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Communication Dans Un Congrès Année : 2015

Overview of 9Cr steels properties for structural application in sodium fast reactors

Résumé

A research and development programme has been launched by CEA, EDF and AREVA for the choice and qualification of material for sodium fast reactor (SFR) structural components. The requirements on steam generator (SG) are demanding, with operating temperatures ranging from 240°C to 530°C in water/steam and in sodium for an extended design life of several decades. The selection of the SG materials is based on many characteristics: fabrication, welding, thermal properties, mechanical strength at low and high temperature, environmental resistance. 9%Cr steels which are relevant candidate alloys for different designs of SGs have been extensively studied in the past decade. The objective of this paper is to review some advances made at CEA on determining properties of the X10CrMoVNb9-1 steel (hereafter named “grade 91”): welding, modelling of cyclic softening, modelling of long-term creep, compatibility with liquid sodium, corrosion in steam.
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Dates et versions

cea-04501199 , version 1 (12-03-2024)

Identifiants

  • HAL Id : cea-04501199 , version 1

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Laurent Forest, Celine Cabet, Jean-Louis Courouau, France Dalle, L. Martinelli, et al.. Overview of 9Cr steels properties for structural application in sodium fast reactors. SMINS-3 - Structural Materials for Innovative Nuclear Systems, Oct 2013, Idaho Falls, United States. pp.55. ⟨cea-04501199⟩
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