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@ARTICLE{Bakan:837846,
      author       = {Bakan, Emine and Marcano, Diana and Zhou, Dapeng and Sohn,
                      Yoo Jung and Mauer, Georg and Vaßen, Robert},
      title        = {{Y}b2{S}i2{O}7 {E}nvironmental {B}arrier {C}oatings
                      {D}eposited by {V}arious {T}hermal {S}pray {T}echniques: {A}
                      {P}reliminary {C}omparative {S}tudy},
      journal      = {Journal of thermal spray technology},
      volume       = {26},
      number       = {6},
      issn         = {1544-1016},
      address      = {Boston, Mass.},
      publisher    = {Springer},
      reportid     = {FZJ-2017-06623},
      pages        = {1011 - 1024},
      year         = {2017},
      abstract     = {Dense, crack-free, uniform, and well-adhered environmental
                      barrier coatings (EBCs) are required to enhance the
                      environmental durability of silicon (Si)-based ceramic
                      matrix composites in high pressure, high gas velocity
                      combustion atmospheres. This paper represents an assessment
                      of different thermal spray techniques for the deposition of
                      Yb2Si2O7 EBCs. The Yb2Si2O7 coatings were deposited by means
                      of atmospheric plasma spraying (APS), high-velocity oxygen
                      fuel spraying (HVOF), suspension plasma spraying (SPS), and
                      very low-pressure plasma spraying (VLPPS) techniques. The
                      initial feedstock, as well as the deposited coatings, were
                      characterized and compared in terms of their phase
                      composition. The as-sprayed amorphous content,
                      microstructure, and porosity of the coatings were further
                      analyzed. Based on this preliminary investigation, the HVOF
                      process stood out from the other techniques as it enabled
                      the production of vertical crack-free coatings with higher
                      crystallinity in comparison with the APS and SPS techniques
                      in atmospheric conditions. Nevertheless, VLPPS was found to
                      be the preferred process for the deposition of Yb2Si2O7
                      coatings with desired characteristics in a
                      controlled-atmosphere chamber.},
      cin          = {IEK-1},
      ddc          = {670},
      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)16},
      UT           = {WOS:000407335200003},
      doi          = {10.1007/s11666-017-0574-1},
      url          = {https://juser.fz-juelich.de/record/837846},
}