Absorption of hydrogen into copper-coated titanium under active corrosion in a sulphide solution
The generally accepted safest method for disposal of spend nuclear fuel is in deep geological repositories. No final repository is yet in operation. The Swedish and Finnish KBS-3 method employs a multibarrier approach to shield the spent fuel from future generations. The chosen corrosion barrier is a 5 cm thick copper (Cu) canister made from oxygen free, phosphorous doped copper. In the long-term perspective, sulphide (SH-) is the most significant corrosive agent for Cu canister. Under anaerobic conditions, SH- will corrode Cu to produce copper(I)sulphide as well as hydrogen gas. In sufficiently high concentrations, H may negatively affect the mechanical properties of the metal via embrittlement or stress corrosion cracking. To complement the large body of work in this field, NR will be employed with in-situ electrochemical measurements to study the absorption of hydrogen in thin copper-coated titanium films under active corrosion in a SH- solution. If successful, the proposed experiments will provide critical evidence for exceedingly small H absorption in the Cu matrix. This will lay to rest controversies around the detrimental influence of H in these materials.
The data is currently only available to download if you are a member of the proposal team.
The recommended format for citing this dataset in a research publication is in the following format:
BERGENDAL Erik; J.J. Noël; PALSSON Gunnar and Alexei Vorobiev. (2023). Absorption of hydrogen into copper-coated titanium under active corrosion in a sulphide solution. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-04-253
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This data is not yet public
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