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@ARTICLE{Singh:850187,
      author       = {Singh, Reeti and Schruefer, S. and Wilson, S. and Gibmeier,
                      J. and Vassen, R.},
      title        = {{I}nfluence of coating thickness on residual stress and
                      adhesion-strength of cold-sprayed {I}nconel 718 coatings},
      journal      = {Surface and coatings technology},
      volume       = {350},
      issn         = {0257-8972},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2018-04261},
      pages        = {64 - 73},
      year         = {2018},
      abstract     = {In the cold spray process, deposition of particles takes
                      place through intensive plastic deformation upon impact in a
                      solid state at the temperatures well below their melting
                      point. The high particle impact velocity causes high local
                      stresses which lead to deforming the particles and the
                      substrate plastically in the proximity of the
                      particle–substrate interface. As a result, high residual
                      stresses are introduced in cold spray coatings due to the
                      peening effect of the particles collisions with the
                      substrate. In this study, a powder based on the chemical
                      composition of IN 718 was cold-sprayed on IN 718 substrates
                      by using nitrogen gas for an application as a repair tool
                      for aero engine components. The magnitude of the residual
                      stress and its distribution through the thickness were
                      measured by using the hole-drilling and the bending methods.
                      Residual stress was also estimated by using an approach
                      based on the physical process parameters. Mainly compressive
                      residual stresses were observed in cold-sprayed IN 718
                      coatings. Accumulation of residual stresses in the coatings
                      is highly affected by peening during deposition and it
                      decreases with increase in thickness. It has been observed
                      that the adhesion-strengths of cold-sprayed IN 718 coatings
                      are highly influenced by coating thickness and residual
                      stress states of the coating/substrate system. In the
                      presence of residual stresses in the coatings,
                      adhesion-strength decreases with increasing coating
                      thickness. The energy-release-rate criterion has been used
                      to predict adhesion-strength with increasing coating
                      thickness. Predicted bond-strength values are close to the
                      measured adhesion-strength values and decrease with increase
                      in coating thickness.},
      cin          = {IEK-1},
      ddc          = {620},
      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:000444660500008},
      doi          = {10.1016/j.surfcoat.2018.06.080},
      url          = {https://juser.fz-juelich.de/record/850187},
}