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@ARTICLE{Nordhorn:155627,
      author       = {Nordhorn, Christian and Mücke, Robert and Unocic, Kinga A.
                      and Lance, Michael J. and Pint, Bruce A. and Vassen, Robert},
      title        = {{E}ffects of thermal cycling parameters on residual
                      stresses in alumina scales of {C}o{N}i{C}r{A}l{Y} and
                      {N}i{C}o{C}r{A}l{Y} bond coats},
      journal      = {Surface and coatings technology},
      volume       = {258},
      issn         = {0257-8972},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2014-04685},
      pages        = {608-614},
      year         = {2014},
      abstract     = {Furnace cycling experiments were performed on free-standing
                      high-velocity oxygen-fuel bond coat samples to investigate
                      the effect of material composition, surface texture, and
                      cycling conditions on the average stresses in the formed
                      oxide scales after cooling. The oxide scale thicknesses were
                      determined by SEM image analyses and information about the
                      stresses were acquired by photo-stimulated
                      luminescence-spectroscopy. Additionally, the scale thickness
                      dependent stress fields were calculated in finite-element
                      analyses including approximation functions for the surface
                      roughness derived on the basis of profilometry data. The
                      evolution of the average residual stress as a function of
                      oxide scale thickness was subject to stochastic fluctuations
                      predominantly caused by local scale spallations. In
                      comparison to the supplemental modeling results, thermal
                      stresses due to mismatch of thermal expansion coefficients
                      are identified as the main contribution to the residual
                      stresses. The theoretical results emphasize that analyses of
                      spectroscopic data acquired for average stress
                      investigations of alumina scales rely on detailed
                      information about microstructural features.},
      cin          = {IEK-1},
      ddc          = {620},
      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:000346895000074},
      doi          = {10.1016/j.surfcoat.2014.08.028},
      url          = {https://juser.fz-juelich.de/record/155627},
}