On the role of oxygen partial pressure on the composition of the oxide layer formed on alloy 690 at 700°C

Magali Moeglen; Stéphane Perrin; Loïc Marchetti; Michel Tabarant; Marc Foucault; Yves Wouters

Conference papers

On the role of oxygen partial pressure on the composition of the oxide layer formed on alloy 690 at 700°C

Magali Moeglen ^{1, 2} Stéphane Perrin ^{3, 2, *} Loïc Marchetti ^{4, 2} Michel Tabarant ^{5, 2} Marc Foucault ⁶ Yves Wouters ¹

* Corresponding author

1 SIMaP - Science et Ingénierie des Matériaux et Procédés

2 CEA-DES (ex-DEN) - CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire)

3 LISTIC - Laboratoire d'Informatique, Systèmes, Traitement de l'Information et de la Connaissance

4 LECA - Laboratoire d'Etude de la Corrosion Aqueuse

SCCME - Service de la Corrosion et du Comportement des Matériaux dans leur Environnement : DEN/DPC/SCCME/LECA

5 LANIE - Laboratoire de développement Analytique Nucléaire Isotopique et Elémentaire

SEARS - Service d'études analytiques et de réactivité des surfaces : DEN/DPC

6 Areva NP

Abstract : Steam generator tubes in pressurized water reactors (PWR) are made of nickel based alloy such as alloy 600 or alloy 690. During oxidation process of this alloy in water at high temperature, nickel cations are released in the primary media. After neutron flux exposure in the reactor core, these cations can turn into radioactive products, such as 58Co. If carried through the primary circuit, these radioactive products precipitate and contaminate the loop, making maintenance more difficult.

Keywords : Alloy 690 oxidation oxygen partial pressure O$_2$ dissociation catalysis

Document type :

Conference papers

Domain :

Physics [physics] / Nuclear Theory [nucl-th]

Physics [physics] / Nuclear Experiment [nucl-ex]

Complete list of metadatas

https://hal-cea.archives-ouvertes.fr/cea-02499858
Contributor : Amplexor Amplexor <>
Submitted on : Thursday, March 5, 2020 - 3:29:09 PM
Last modification on : Thursday, November 19, 2020 - 1:01:54 PM
Long-term archiving on: : Saturday, June 6, 2020 - 3:52:39 PM

201500003862.pdf

Files produced by the author(s)

On the role of oxygen partial pressure on the composition of the oxide layer formed on alloy 690 at 700°C

File

Identifiers

Collections

Citation

Export

Metrics

51

19

On the role of oxygen partial pressure on the composition of the oxide layer formed on alloy 690 at 700°C

File

Identifiers

Collections

Citation

Export

Share

Metrics

51

19