Topical day on contributions to understanding materials degradation mechanisms for improved safety of nuclear reactors

Topical day:  mei 13, 2009

Programme

Morning session: RPV steels – Chairman: A. Almazouzi

Welcome and introduction
08:30 – 08:50 From PERFECT to PERFORM60: the contribution of SCK•CEN on reactor pressure vessel steels, A. Almazouzi (SCK•CEN)

First part - Microstructure
08:50 – 09:20 Microstructural and microchemical evolution under irradiation, G. Bonny (SCK•CEN)
09:20 – 09:50 Microstructural investigation of neutron irradiated model alloys and steels, M. Lambrecht (SCK•CEN)

09:50 – 10:10 Coffee Break

Second part - Link to mechanical properties
10:10 – 10:30 Atomistic study of dislocation motion in Fe-alloys in the presence of radiation defects, D. Terentyev (SCK•CEN)
10:30 – 11:00 Internal friction study of dislocation dynamics in neutron-irradiated iron based materials, M. Konstantinovic (SCK•CEN)
11:00 -11:30 Integration of modeling tools for RPV steels embrittelment, G. Adjanor (EDF)

Third part - Discussion: the industrial perception of modelling
11:30-12:40 Introduction: The point of view of Electrabel-Suez, R. Gérard
Other points of view will be welcome for the discussion
12:40 – 13:40 Sandwich lunch

Afternoon Session: IASCC of internals – Chairman: S. Van Dyck

Introduction
13:40 – 14:00 From PERFECT to PERFORM60: the contribution of SCK•CEN on austenitic steels for internals, S. van Dyck (SCK•CEN)

First part - Microstructure
14:00 - 14:20 Atomistic simulation of radiation damage production and evolution in austenitic alloys, Ch. Domain (EDF/U. Lille)
14:20 - 14:50 Effect of stacking fault energy on the susceptibiliy of stainless steels to IASCC in PWR conditions, X. Li (SCK•CEN)

14:50 - 15:10 Coffee Break

Second part – Continuum modelling
15:10 - 15:30 Modelling of crack initiation/growth in stainless steels in relation with IASCC, M. Vankeerberghen (SCK•CEN)
15:30 - 15:50 Modeling of chemical environment effects on stainless steels in relation with IASCC, S. Gavrilov (SCK•CEN)
15:50 – 16:20 Assessment of the IASCC related end-products of PERFECT and perspective to future work, S. van Dyck or M. Vankeerberghen (SCK•CEN)

Third part – General discussion
16:20 – 17:00 Will be led by the two chairmen of the topical day
17:00 Drink