Grain boundary oxidation of proton-irradiated nuclear grade stainless steel in simulated primary water of pressurized water reactor.

Abstract:

:Grain boundary (GB) oxidation of proton-irradiated 304 nuclear grade stainless steel in primary water of pressurized water reactor was investigated. The investigation was conducted by studying microstructure of the oxide and oxide precursor formed at GB on an "atom-by-atom" basis by a combination of atom-probe tomography and transmission electron microscope. The results revealed that increasing irradiation dose promoted the GB oxidation, in correspondence with a different oxide and oxide precursor formed at the GB. Correlation of the oxide and oxide precursor with the GB oxidation behavior has been discussed in detail.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Deng P,Peng Q,Han EH

doi

10.1038/s41598-020-80600-x

subject

Has Abstract

pub_date

2021-01-14 00:00:00

pages

1371

issue

1

issn

2045-2322

pii

10.1038/s41598-020-80600-x

journal_volume

11

pub_type

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