Examination of relation between IASCC susceptibility and magnetic property

Takaya, Shigeru  ; Nagae, Yuji ; Yoshitake, Tsunemitsu ; Nemoto, Yoshiyuki  ; Nakano, Junichi; Ueno, Fumiyoshi  ; Aoto, Kazumi ; Tsukada, Takashi 

As the result of comparing the magnetic flux density and the IASCC susceptibility evaluated by SSRT test on neutron irradiated model alloys, it was shown that there is the relation without depending on dose level and chemical compositions as long as the contribution of neutron irradiation to SCC was seen. Furthermore, measuring the magnetic flux density of unirradiated simulated degraded materials indicates that not only change in chemical compositions but also some defects are needed for the magnetic flux density to increase. These results show the possibility of non-destructive estimation of susceptibility to IASCC by measuring magnetic flux density.