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@ARTICLE{Coppola:878069,
      author       = {Coppola, R. and Feoktystov, Artem and Müller, Thomas and
                      Pilloni, L. and Radulescu, Aurel},
      title        = {{SANS} and neutron diffraction study of ausformed
                      {EUROFER}97/2 ferritic/martensitic steel},
      journal      = {Nuclear materials and energy},
      volume       = {24},
      issn         = {2352-1791},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2020-02611},
      pages        = {100772},
      year         = {2020},
      abstract     = {Small-angle neutron scattering (SANS) and neutron
                      diffraction have been utilized for micro-structural
                      characterization of Eurofer97/2 heats submitted to
                      thermo-mechanical treatments, with the aim to investigate
                      macroscopic material volumes and to complete the local
                      information provided by scanning electron microscopy. The
                      measurements were carried out at MLZ in Garching, utilizing
                      for SANS also a polarized neutron beam. The investigated
                      samples had been submitted to austenitization and tempering
                      at different temperatures, as well as to double
                      austenitization and to “ausforming”, that is
                      austenitization followed by hot rolling. For most of the
                      examined treatments, nearly identical SANS cross-sections
                      were measured, close to the one of Eurofer97/1. In the
                      ausformed sample the nuclear SANS cross-section is also
                      nearly identical to the other samples but the magnetic one
                      is one order of magnitude higher. Furthermore, over a wide
                      experimental interval its nuclear-magnetic interference,
                      measured by polarized SANS, is of opposite sign with respect
                      to the non-ausformed samples. Neutron diffraction
                      measurements provided strong evidence that the origin of
                      such effects is due to the presence of the non-magnetic
                      austenite phase in the ausformed sample, with an estimated
                      volume fraction of 0.17 ± 0.02; within the experimental
                      resolution, it disappears after subsequent tempering},
      cin          = {JCNS-FRM-II / JCNS-2 / JCNS-1 / MLZ},
      ddc          = {624},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)JCNS-1-20110106 /
                      I:(DE-588b)4597118-3},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6G15 - FRM II / MLZ (POF3-6G15)},
      pid          = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15},
      experiment   = {EXP:(DE-MLZ)DNS-20140101 / EXP:(DE-MLZ)KWS1-20140101 /
                      EXP:(DE-MLZ)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000572929800004},
      doi          = {10.1016/j.nme.2020.100772},
      url          = {https://juser.fz-juelich.de/record/878069},
}