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@ARTICLE{Akman:639424,
      author       = {Akman, Adnan and Douest, Yohan and Alberta, Ludovico Andrea
                      and Perrin, Kevin and Trunfio Sfarghiu, Ana-Maria and
                      Courtois, Nicolas and Ter-Ovanessian, Benoit and Pilz,
                      Stefan and Zimmermann, Martina and Calin, Mariana and
                      Gebert, Annett},
      title        = {{T}ribocorrosion behaviour of additively manufactured
                      β-type {T}i–{N}b alloy for implant applications},
      journal      = {Journal of materials research and technology},
      volume       = {31},
      issn         = {2238-7854},
      address      = {Rio de Janeiro},
      publisher    = {Elsevier},
      reportid     = {PUBDB-2025-04516},
      pages        = {1419 - 1429},
      year         = {2024},
      note         = {Deutsche Forschungsgemeinschaft (DFG) under projects
                      $GE/1106/121\&2$ no 41995231.},
      abstract     = {β-type Ti–Nb alloys are promising materials for
                      load-bearing implant applications with improved mechanical
                      biofunctionality and biocompatibility. In this work, the
                      electrochemical and tribo-electrochemical behaviour of laser
                      powder bed fusion (LPBF) produced β-type Ti–42Nb alloy
                      processed via Gaussian and top hat laser was investigated
                      and compared with commercial grade β-type Ti–45Nb and
                      α+β-type Ti–6Al–4V ELI. Electrochemical impedance
                      spectroscopy (EIS) and potentiodynamic polarization
                      experiments were performed in phosphate-buffered saline
                      (PBS) for corrosion behaviour. Tribocorrosion behaviour was
                      studied under open circuit potential (OCP) conditions in PBS
                      by using a reciprocating pin-on-disk tribometer. The
                      passivation nature of the LPBF alloys is more decisive than
                      the microstructural particularities for electrochemical
                      behaviour. The overall corrosion response is similar due to
                      the protective nature of the passive films formed on Ti
                      alloys. Ti–6Al–4V ELI exhibits the best corrosion
                      performance among all tested alloys with lower corrosion and
                      passivation current density values. However, LPBF-produced
                      alloys exhibit less reactive surfaces with better passive
                      film properties compared to Ti–45Nb. In addition, EIS
                      results revealed that passive film resistance values are
                      higher for LPBF-produced alloys than conventionally produced
                      Ti–45Nb. LPBF-produced alloys exhibit better
                      tribo-electrochemical behaviour compared to Ti–45Nb. The
                      differences in volume loss are mainly attributed to the
                      microhardness of the alloys and the volume loss is dominated
                      by mechanical wear. The alloys produced with LPBF show
                      promising corrosion and tribocorrosion performance to be a
                      potential candidate for load-bearing implant applications.},
      cin          = {DOOR ; HAS-User / Hereon},
      ddc          = {670},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)Hereon-20210428},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / BIOREMIA -
                      BIOfilm-REsistant Materials for hard tissue Implant
                      Applications (861046)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(EU-Grant)861046},
      experiment   = {EXP:(DE-H253)P-P07-20150101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1016/j.jmrt.2024.06.172},
      url          = {https://bib-pubdb1.desy.de/record/639424},
}