Corrosion Problems Related to Nuclear Waste Disposal by Prepared by the Working Party on Nuclear Corrosion

By Prepared by the Working Party on Nuclear Corrosion

Covers the corrosion similar difficulties inherent within the numerous innovations of waste disposal which could outcome from diversified geological stipulations of the host formations.
Content:
• entrance subject
• sequence advent
• advent
• desk of Contents
1. the significance of Engineered obstacles for the ultimate Disposal of Radioactive Waste
2. High-Strength Corrosion-Resistant Candidate Nuclear Waste boxes
three. ultimate Disposal of Heat-Generating Radioactive Wastes in Rock Salt: Physico-Chemical Investigations at the Nearfield
four. complex Corrosion stories on chosen Packaging fabrics for Disposal of HLW Canisters in Rock Salt
five. Copper Canisters for Nuclear excessive point Waste Disposal: Corrosion elements
6. metal as a box fabric for Nuclear Waste Disposal
7. Hydrogen fuel new release from the Corrosion of Iron in Cementitious Environments
• participants of the steerage Committee of the operating occasion
• Technical themes of the operating occasion

Show description

By Prepared by the Working Party on Nuclear Corrosion

Covers the corrosion similar difficulties inherent within the numerous innovations of waste disposal which could outcome from diversified geological stipulations of the host formations.
Content:
• entrance subject
• sequence advent
• advent
• desk of Contents
1. the significance of Engineered obstacles for the ultimate Disposal of Radioactive Waste
2. High-Strength Corrosion-Resistant Candidate Nuclear Waste boxes
three. ultimate Disposal of Heat-Generating Radioactive Wastes in Rock Salt: Physico-Chemical Investigations at the Nearfield
four. complex Corrosion stories on chosen Packaging fabrics for Disposal of HLW Canisters in Rock Salt
five. Copper Canisters for Nuclear excessive point Waste Disposal: Corrosion elements
6. metal as a box fabric for Nuclear Waste Disposal
7. Hydrogen fuel new release from the Corrosion of Iron in Cementitious Environments
• participants of the steerage Committee of the operating occasion
• Technical themes of the operating occasion

Show description

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1 Immersion corrosion tests The standard dimensions of specimens for immersion tests are 30 x 20 x 2 mm for corrosion coupons and 150 X 20 X 2 mm for weld specimens (TIG welding). The welds were not cleaned after welding. e. the side that would be outermost on a sealing weld of a container. In order to maintain a given oxygen concentration in the test solution, a refreshing autoclave system was used. The oxygen level was set in an external reservoir by bubbling an oxygen/nitrogen gas mixture of the appropriate oxygen level through the medium in the reservoir.

NW 4 Advanced Corrosion Studies on Selected Packaging Materials for Disposal of HLW Canisters in Rock Salt E . SMAILOS,W . SCHWARZKOPF,R . KOSTER A N D K . H . GRUENTHALER" Kernforschungszentrum Karlsruhe GmbH (KM), Institut fuer Kukleare Entsorgungstechnik, U-7500 Karlsruhe, Germany *Battelle-Institut, D-6000 Frankfurt a. 8-I'd are the most promising materials for a long-term resistant packaging for disposal of high-level waste (HLW) canisters in rock salt formations. To characterize their corrosion behavior in more detail, additional studies have been performed.

M/year. This confirmed the susceptibility of Hastelloy C4 to local corrosion at elevated dose rates as already observed at 1000 Gy/h. 3. Studies on Stress Corrosion Cracking of Fine Grained Steel at Slow Strain Rates Our previous investigations [3]on U-bend specimens have shown that fine-grained steel is resistant to stress corrosion cracking in salt brines under static loading. 5 X l o p 5s p l and 5 X lop7spl in Q-brine rich in MgC1,. In order to interpret the results obtained in Q-brine, comparative investigations were made in argon as an inert medium.

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