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@ARTICLE{Kobayashi:902005,
      author       = {Kobayashi, Satoru and Murakami, Hiroaki and Yamamoto,
                      Takuya and Robert Odette, G. and Horváth, Ákos and
                      Feoktystov, Artem and Almásy, László},
      title        = {{M}agnetic investigations on irradiation-induced nanoscale
                      precipitation in reactor pressure vessel steels: {A}
                      first-order reversal curve study},
      journal      = {Journal of nuclear materials},
      volume       = {552},
      issn         = {0022-3115},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2021-03968},
      pages        = {152973},
      year         = {2021},
      abstract     = {We have investigated magnetic properties for reactor
                      pressure vessel model alloys with variable Cu con- tents,
                      subjected to neutron irradiation up to a fluence of 9 × 10
                      19 n cm −2 . Unlike a monotonic increase of microhardness
                      with neutron fluence, the major-loop coercivity decreases
                      at a higher fluence and the decrease becomes larger for the
                      alloy containing a higher amount of Cu. The measurements of
                      first-order reversal curves (FORCs) for the high-Cu alloy
                      show that the position of the FORC distribution peak shifts
                      toward a lower coercivity just after neutron irradiation,
                      followed by a slight increase, associated with the
                      broadening along both the coercivity and interaction field
                      axes. The results can be explained by the enhancement of
                      magnetic inhomogeneity in a matrix due to Cu precipitation
                      and an increasing magne- tostatic interaction between local
                      magnetic regions with different coercivity. The magnetic
                      method using FORCs can be a possible technique which
                      provides in-depth information on microstructural changes due
                      to neutron irradiation, which is not obtained by
                      measurements of a conventional major hysteresis loop.},
      cin          = {JCNS-FRM-II / JCNS-2 / JCNS-4 / MLZ},
      ddc          = {620},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)JCNS-4-20201012 /
                      I:(DE-588b)4597118-3},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4) / 632 - Materials – Quantum, Complex and
                      Functional Materials (POF4-632)},
      pid          = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000653052100001},
      doi          = {10.1016/j.jnucmat.2021.152973},
      url          = {https://juser.fz-juelich.de/record/902005},
}