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(Contributed Paper) Vol.1 (2009) p.44 - p.51
 
Examination of Relation between IASCC Susceptibility and Magnetic Property
 
Shigeru TAKAYA1, Yuji NAGAE1, Tsunemitsu YOSHITAKE1, Yoshiyuki NEMOTO 2, Junichi NAKANO2, Fumiyoshi UENO2, Kazumi AOTO1 and Takashi TSUKADA2
 
1 Japan Atomic Energy Agency, 4002 Narita, O-arai, Ibaraki 311-1393, Japan
2 Japan Atomic Energy Agency, 2-4 Shirane, Shirakata, Tokai, Ibaraki 319-1195, Japan
 
Abstract
Comparison between the magnetic flux density and the IASCC susceptibility evaluated by SSRT test on neutron-irradiated model alloys revealed that there is a relation between them regardless of minor differences in chemical composition if the contribution of neutron irradiation to SCC is significant. Furthermore, the magnetic flux densities of two kinds of unirradiated materials simulating neutron-irradiated degradations were measured, and it was shown that the magnetic flux density will change if both of segregation along grain boundary and defects are induced due to neutron irradiation. These results show the possibility of non-destructive estimation of the susceptibility to IASCC by measuring magnetic flux density.
 
Keywords
IASCC susceptibility, magnetic flux density, non-destructive estimation, neutron irradiation
 
Full Text: PDF
 
(Received: October 31st, 2008)