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@article{diler_potential_2020, title = {Potential influence of microorganisms on the corrosion of carbon steel in the {French} high- and intermediate-level long-lived radioactive waste disposal context}, volume = {n/a}, copyright = {© 2020 WILEY‐VCH Verlag GmbH \& Co. KGaA, Weinheim}, issn = {1521-4176}, url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/maco.202011779}, doi = {10.1002/maco.202011779}, abstract = {In the context of the high-level radioactive waste disposal CIGEO, the corrosion rate due to microbially influenced corrosion (MIC) has to be evaluated. In France, it is envisaged to dispose of high- and intermediate-level long-lived radioactive waste at a depth of 500 m in a deep geological disposal, drilled in the Callovo-Oxfordian claystone (Cox) formation. To do so, a carbon steel casing will be inserted inside disposal cells, which are horizontal tunnels drilled in the Cox. A specific cement grout will be injected between the carbon steel casing and the claystone. A study was conducted to evaluate the possibility of MIC on carbon steel in the foreseeable high radioactive waste disposal. The corrosiveness of various environments was investigated at 50°C and 80°C with or without microorganisms enriched from samples of Andra's underground research laboratory. The monitoring of corrosion during the experiments was ensured using gravimetric method and real-time corrosion monitoring using sensors based on the measurements of the electrical resistance. The corrosion data were completed with microbiological analyses including cultural and molecular characterizations.}, language = {en}, number = {n/a}, urldate = {2020-08-24}, journal = {Materials and Corrosion}, author = {Diler, Erwan and Leblanc, Vanessa and Gueuné, Hervé and Larché, Nicolas and Deydier, Valerie and Linard, Yannick and Crusset, Didier and Thierry, Dominique}, month = jul, year = {2020}, note = {\_eprint: https://onlinelibrary.wiley.com/doi/pdf/10.1002/maco.202011779}, keywords = {CIGEO, carbon steel, electrical resistance sensor, microbially influenced corrosion, radioactive waste}, }