Title :
Applicability of the ferromagnetic resonance for neutron irradiated degradation in the reactor pressure vessel
Author :
Seung Sik Park ; Cho, Y.H. ; Park, D.G. ; Park, W.S. ; Kim, C.O.
Author_Institution :
Korea Atomic Energy Res. Inst., Daejon, South Korea
Abstract :
The change of the neutron irradiation effect has been investigated in the nuclear reactor pressure vessel (RPV) steels which differ in steel refining process. We were employing the ferromagnetic resonance (FMR) technique and hysteresis loop to study the magnetic properties. Both resonance fields and line widths increased but its FMR intensity decreased with the irradiated specimens. The present work shows that the FMR technique can be used to estimate material degradation of the reactor vessel steel.
Keywords :
ferromagnetic resonance; fission reactor materials; magnetic hysteresis; neutron effects; pressure vessels; steel; ferromagnetic resonance; hysteresis loop; magnetic properties; material degradation; neutron irradiation; nuclear reactor pressure vessel; steel refining process; Building materials; Degradation; Inductors; Magnetic hysteresis; Magnetic properties; Magnetic resonance; Neutrons; Nuclear magnetic resonance; Refining; Steel;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2003.816257
