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@ARTICLE{Vaen:874255,
      author       = {Vaßen, R. and Fiebig, J. and Kalfhaus, T. and Gibmeier, J.
                      and Kostka, A. and Schrüfer, S.},
      title        = {{C}orrelation of {M}icrostructure and {P}roperties of
                      {C}old {G}as {S}prayed {INCONEL} 718 {C}oatings},
      journal      = {Journal of thermal spray technology},
      volume       = {29},
      issn         = {1544-1016},
      address      = {Boston, Mass.},
      publisher    = {Springer},
      reportid     = {FZJ-2020-01346},
      pages        = {1455-1465},
      year         = {2020},
      abstract     = {In the cold gas spray process, deposition of particles
                      takes place through intensive plastic deformation upon
                      impact in a solid state at temperatures well below their
                      melting point. The high particle impact velocities and
                      corresponding peening effects can lead to high compressive
                      residual stresses in cold spray coatings. This can be
                      advantageous with regard to mechanical properties as fatigue
                      life and hence, cold spray is an ideal process for repair
                      applications. In this study, INCONEL 718 particles were cold
                      sprayed by using nitrogen as propellant gas. The deposited
                      coatings with different thicknesses were characterized using
                      electron microscopy techniques to study grain refinement and
                      precipitates in the coating. In addition, depth-resolved
                      residual stress measurements have been performed by the
                      incremental hole drilling method. The residual stress depth
                      profiles in the coatings indicate compressive residual
                      stresses of several hundred MPa which are hardly influenced
                      by the coating thickness. In addition, large compressive
                      stress levels are found in surface-near regions of the
                      substrate due to the grit blasting process. Furthermore, a
                      post-heat treatment analysis was performed to investigate
                      its influence on residual stresses and bonding strength.
                      These findings are used to develop a consistent explanation
                      of the dependence of strength values on thickness.},
      cin          = {IEK-1},
      ddc          = {670},
      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)16},
      UT           = {WOS:000515818000001},
      doi          = {10.1007/s11666-020-00988-w},
      url          = {https://juser.fz-juelich.de/record/874255},
}