Journal Article FZJ-2020-00693

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Effects of neutron irradiation on magnetic first-order reversal curves in reactor pressure vessel steels

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2020
American Inst. of Physics New York, NY

AIP Advances 10(1), 015221 - () [10.1063/1.5130414]

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Abstract: We report results of measurements of first-order reversal curves (FORCs) for neutron irradiated reactor pressure vessel steels to seek their possible application to a nondestructive evaluation of the irradiation hardening. We find a peak position of the FORC distribution, which is the second derivative of measured FORCs, shifts towards zero field after neutron irradiation, associated with the narrowing of the peak width. The observations indicate the progress of the magnetic softening and magnetic homogeneity under neutron irradiation. The present investigations demonstrate that FORCs can offer additional information on microstructural changes due to neutron irradiation, which can not be obtained by a conventional hysteresis method

Keyword(s): Engineering, Industrial Materials and Processing (1st) ; Industrial Application (2nd)

Classification:

Contributing Institute(s):
  1. JCNS-FRM-II (JCNS-FRM-II)
  2. Streumethoden (JCNS-2)
  3. Heinz Maier-Leibnitz Zentrum (MLZ)
Research Program(s):
  1. 6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623) (POF3-623)
  2. 6G15 - FRM II / MLZ (POF3-6G15) (POF3-6G15)
Experiment(s):
  1. KWS-1: Small angle scattering diffractometer (NL3b)

Appears in the scientific report 2020
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Medline ; Creative Commons Attribution CC BY 4.0 ; DOAJ ; OpenAccess ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DOAJ Seal ; Ebsco Academic Search ; IF < 5 ; JCR ; PubMed Central ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection
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Institute Collections > JCNS > JCNS-FRM-II
Document types > Articles > Journal Article
Institute Collections > JCNS > JCNS-2
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 Record created 2020-01-29, last modified 2021-01-30


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FORC-paper20200114 - Download fulltext PDF Download fulltext PDF (PDFA)
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