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@ARTICLE{Spathara:891655,
      author       = {Spathara, Dimitra and Sergeev, Dmitry and Kobertz, Dietmar
                      and Müller, Michael and Putman, Duncan and Warnken, Nils},
      title        = {{T}hermodynamic study of single crystal, {N}i-based
                      superalloys in the γ+γ′ two-phase region using {K}nudsen
                      {E}ffusion {M}ass {S}pectrometry, {DSC} and {SEM}},
      journal      = {Journal of alloys and compounds},
      volume       = {870},
      issn         = {0925-8388},
      address      = {Lausanne},
      publisher    = {Elsevier},
      reportid     = {FZJ-2021-01641},
      pages        = {159295 -},
      year         = {2021},
      abstract     = {Second and third generation single crystal (SX) Ni-based
                      superalloys are considered to be sensitive to
                      microsegregation, incipient melting and microstructural
                      instability. Thus, their thermodynamic properties and
                      stability at high temperatures are of key importance. Vapour
                      composition consisting of four species has been detected in
                      the temperature range 1453–1573 K. This was found after
                      studies of three single crystal Ni-based superalloys CMSX-4,
                      CMSX‐10K® and CMSX‐10N® using the method of Knudsen
                      Effusion Mass Spectrometry (KEMS). The activities of Ni, Co,
                      Cr, and Al have been determined in the γ+γ′, two-phase
                      region. A series of Differential Scanning Calorimetry (DSC)
                      measurements were carried out at various ramping up rates to
                      determine phase transition temperatures; the γ′ solvus,
                      the solidus and the liquidus temperature were obtained.
                      Back-scattered Electron Imaging (BEI) and Energy Dispersive
                      Spectroscopy (EDS) measurements were performed and depicted
                      the effect post KEMS for such complex multicomponent
                      systems.},
      cin          = {IEK-2},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {122 - Elektrochemische Energiespeicherung (POF4-122)},
      pid          = {G:(DE-HGF)POF4-122},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000641310500002},
      doi          = {10.1016/j.jallcom.2021.159295},
      url          = {https://juser.fz-juelich.de/record/891655},
}