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@PHDTHESIS{Rott:862429,
      author       = {Rott, Sebastian},
      othercontributors = {Schleifenbaum, Johannes Henrich and Witt, Gerd},
      title        = {{H}omogenisierung lokaler {P}rozesscharakteristika für das
                      {L}aserstrahlschmelzen; 1. {A}uflage},
      school       = {RWTH Aachen University},
      type         = {Dissertation},
      address      = {Aachen},
      publisher    = {Apprimus Verlag},
      reportid     = {RWTH-2023-00508},
      isbn         = {978-3-98555-131-6},
      series       = {Ergebnisse aus der additiven Fertigung},
      pages        = {1 Online-Ressource : Illustrationen},
      year         = {2022},
      note         = {Veröffentlicht auf dem Publikationsserver der RWTH Aachen
                      University 2023; Dissertation, RWTH Aachen University, 2022},
      abstract     = {Powder Bed Fusion of Metal with Laser Beam (PBF-LB/M) is
                      one of the additive processes used in series production of
                      complex engine components. Process-related design options
                      offer weight savings inengine operation and, as a result,
                      enormous potential for future engine generations. The
                      premise for the usability of PBF-LB/M components in
                      aerospace applications are reproducible and build
                      platform-independent component characteristics, such as
                      density or surface roughness, which can only be guaranteed
                      to a limited extent. Thus, local variations within the
                      process characteristics, such as energy input, powder
                      application or shielding gas flow, can cause an influence on
                      crack-initiating component characteristics, therefore
                      affecting the fatigue behavior. Within the scope of this
                      work, the influence of local process characteristics on the
                      crack-initiating component characteristics is
                      identified,evaluated and influenced by means of process and
                      machine adaptations.While the process characteristics are
                      initially examined by means of ahomogeneity analysis
                      regarding their build platform dependency, the respective
                      influence evaluation of the component characteristics is
                      then carried out by means of regression models. Based on the
                      results, a synthesis of homogenization concepts including
                      the corresponding designis conducted. Finally, the changes
                      in the process characteristics caused by the homogenization
                      concepts used are quantified and the regression models are
                      validated with the measurement results.},
      cin          = {421510},
      ddc          = {620},
      cid          = {$I:(DE-82)421510_20170406$},
      typ          = {PUB:(DE-HGF)11 / PUB:(DE-HGF)3},
      doi          = {10.18154/RWTH-2023-00508},
      url          = {https://publications.rwth-aachen.de/record/862429},
}