Investigation of Early Corrosion Behavior of Canister Candidate Materials in Oxic Groundwater by the EQCM Method
This study investigated the corrosion mass changes of canister candidate materials (Cu, Ni, Ti, SS304) in an oxic groundwater solution using the electrochemical quartz crystal microbalance method in order to estimate corrosion thickness. The materials were immersed in naturally aerated groundwater w...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2022-01-01
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| Series: | Science and Technology of Nuclear Installations |
| Online Access: | http://dx.doi.org/10.1155/2022/4582625 |
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| author | Gha-Young Kim Sung-Wook Kim Junhyuk Jang Seok Yoon Jin-Seop Kim |
| author_facet | Gha-Young Kim Sung-Wook Kim Junhyuk Jang Seok Yoon Jin-Seop Kim |
| author_sort | Gha-Young Kim |
| collection | DOAJ |
| description | This study investigated the corrosion mass changes of canister candidate materials (Cu, Ni, Ti, SS304) in an oxic groundwater solution using the electrochemical quartz crystal microbalance method in order to estimate corrosion thickness. The materials were immersed in naturally aerated groundwater with and without the addition of chloride ions to observe the mass changes as well as the open-circuit potential (corrosion potential). In the oxic groundwater solution, Ni, Ti, and SS304 exhibited negligible mass changes, indicating their insusceptibility to general corrosion. In contrast, the Cu electrode exhibited a relatively significant mass change (63.8 ng/cm2 for 60 h), and the maximum corrosion thickness was estimated to be approximately 0.1 μm/yr. In the presence of chloride ions, the Ni and Ti electrodes did not reveal demonstrate any significant changes, whereas the SS304 electrode was slightly increased compared to an absence of chloride ions. A lower mass change occurred when the Cu electrode was immersed in the chloride-containing groundwater solution compared with the absence of chlorides because the dissolution of Cu as CuCl2− was involved in Cu2O formation. |
| format | Article |
| id | doaj-art-383620b6b18a43e7bba909c552e2c55c |
| institution | Kabale University |
| issn | 1687-6083 |
| language | English |
| publishDate | 2022-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Science and Technology of Nuclear Installations |
| spelling | doaj-art-383620b6b18a43e7bba909c552e2c55c2025-02-03T01:24:36ZengWileyScience and Technology of Nuclear Installations1687-60832022-01-01202210.1155/2022/4582625Investigation of Early Corrosion Behavior of Canister Candidate Materials in Oxic Groundwater by the EQCM MethodGha-Young Kim0Sung-Wook Kim1Junhyuk Jang2Seok Yoon3Jin-Seop Kim4Disposal Performance Demonstration Research DivisionDecommissioning Technology Research DivisionDisposal Performance Demonstration Research DivisionDisposal Safety Evaluation Research DivisionDisposal Performance Demonstration Research DivisionThis study investigated the corrosion mass changes of canister candidate materials (Cu, Ni, Ti, SS304) in an oxic groundwater solution using the electrochemical quartz crystal microbalance method in order to estimate corrosion thickness. The materials were immersed in naturally aerated groundwater with and without the addition of chloride ions to observe the mass changes as well as the open-circuit potential (corrosion potential). In the oxic groundwater solution, Ni, Ti, and SS304 exhibited negligible mass changes, indicating their insusceptibility to general corrosion. In contrast, the Cu electrode exhibited a relatively significant mass change (63.8 ng/cm2 for 60 h), and the maximum corrosion thickness was estimated to be approximately 0.1 μm/yr. In the presence of chloride ions, the Ni and Ti electrodes did not reveal demonstrate any significant changes, whereas the SS304 electrode was slightly increased compared to an absence of chloride ions. A lower mass change occurred when the Cu electrode was immersed in the chloride-containing groundwater solution compared with the absence of chlorides because the dissolution of Cu as CuCl2− was involved in Cu2O formation.http://dx.doi.org/10.1155/2022/4582625 |
| spellingShingle | Gha-Young Kim Sung-Wook Kim Junhyuk Jang Seok Yoon Jin-Seop Kim Investigation of Early Corrosion Behavior of Canister Candidate Materials in Oxic Groundwater by the EQCM Method Science and Technology of Nuclear Installations |
| title | Investigation of Early Corrosion Behavior of Canister Candidate Materials in Oxic Groundwater by the EQCM Method |
| title_full | Investigation of Early Corrosion Behavior of Canister Candidate Materials in Oxic Groundwater by the EQCM Method |
| title_fullStr | Investigation of Early Corrosion Behavior of Canister Candidate Materials in Oxic Groundwater by the EQCM Method |
| title_full_unstemmed | Investigation of Early Corrosion Behavior of Canister Candidate Materials in Oxic Groundwater by the EQCM Method |
| title_short | Investigation of Early Corrosion Behavior of Canister Candidate Materials in Oxic Groundwater by the EQCM Method |
| title_sort | investigation of early corrosion behavior of canister candidate materials in oxic groundwater by the eqcm method |
| url | http://dx.doi.org/10.1155/2022/4582625 |
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