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@ARTICLE{Kobayashi:839945,
      author       = {Kobayashi, Satoru and Gillemot, Ferenc and Horváth, Ákos
                      and Horváth, Márta and Almásy, László and Tian, Qiang
                      and Feoktystov, Artem},
      title        = {{I}nvestigation of effects of long-term thermal aging on
                      magnetization process in low-alloy pressure vessel steels
                      using first-order-reversal-curves},
      journal      = {AIP Advances},
      volume       = {7},
      number       = {5},
      issn         = {2158-3226},
      address      = {New York, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2017-07522},
      pages        = {056002 -},
      year         = {2017},
      abstract     = {We have investigated effects of long-term thermal aging at
                      550°C up to 10000 h on major-loop coercivity, hysteresis
                      scaling of minor loops, and first-order reversal curves
                      (FORCs) for low-alloy pressure vessel steels with low and
                      high Ni contents. While major-loop coercivity and minor-loop
                      coefficient of the scaling exhibit a gradual decrease with
                      aging for high-Ni steel, those for low-Ni one are very
                      weakly dependent on aging time. On the other hand, we found
                      that FORC distribution becomes steep along both axes of
                      interaction and switching fields and the peak shifts toward
                      a lower switching field for both steels. Considering that
                      there is no significant development of nanoscale
                      precipitates during the aging as revealed with small-angle
                      neutron scattering experiments, a relaxation of lattice
                      strain in a matrix, possibly associated with diffusion of Ni
                      atoms, may dominate magnetic properties at 550°C},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / JCNS-2 / PGI-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000402797100159},
      doi          = {10.1063/1.4973605},
      url          = {https://juser.fz-juelich.de/record/839945},
}