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@ARTICLE{Signor:1008430,
      author       = {Signor, Fernanda and Pereira, Jonas Felipe and Faita,
                      Fabrício Luiz and Bram, Martin and Daudt, Natália de
                      Freitas},
      title        = {{S}olution heat treatment of {T}i-{N}b alloys using a
                      molten salt shield},
      journal      = {Materials letters},
      volume       = {338},
      issn         = {0167-577X},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2023-02338},
      pages        = {134039},
      year         = {2023},
      abstract     = {Ti-Nb alloys have attracted growing attention for
                      biomedical implant application due its low elastic modulus.
                      Nb is a β-stabilizer in Ti alloys and retains its high
                      biocompatibility. Thermal treatment plays a key role for
                      optimization of mechanical properties and microstructure of
                      Ti-Nb alloys. However, high oxygen affinity of Ti alloys
                      requires the use of a protective atmosphere during their
                      processing at high temperatures. In this context, we propose
                      the use of molten salt as novel atmosphere protection during
                      solution heat treatment of Ti-Nb alloys avoiding elaborated
                      encapsulation. For that, Ti-Nb parts were solution treated
                      in molten KCl followed by water quenching. Microstructure
                      and phase transformation were evaluated by SEM, EDS, X-ray
                      Diffraction, Elastic Modulus and Vickers microhardness
                      measurements. No evidence of oxidation of Ti-Nb parts was
                      found, which suggested that molten salt was an effective
                      measure to protect Ti alloys from oxidation. After
                      treatment, a martensitic microstructure was achieved. A
                      martensitic structure enables to decrease elastic modulus to
                      ca. 35 GPa, which can avoid stress shield in the case of
                      bone implant application.},
      cin          = {IEK-1},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {1231 - Electrochemistry for Hydrogen (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1231},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000939891500001},
      doi          = {10.1016/j.matlet.2023.134039},
      url          = {https://juser.fz-juelich.de/record/1008430},
}