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@INPROCEEDINGS{Koch:201728,
      author       = {Koch, Denise and Sohn, Yoo Jung and Vassen, Robert},
      title        = {{A}tmospheric plasma spraying of self-healing thermal
                      barrier coatings},
      reportid     = {FZJ-2015-04022},
      year         = {2015},
      abstract     = {The state-of-the-art material for the topcoat of thermal
                      barrier coatings (TBCs) is yttria stabilized zirconia (YSZ).
                      Due to induced stresses while thermal cycling, cracks
                      develop near the thermally grown oxide layer (TGO), which
                      can cause delamination. In the described approach a
                      self-healing TBC will be created by embedding MoSi2 in the
                      topcoat. The developed cracks will be refilled due to
                      oxidation and the accompanying volume expansion. By this the
                      lifetime of TBCs can be improved. As the topcoat still
                      consists of YSZ the TBC is expected to have the advantages
                      of the state-of-the-art material and the described
                      self-healing ability. The processing parameters to produce
                      composite YSZ/MoSi2 coatings by atmospheric plasma spraying
                      (APS) have been studied. A major challenge are the different
                      characteristics of MoSi2 and YSZ in terms of melting
                      temperature and oxidation behavior. The quality of the
                      coatings has been evaluated by X-ray powder diffraction and
                      scanning electron microscopy.},
      month         = {May},
      date          = {2015-05-11},
      organization  = {International Thermal Spray Conference
                       and Exposition, Long Beach, CA (USA),
                       11 May 2015 - 14 May 2015},
      subtyp        = {Invited},
      cin          = {IEK-1},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113) / HITEC - Helmholtz Interdisciplinary Doctoral
                      Training in Energy and Climate Research (HITEC)
                      (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-113 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/201728},
}