Effects of hydrogen peroxide on 304 stainless steel in high temperature water

Hydrogen peroxide (H2O2), an oxidizer produced by water radiolysis, is considered one of the main contributors to corrosion of the stainless steel (SS) components in the cooling system of nuclear reactors. The detailed understanding of this chemical system is however still missing. The present resea...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-11, Vol.1380 (1), p.12087
Main Authors: Makjan, S, Boonsri, P, Channuie, J, Kanjana, K
Format: Article
Language:English
Subjects:
Chemical composition
Cooling systems
Corrosion
Corrosion products
Heat resistant steels
High temperature
Hydrogen peroxide
Morphology
Nickel
Nuclear reactor components
Nuclear reactors
Oxidizing agents
Physics
Radiolysis
Stainless steel
Stainless steels
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Summary:Hydrogen peroxide (H2O2), an oxidizer produced by water radiolysis, is considered one of the main contributors to corrosion of the stainless steel (SS) components in the cooling system of nuclear reactors. The detailed understanding of this chemical system is however still missing. The present research aimed to study the effects of H2O2 on 304 SS. The surface morphology and the chemical composition of the SS specimens after experiment were examined using Scanning Electron Microscope - Energy Dispersive X-ray (SEM-EDX). The change in atomic % of Fe, Cr, Ni, and O as a function of temperature will be reported. The corrosion type and possible corrosion products will be proposed and discussed.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1380/1/012087