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@ARTICLE{Wakui:57565,
      author       = {Wakui, T. and Malzbender, J. and Steinbrech, R. W.},
      title        = {{S}train dependent stiffness of plasma sprayed thermal
                      barrier coatings},
      journal      = {Surface and coatings technology},
      volume       = {200},
      issn         = {0257-8972},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-57565},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The strain dependency of the stiffness of bonded and
                      free-standing thermal barrier coatings (TBCs) was analyzed
                      using four point bending. The deformation in top and side
                      face of the material was observed in-situ using optical and
                      scanning electron microscopy. For freestanding TBCs, the
                      strain of the tensile part above the neutral bending axis
                      was larger than on the compressive part. Furthermore, the
                      ratio of strain of tensile to compressive part increased
                      with increasing applied strain and the position of the
                      neutral axis sifted further to compressive side. The
                      stiffness for free-standing TBC changed from 8 to 17 GPa
                      with applied strain. For bonded TBCs, the average stiffness
                      under tensile or compressive bending was determined
                      considering residual stresses. The stiffness of the bonded
                      TBCs increased from 12 to 38 GPa as the applied strain was
                      increased from -0.75 to $0.11\%.$ This strong strain
                      dependency of the TBC stiffness can be associated with the
                      large number of micro-cracks and pores. Finally, a unifying
                      stress-strain curve is presented for strains from -0.75 to
                      $0.23\%$ obtained using results of the free-standing and
                      bonded TBC. (c) 2005 Elsevier B.V All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IWV-2},
      ddc          = {620},
      cid          = {I:(DE-Juel1)VDB2},
      pnm          = {Rationelle Energieumwandlung},
      pid          = {G:(DE-Juel1)FUEK402},
      shelfmark    = {Materials Science, Coatings $\&$ Films / Physics, Applied},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000236590300044},
      doi          = {10.1016/j.surfcoat.2005.05.001},
      url          = {https://juser.fz-juelich.de/record/57565},
}