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@ARTICLE{Arthur:645024,
      author       = {Arthur, Nithin Joseph Reddy Sagili and Kim, Rae Eon and
                      Kim, Hyoung Seop and Martins, Ana and Schell, N. and
                      Oliveira, João Pedro},
      title        = {{G}as tungsten arc welding of {N}i{T}i shape memory alloy
                      and ${A}l{C}o{C}r{F}e{N}i_{2.1}$ eutectic high entropy alloy
                      using a niobium interlayer},
      journal      = {Intermetallics},
      volume       = {191},
      number       = {109177},
      issn         = {0966-9795},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PUBDB-2026-00547},
      pages        = {1-15},
      year         = {2026},
      abstract     = {Dissimilar fusion welding of a NiTi shape memory alloy and
                      an AlCoCrFeNi2.1 eutectic high entropy alloy wasperformed
                      using a niobium interlayer. The unique properties of these
                      materials complement each other,potentially enabling hybrid
                      structures for advanced applications and smart systems. Gas
                      tungsten arc weldingwith an arc offset technique was
                      employed to create a weld-braze joint at the NiTi-Nb
                      interface while controllingthe heat input. Comprehensive
                      microstructural and phase analysis was carried out using
                      optical and electronmicroscopy, synchrotron X-ray
                      diffraction, and was further supplemented by thermodynamic
                      simulations.Dissolution of the Nb interlayer altered the
                      solidification pathways in the fusion zone, leading to the
                      formation oftopologically close-packed phases (including C14
                      Laves and σ) and Ti2Ni. Multiple interfacial reactions at
                      theNiTi interface introduced significant strain, which
                      increased hardness but also acted as stress
                      concentratorsduring tensile loading. The addition of the
                      niobium interlayer enabled the formation of a stable,
                      crack-free joint,whereas welding without an interlayer
                      resulted in catastrophic cracking.},
      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) / FS-Proposal: I-20241103
                      EC (I-20241103-EC)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20241103-EC},
      experiment   = {EXP:(DE-H253)P-P07-20150101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1016/j.intermet.2026.109177},
      url          = {https://bib-pubdb1.desy.de/record/645024},
}