CORROSION OF CONTAINER AND INFRASTRUCTURE MATERIALS UNDER CLAY REPOSITORY CONDITIONS

Ziel

OBJECTIVE OF THE PROGRAMME IS TO DETERMINE CORROSION RATES OF SELECTED CANDIDATE MATERIALS UNDER REALISTIC REPOSITORY CONDITIONS OVER LONG EXPOSURE PERIODS, TO DETERMINE THE IN-SITU CLAY AGRESSIVITY ANDE ITS EVOLUTION AFTER INTRODUCTION OF WASTE CONTAINERS, TO EVALUATE THE EFFECT OF GAMMA RADIATION ON CORROSION RATES IN A CLAY ENVIRONMENT AND FINALLY, BASED ON THE COMBINED RESULTS OF THESE EXPERIMENTS, TO DEVELOP MATHEMATICAL MODELS FOR THE PREDICTION OF LONG TERM CORROSION DAMAGE. THIS APPROACH WILL ENABLE TO QUALIFY MATERIALS FOR USE AS A BARRIER BETWEEN VITRIFIED HIGH LEVEL WASTE AND CLAY AS A HOST MEDIUMJ, AND BETWEEN THE UNDERGROUND FACILITIES AND CLAY.

1. INSTALLATION AND EXPLOITATION OF CORRISION TUBES IN THE UNDERGROUND LABORATORY.
1.1. INTERACTION OF METAL ALLOYS WITH SOLID CLAY."
1.2. CORROSION IN A HUMID CLAY ATMOSPHERE.
2. INSTANTANEOUS AND INTEGRATED CORROSION MEASUREMENTS IN THE UNDERGROUND LABORATORY.
3. CHARACTERIZATION OF THE CLAY ENVIRONMENT (SOLID CLAY AND HUMID CLAY ATMOSPHERE) BY MEANS OF PH-AND EH-MEASUREMENTS.
4. ASSESSMENT OF THE INFLUENCE OF AN EXTERNAL GAMMA RADIATION FIELD ON CORROSION RATE AND MECHANISM.
5. ELECTROCHEMICAL LABORATORY EXPERIMENTS IN A RANGE OF CONDITIONS RESULTING FROM PREVIOUS ACTIONS.
6. DEVELOPMENT OF A MATHEMATICAL MODEL FOR THE PREDICTION OF LONG TERM CORROSION DAMAGE ACCUMULATION.

Wissenschaftliches Gebiet

natural sciencesmathematicsapplied mathematicsmathematical model

Programm/Programme

FP1-RADWASTOM 3C - Research and development programme (Euratom) on the management and storage of radioactive waste, 1985-1989

Thema/Themen

Data not available

Aufforderung zur Vorschlagseinreichung

Data not available

Finanzierungsplan

CSC - Cost-sharing contracts

Koordinator

BELGIAN NUCLEAR RESEARCH CENTRE

EU-Beitrag

Keine Daten

Adresse

200,Herrmann Debrouxlaan 40-42
1160 BRUXELLES
Belgien

Gesamtkosten