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@ARTICLE{CiprianoFarias:645115,
      author       = {Cipriano Farias, Francisco Werley and Duarte, Valdemar
                      Rebelo and da Cruz Payão Filho, João and Schell, Norbert
                      and Maawad, Emad and Cormier, Jonathan and da Fonseca, Fabio
                      Machado Alves and Ramirez, Antonio J. and dos Santos, Telmo
                      Jorge Gomes and Oliveira, J. P.},
      title        = {{I}nconel 718 fabricated via arc-based directed energy
                      deposition assisted with in situ interlayer hot forging},
      journal      = {Materials science $\&$ engineering / A},
      volume       = {948},
      issn         = {0921-5093},
      address      = {Amsterdam},
      publisher    = {Elsevier},
      reportid     = {PUBDB-2026-00610},
      pages        = {149269},
      year         = {2025},
      abstract     = {Ni-based superalloys fabricated by arc-based directed
                      energy deposition (DED) typically exhibit a
                      non-optimizedmicrostructure, characterized by coarse and
                      oriented columnar grains, which limits their performance and
                      in-dustrial applications. In this context, microstructure
                      refinement techniques previously applied to arc-basedwelding
                      have been tested in additive manufacturing, highlighting
                      interlayer mechanical deformation methods(e.g., rolling and
                      peening). The present work describes the grain size
                      refinement mechanism of in situ interlayerhot forging (HF)
                      and evaluates its effect on the elevated-temperature tensile
                      behavior of Inconel 718 fabricatedvia DED (IN718 DED). HF
                      induced a dynamically recrystallized zone (~1 mm) on the top
                      layer surface and adeformed zone (~0.5 mm) immediately
                      beneath it, which was not completely remelted by the
                      subsequent layerdeposition, thereby generating
                      recrystallized grains during subsequent multiple thermal
                      cycles. During the ho-mogenization heat treatment, the
                      remaining deformed region recrystallized, generating a finer
                      grain size and analmost equiaxed microstructure. HF also
                      improves the yield strength at elevated-temperatures and
                      induces analmost isotropic behavior. For the first time,
                      enabling the IN718 DED to meet the grain size, elongation,
                      andelevated-temperature yield strength requirements (AMS
                      5662).},
      cin          = {DOOR ; HAS-User / Hereon},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)Hereon-20210428},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20210986
                      EC (I-20210986-EC) / CALIPSOplus - Convenient Access to
                      Light Sources Open to Innovation, Science and to the World
                      (730872)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20210986-EC /
                      G:(EU-Grant)730872},
      experiment   = {EXP:(DE-H253)P-P07-20150101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1016/j.msea.2025.149269},
      url          = {https://bib-pubdb1.desy.de/record/645115},
}