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@ARTICLE{Krnsteiner:586432,
      author       = {Kürnsteiner, Philipp and Barriobero-Vila, Pere and Bajaj,
                      Priyanshu and De Geuser, Frédéric and Wilms, Markus B. and
                      Jägle, Eric A. and Raabe, Dierk},
      title        = {{D}esigning an {F}e-{N}i-{T}i maraging steel tailor-made
                      for laser additive manufacturing},
      journal      = {Additive manufacturing},
      volume       = {73},
      issn         = {2214-7810},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {PUBDB-2023-03911},
      pages        = {103647},
      year         = {2023},
      abstract     = {Laser additive manufacturing (LAM) offers high flexibility
                      in the production of customized and geometrically complex
                      parts. The technique receives great interest from industry
                      and academia but faces substantial challenges regarding
                      processability and insufficient mechanical properties of
                      LAM-produced material. One reason is that currently mainly
                      conventional alloys are being used in LAM, which were
                      developed for different processes such as casting. Since
                      these alloys are not optimized for the specific process
                      conditions encountered in LAM such as fast cooling and
                      cyclic re-heating, they cannot be expected to perform
                      ideally in such processes regarding processability and
                      resulting mechanical properties. Here we present the
                      development of a new, simple ternary Fe-Ni-Ti maraging-type
                      alloy tailor-made for LAM. We used compositionally graded
                      samples to screen Ti compositions from 0 to 21 at. $\%$ and
                      efficiently identify promising microstructures and
                      mechanical properties. Under LAM solidification conditions
                      the desired mainly martensitic microstructure needed for a
                      maraging steel formed at Ti compositions ranging from 0 to 7
                      at. $\%.$ Within this composition range, the intended
                      microstructure is formed and additionally some unique
                      process conditions of LAM such as cyclic re-heating can be
                      exploited. Specifically, in-situ phase transformations can
                      be controlled during LAM, via the thermal history. At higher
                      Ti compositions two different eutectic microstructures with
                      different primary phases were found that show a high
                      hardness of up to 700 HV.},
      cin          = {DOOR ; HAS-User},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20221372
                      EC (I-20221372-EC) / FS-Proposal: I-20210694 (I-20210694)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20221372-EC /
                      G:(DE-H253)I-20210694},
      experiment   = {EXP:(DE-H253)P-P07-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001025337600001},
      doi          = {10.1016/j.addma.2023.103647},
      url          = {https://bib-pubdb1.desy.de/record/586432},
}