electrolysis. The focus is on the overpotential determining anodic ...