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@ARTICLE{Palaniyappan:904065,
      author       = {Palaniyappan, Saravanan and Trautmann, Maik and Mao, Yiran
                      and Riesch, Johann and Gowda, Parikshith and Rudolph, Nick
                      and Coenen, Jan Willem and Neu, Rudolf and Wagner, Guntram},
      title        = {{Y}ttria-{C}oated {T}ungsten {F}ibers for {U}se in
                      {T}ungsten {F}iber-{R}einforced {C}omposites: {A}
                      {C}omparative {S}tudy on {PVD} vs. {CVD} {R}outes},
      journal      = {Coatings},
      volume       = {11},
      number       = {9},
      issn         = {2079-6412},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2021-05635},
      pages        = {1128 -},
      year         = {2021},
      abstract     = {Tungsten fiber-reinforced tungsten (Wf/W) composites are
                      being developed to improve the intrinsic brittleness of
                      tungsten. In these composites, engineered fiber/matrix
                      interfaces are crucial in order to realize toughening
                      mechanisms. For such a purpose, yttria (Y2O3), being one of
                      the suitable interface materials, could be realized through
                      different coating techniques. In this study, the deposition
                      of thin films of yttria on a 150 µm tungsten wire by
                      physical and chemical vapor deposition (PVD and CVD)
                      techniques is comparatively investigated. Although
                      fabrication of yttria is feasible through both CVD and PVD
                      routes, certain coating conditions such as temperature,
                      growth rate, oxidation of Wf, etc., decide the qualitative
                      nature of a coating to a particular extent. In the case of
                      PVD, the oxidation of Wf is highly reduced compared to the
                      WO3 formation in high-temperature CVD coating processes.
                      Yttria-coated tungsten fibers are examined comprehensively
                      to characterize their microstructure, phase, and chemical
                      composition using SEM, XRD, and Raman spectroscopy
                      techniques, respectively},
      cin          = {IEK-4},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {134 - Plasma-Wand-Wechselwirkung (POF4-134)},
      pid          = {G:(DE-HGF)POF4-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000699439000001},
      doi          = {10.3390/coatings11091128},
      url          = {https://juser.fz-juelich.de/record/904065},
}