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@ARTICLE{Vaen:894121,
      author       = {Vaßen, Robert and Bakan, Emine and Sebold, Doris and Sohn,
                      Yoo Jung},
      title        = {{C}orrelation of {P}rocess {C}onditions, {P}orosity
                      {L}evels and {C}rystallinity in {A}tmospherically {P}lasma
                      {S}prayed {Y}b$_{2}${S}i$_{2}${O}$_{7}$ {E}nvironmental
                      {B}arrier {C}oatings},
      journal      = {Journal of composites science},
      volume       = {5},
      number       = {8},
      issn         = {2504-477X},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2021-03049},
      pages        = {198 -},
      year         = {2021},
      abstract     = {Environmental barrier coatings are necessary to protect
                      fibre reinforced ceramics from high recession rates in fast
                      and hot water vapor-containing gases as they typically are
                      found in the hot gas sections of gas turbines. A standard
                      material to protect SiC/SiC composites is atmospherically
                      plasma sprayed (APS) Yb2Si2O7. For this material, it is
                      difficult to obtain at reasonable substrate temperatures
                      both low porosity and high crystallinity levels during APS.
                      In this paper results of coatings prepared by a so-called
                      high velocity APS process and also more conventional
                      processes are presented. All coatings have been prepared by
                      a single layer deposition method which avoids inter passage
                      porosity bands. Furthermore, the samples were heat-treated
                      in air at 1300 °C for 100 h and the influence of the
                      topcoat density on the growth of the silica scale on the
                      used silicon bond coat was studied.},
      cin          = {IEK-1},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {1241 - Gas turbines (POF4-124)},
      pid          = {G:(DE-HGF)POF4-1241},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000691155300001},
      doi          = {10.3390/jcs5080198},
      url          = {https://juser.fz-juelich.de/record/894121},
}