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@INPROCEEDINGS{Richter:845703,
      author       = {Richter, Alexei and Sohn, Yoo Jung and Berger, Lutz-Michael
                      and Vassen, Robert},
      title        = {{I}nfluence of the {C}haracteristics of ${A}l2{O}3-40\%$
                      {T}i{O}2 {F}eedstock {P}owders on the {M}icrostructure and
                      the {M}echanical {P}roperties of {APS} {C}oatings},
      reportid     = {FZJ-2018-02915},
      year         = {2018},
      abstract     = {Thermally sprayed coatings of the Al2O3/TiO2 system have
                      been providing favorable mechanical, electrical and thermal
                      properties in various industrial applications for several
                      decades. However, the influence of the characteristics of
                      the feedstock powder has not been investigated in detail so
                      far. For example, the effect of the compound aluminum
                      titanate (Al2TiO5) on the coating properties is still an
                      open question. Accordingly, in this study we analyzed three
                      distinct commercially available fused and crushed powders of
                      the same nominal composition (40 wt. $\%$ TiO2), but with
                      varying Al2TiO5 contents and different distributions of the
                      metallic elements. Although similar in their composition,
                      size distribution, and powder particle morphology, the three
                      powders exhibited clearly distinguishable differences during
                      processing by atmospheric plasma spraying (APS) using an F4
                      plasma torch and resulted in different mechanical properties
                      of the coatings. Therefore, special focus was directed
                      towards the formation and stability of Al2TiO5 during the
                      atmospheric plasma spray process and its influence on the
                      microstructure of the coating. These findings are expected
                      to enable the targeted optimization of the coating
                      properties by a more adequate specification of the feedstock
                      powder.},
      month         = {Apr},
      date          = {2018-04-10},
      organization  = {93. DKG Jahrestagung, München
                       (Germany), 10 Apr 2018 - 13 Apr 2018},
      subtyp        = {After Call},
      cin          = {IEK-1},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/845703},
}