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Hydrogen production through aluminium corrosion in a cement-based matrix
RISE Research Institutes of Sweden, Materials and Production, Corrosion.ORCID iD: 0000-0001-9243-4508
RISE Research Institutes of Sweden, Materials and Production, Corrosion.ORCID iD: 0000-0002-0916-5851
M.E.C.M Rond-point de l'échangeur, France.
RISE Research Institutes of Sweden, Materials and Production, Corrosion.ORCID iD: 0000-0001-5399-9274
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2023 (English)In: Materials and corrosion - Werkstoffe und Korrosion, ISSN 0947-5117, E-ISSN 1521-4176, Vol. 74, no 11-12, p. 1765-1776Article in journal (Refereed) Published
Abstract [en]

In France, deep geological disposal is considered for the storage of high and intermediate-level long-lived radioactive wastes. For aluminium, the possibility to encapsulate the wastes in a cement-based matrix is studied. However, cement being an alkaline environment, aluminium can lose its passivity, starts to corrode leading to hydrogen evolution in the infrastructures and generate a possible explosive hazard after decades of storage if hydrogen can accumulate somewhere in the facility. It is therefore necessary to study the corrosion behaviour of aluminium in the different cements considered for the encapsulation to estimate the possible amount of hydrogen that could be generated through corrosion and design the cement capsules accordingly. This work mainly focused on the reaction occurring at the aluminium-cement interface. Raman spectroscopy did not highlight significant differences in the nature of the corrosion products forming at the cement/aluminium interface, leading to the conclusion that it is not the chemistry of the cement that is the key factor controlling the corrosion rate but rather the physical properties of the cement matrix. 

Place, publisher, year, edition, pages
John Wiley and Sons Inc , 2023. Vol. 74, no 11-12, p. 1765-1776
Keywords [en]
Alkalinity; Aluminum corrosion; Cements; Corrosion rate; Corrosive effects; Electrochemical corrosion; Hydrogen storage; Radioactive wastes; Alkaline environment; Aluminum can; Cement encapsulation; Cement-based matrices; Corrosion products; Deep geological disposal; Electrochemical measurements; Hydrogen-evolution; Long-lived radioactive wastes; Nuclear waste disposal; Hydrogen production
National Category
Corrosion Engineering
Identifiers
URN: urn:nbn:se:ri:diva-67964DOI: 10.1002/maco.202313962Scopus ID: 2-s2.0-85171655991OAI: oai:DiVA.org:ri-67964DiVA, id: diva2:1814457
Available from: 2023-11-24 Created: 2023-11-24 Last updated: 2023-12-28Bibliographically approved

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Bulidon, NicolasPélissier, KrystelMendibide, Christophe

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