TY - JOUR
T1 - Interpretation of Nondestructive Mangetic Measurements on Irradiated Reactor Steel Material
AU - Vértesy, Gábor
AU - Gasparics, Antal
AU - Szenthe, Ildikó
AU - Uytdenhouwen, Inge
N1 - Score=10
PY - 2021/4/18
Y1 - 2021/4/18
N2 - In this paper, the application of a nondestructive magnetic testing method is analyzed for neutron irradiation-generated embrittlement of nuclear pressure vessel materials. It was found that in spite of the big scatter of measurement points, the degradation of reactor pressure vessel steel can be successfully predicted by this technique. Furthermore, it turned out that the embrittlement highly depends on the local material conditions, which was found to be very different even within the same block of reactor steel material. This implicates different trajectories of their neutron irradiation induced degradation, as well as identifiable differences in the outcomes of their nondestructive evaluation. The magnetic descriptor results add reliable and precise determination of local embrittlement in the material than the traditionally used destructive mechanical parameters, so the results can be helpful for the future practical application of this technique for regular inspection of nuclear reactors.
AB - In this paper, the application of a nondestructive magnetic testing method is analyzed for neutron irradiation-generated embrittlement of nuclear pressure vessel materials. It was found that in spite of the big scatter of measurement points, the degradation of reactor pressure vessel steel can be successfully predicted by this technique. Furthermore, it turned out that the embrittlement highly depends on the local material conditions, which was found to be very different even within the same block of reactor steel material. This implicates different trajectories of their neutron irradiation induced degradation, as well as identifiable differences in the outcomes of their nondestructive evaluation. The magnetic descriptor results add reliable and precise determination of local embrittlement in the material than the traditionally used destructive mechanical parameters, so the results can be helpful for the future practical application of this technique for regular inspection of nuclear reactors.
KW - Neutron irradiation embrittlement
KW - Reactor pressure vessel
KW - Magnetic nondestructive evaluation
KW - Magnetic adaptivetesting
KW - Ductileto brittletransition temperature
UR - https://ecm.sckcen.be/OTCS/llisapi.dll/open/43458232
U2 - 10.3390/app11083650
DO - 10.3390/app11083650
M3 - Article
SN - 2076-3417
VL - 11
SP - 1
EP - 13
JO - Applied Sciences (Switzerland)
JF - Applied Sciences (Switzerland)
M1 - 3650
ER -