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@INPROCEEDINGS{Richter:863918,
      author       = {Richter, Alexei and Berger, Lutz-Michael and Conze, Susan
                      and Sohn, Yoo Jung and Vassen, Robert},
      title        = {{E}mergence and impact of {A}l2{T}i{O}5 in
                      {A}l2{O}3-{T}i{O}2 {APS} {C}oatings},
      reportid     = {FZJ-2019-03881},
      year         = {2019},
      abstract     = {Despite numerous studies and decades of industrial
                      application, there is still a lack of understanding about
                      the formation and the impact of aluminum titanate (Al2TiO5)
                      in Al2O3-TiO2 thermal spray coatings. Especially the
                      influence of the detailed feedstock powder characteristics
                      on the phase composition has only crudely been investigated
                      so far. Therefore, in this work we have quantified the
                      Al2TiO5 content in three commercial Al2O3-TiO2 feedstock
                      powders with 13 $wt.\%$ TiO2 and three powders with 40
                      $wt.\%$ TiO2. The effect of the varying phase compositions
                      of the powders and their relevance for the properties and
                      the phase compositions of the respective APS coatings was
                      characterized in detail. While detrimental to the mechanical
                      properties of 40 $wt.\%$ TiO2 coatings, we have found an
                      enhancement of the hardness for 13 $wt.\%$ TiO2 coatings
                      with an increasing Al2TiO5 content in the feedstock powder.
                      Furthermore, it was found that Al2TiO5 may reform during APS
                      when sprayed from an Al2TiO5-free powder.},
      month         = {Mar},
      date          = {2019-03-06},
      organization  = {21. Werkstofftechnisches Kolloquium,
                       Chemnitz (Germany), 6 Mar 2019 - 7 Mar
                       2019},
      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/863918},
}