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@ARTICLE{Pillai:867597,
      author       = {Pillai, R. and Jalowicka, A. and Galiullin, T. and
                      Naumenko, D. and Ernsberger, M. and Herzog, R. and
                      Quadakkers, W. J.},
      title        = {{S}imulating the effect of aluminizing on a
                      {C}o{N}i{C}r{A}l{Y}-coated {N}i-base superalloy},
      journal      = {Calphad},
      volume       = {65},
      issn         = {0364-5916},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2019-06218},
      pages        = {340 - 345},
      year         = {2019},
      abstract     = {MCrAlY (M = Ni, Co) coatings are commonly used on
                      gas-turbine components as oxidation resistant overlay
                      coatings and bondcoats for thermal barrier systems. The
                      present work focuses on the effect of the aluminizing
                      process on the CoNiCrAlY coating microstructure. In the
                      as-received condition the outer part of the coating
                      consisted mostly of β-(Ni,Co)Al with interspersed
                      precipitates of Cr-rich carbide and Cr-rich boride
                      precipitates. Formation of σ-CoCr was observed at the
                      interface between the β-layer and the inner initial
                      CoNiCrAlY microstructure. Scanning electron microscopy (SEM)
                      combined with energy and wavelength-dispersive X-ray
                      spectroscopy (EDX/WDX) was employed to characterize the
                      aluminized CoNiCrAlY coating. Phases were then identified by
                      electron backscatter diffraction (EBSD). Detailed
                      microstructural studies of the coating were corroborated
                      with the help of coupled thermodynamic-kinetic calculations
                      to model the aluminizing process. The calculations were
                      performed with the in-house developed code employing the
                      commercially available thermodynamic and kinetic databases
                      (ThermoCalc). The mechanisms of the observed microstructural
                      changes were elucidated with the help of the modelling
                      results.},
      cin          = {IEK-2},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000470946700034},
      doi          = {10.1016/j.calphad.2019.04.004},
      url          = {https://juser.fz-juelich.de/record/867597},
}