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@ARTICLE{Nies:150853,
      author       = {Nies, Daniel and Rehmer, Birgit and Skrotzki, Birgit and
                      Vaßen, Robert},
      title        = {{D}amage {C}haracterization of {T}hermal {B}arrier
                      {C}oatings by {A}coustic {E}mission and {T}hermography},
      journal      = {Advanced engineering materials},
      volume       = {14},
      number       = {9},
      issn         = {1438-1656},
      address      = {Weinheim},
      publisher    = {Wiley-VCH Verl.},
      reportid     = {FZJ-2014-00888},
      pages        = {790 - 794},
      year         = {2012},
      abstract     = {Thermal barrier coatings allow increasing the operating
                      temperature and efficiency of land-, sea-, or air-based
                      turbines. As failure of the coating may result in serious
                      damage of the turbine, reliable estimation of its lifetime
                      is essential. To assess the lifetime, cyclic tests are
                      conceived to combine thermal loading by heating the surface
                      of the coating with laser irradiation and nondestructive
                      methods for damage determination. Using laser irradiation
                      allows a high reproducibility of the thermal load. The
                      temperature of the sample surface during thermal loading is
                      determined by an infrared-camera which also enables the
                      possibility to detect damage in the coating via
                      thermography. Additionally, four acoustic sensors, attached
                      to the experimental setup, are used to detect damage in the
                      sample and determine the source of acoustic events. Results
                      of acoustic emission correlate well with thermographic
                      images that visualize the formation and evolution of damage
                      through delaminations in the samples.},
      cin          = {IEK-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {122 - Power Plants (POF2-122)},
      pid          = {G:(DE-HGF)POF2-122},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000308254000006},
      doi          = {10.1002/adem.201200107},
      url          = {https://juser.fz-juelich.de/record/150853},
}