Comparison of passivation behavior of SS316L with that of SS304 in tritiated water solution

Oyaizu, Makoto; Isobe, Kanetsugu; Hayashi, Takumi

Stainless steels of SS304, SS316L and such will be widely used in fusion reactor. Corrosion of such metals is an important issue for the establishment of safety and soundness of fusion reactors. It has recently been reported that the passivation of SS304 stainless steel was inhibited in tritiated solution, resulting in significant corrosion enhancement. Therefore in the present study, the effects of tritium on the passivation behavior of SS316L stainless steel in tritiated water circumstance is electrochemically studied by comparing to those of SS304 stainless steel previously studied. As the results, it was found that no significant effects of tritium on the passivation behavior of SS316L stainless steel could be observed, which is contrary to that of SS304 stainless steel.

Language	:	English
Journal	:	Nuclear Materials and Energy (Internet)
Volume	:	9
Number	:
Pages	:	p.508 - 511
Publication Year/Month	:	2016/12
Meeting title	:	17th International Conference on Fusion Reactor Materials (ICFRM-17)
Held date	:	2015/10
Location (city)	:	Aachen
Location (country)	:	Germany
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1016/j.nme.2016.08.005
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	Tritiated water; Corrosion; Stainless steel; Passivation
Research Facility	:	原型炉R\&D棟
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Registration No. : BB20151157
JAEA Abstracts No. :
Paper Submission No. : 30220

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