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@ARTICLE{Vorktter:906833,
      author       = {Vorkötter, Christoph and Mack, Daniel Emil and Zhou,
                      Dapeng and Guillon, Olivier and Vaßen, Robert},
      title        = {{E}ffect of {L}ow-{CTE} {O}xide-{D}ispersion-{S}trengthened
                      {B}ond {C}oats on {C}olumnar-{S}tructured {YSZ} {C}oatings},
      journal      = {Coatings},
      volume       = {12},
      number       = {3},
      issn         = {2079-6412},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2022-01727},
      pages        = {396 -},
      year         = {2022},
      abstract     = {Thermal barrier coatings (TBCs) are commonly used to
                      protect gas turbine components from high temperatures and
                      oxidation. Such coatings consist of ceramic top coats and
                      metallic bond coats. The mismatch in thermal expansion of
                      the top coat, the bond coat and the component material is
                      one main factor leading to the failure of the coating
                      system. Columnar-structured top coats offer an enhanced
                      tolerance to the strain during thermal cycling. On a flat
                      bond coated surface, these TBCs reach higher thermal cycling
                      performance. However, on rough surfaces, as used for thermal
                      spray coatings, the performance of these thermal barrier
                      coatings seems to be restricted or even stays below the
                      performance of atmospheric-plasma-sprayed (APS) thermal
                      barrier coatings. This low performance is linked to
                      out-of-plane stresses at the interface between the top coat
                      and the bond coat. In this study, a thin additional
                      oxide-dispersion-strengthened (ODS) bond coat with high
                      alumina content provides a reduced mismatch of the
                      coefficient of thermal expansion (CTE) between the top coat
                      and the bond coat. Columnar suspension plasma sprayed (SPS),
                      yttria-stabilized zirconia (YSZ) TBCs were combined with
                      low-CTE ODS bond coats. The behavior of these TBCs was
                      characterized with respect to thermal cycling performance
                      and degradation in a burner-rig facility. The comparison
                      showed an up-to-four-fold increase in the performance of the
                      new system.},
      cin          = {IEK-1 / JARA-ENERGY},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
      pnm          = {1241 - Gas turbines (POF4-124)},
      pid          = {G:(DE-HGF)POF4-1241},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000775643400001},
      doi          = {10.3390/coatings12030396},
      url          = {https://juser.fz-juelich.de/record/906833},
}