Insight on the inconsistencies of Barkhausen signal measurements for radiation damage on nuclear reactor steel

Soraia Pirfo Barroso, Michael E. Fizpatrick, Ferenc Gillemot, Marta Horváth, Richard Szekely

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Abstract

    This paper focuses on the use of magnetic measurements, using Barkhausen signals to determine the irradiation effects, attempting to predict fracture toughness changes on nuclear reactor structural materials and correlating these measurements to mechanical testing and microstructure. For this study, two types of nuclear reactor materials were investigated: one sensitive to irradiation effects, the JRQ IAEA's reference material (A533B- -type); and one resistant material, 15KH2MFA WWER's reactor pressure vessel steel. The samples were carefully identified within the original heat block, i.e. forged or rolled plate. These calibrated samples were irradiated at different neutron fluences up to 1023 n/m2. We show how microstructural anisotropy can mask the irradiation effects in the magnetic measurements. A correlation between irradiation effects and the magnetic measurements is explained based on this study.
    Original languageEnglish
    Title of host publicationAIP Conference Proceedings
    PublisherAIP
    Pages1229
    Volume1581
    DOIs
    Publication statusPublished - 2014

    Fingerprint

    signal measurement
    nuclear reactors
    radiation damage
    steels
    magnetic measurement
    irradiation
    reactor materials
    pressure vessels
    fracture strength
    fluence
    masks
    reactors
    neutrons
    heat
    microstructure
    anisotropy

    Bibliographical note

    This paper is not available on the repository. This paper was given at the 40TH ANNUAL REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, 21–26 July 2013, Baltimore, Maryland, USA

    Cite this

    Pirfo Barroso, S., Fizpatrick, M. E., Gillemot, F., Horváth, M., & Szekely, R. (2014). Insight on the inconsistencies of Barkhausen signal measurements for radiation damage on nuclear reactor steel. In AIP Conference Proceedings (Vol. 1581, pp. 1229). AIP. https://doi.org/10.1063/1.4864961

    Insight on the inconsistencies of Barkhausen signal measurements for radiation damage on nuclear reactor steel. / Pirfo Barroso, Soraia; Fizpatrick, Michael E.; Gillemot, Ferenc; Horváth, Marta; Szekely, Richard.

    AIP Conference Proceedings. Vol. 1581 AIP, 2014. p. 1229.

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Pirfo Barroso, S, Fizpatrick, ME, Gillemot, F, Horváth, M & Szekely, R 2014, Insight on the inconsistencies of Barkhausen signal measurements for radiation damage on nuclear reactor steel. in AIP Conference Proceedings. vol. 1581, AIP, pp. 1229. https://doi.org/10.1063/1.4864961
    Pirfo Barroso S, Fizpatrick ME, Gillemot F, Horváth M, Szekely R. Insight on the inconsistencies of Barkhausen signal measurements for radiation damage on nuclear reactor steel. In AIP Conference Proceedings. Vol. 1581. AIP. 2014. p. 1229 https://doi.org/10.1063/1.4864961
    Pirfo Barroso, Soraia ; Fizpatrick, Michael E. ; Gillemot, Ferenc ; Horváth, Marta ; Szekely, Richard. / Insight on the inconsistencies of Barkhausen signal measurements for radiation damage on nuclear reactor steel. AIP Conference Proceedings. Vol. 1581 AIP, 2014. pp. 1229
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