In situ X-ray computed micro-tomography imaging of failure processes in Cr-coated Zircaloy nuclear fuel cladding materials
Chromium (Cr)-coated Zircaloy fuel cladding has been considered a promising candidate materials system for accident tolerant fuels. In this work, two types of Cr coatings produced by cold sprayed (CS) and physical vapour deposited (PVD) methods were studied. In particular, a novel combination of C-r...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-10-01
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| Series: | Materials & Design |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0264127523007888 |
| _version_ | 1797647920401481728 |
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| author | Guanjie Yuan J. Paul Forna-Kreutzer Jon Ell Harold Barnard Benjamin R. Maier Edward Lahoda Jorie Walters Robert O. Ritchie Dong Liu |
| author_facet | Guanjie Yuan J. Paul Forna-Kreutzer Jon Ell Harold Barnard Benjamin R. Maier Edward Lahoda Jorie Walters Robert O. Ritchie Dong Liu |
| author_sort | Guanjie Yuan |
| collection | DOAJ |
| description | Chromium (Cr)-coated Zircaloy fuel cladding has been considered a promising candidate materials system for accident tolerant fuels. In this work, two types of Cr coatings produced by cold sprayed (CS) and physical vapour deposited (PVD) methods were studied. In particular, a novel combination of C-ring compression tests at room temperature (RT) and 345 °C in an inert gas environment and real-time X-ray micro-computed tomography (XCT) imaging was adopted to investigate the failure processes. Before testing, the crystal structure and local properties were fully characterized; post testing, ex situ scanning electron microscope (SEM) imaging were conducted to complement the XCT measurements in crack density. It was found that the failure processes in both coatings vary with temperature, as discussed in detail. The hoop strength of first coating cracks’ formation of CS materials were higher than the PVD materials due to their higher interfacial roughness and distribution of splatted grains in CS coating. Based on a calculation of the first Dundurs’ parameter from the measured local properties and observed crack arrest/deflection at coating/substrate interface, it was found that the cold sprayed coating-cladding material system has a higher interfacial toughness in terms of critical strain energy release rate due to its interlocking interfacial structure. |
| first_indexed | 2024-03-11T15:24:37Z |
| format | Article |
| id | doaj.art-d403b93532b144409f698abb0849c267 |
| institution | Directory Open Access Journal |
| issn | 0264-1275 |
| language | English |
| last_indexed | 2024-03-11T15:24:37Z |
| publishDate | 2023-10-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Materials & Design |
| spelling | doaj.art-d403b93532b144409f698abb0849c2672023-10-28T05:06:41ZengElsevierMaterials & Design0264-12752023-10-01234112373In situ X-ray computed micro-tomography imaging of failure processes in Cr-coated Zircaloy nuclear fuel cladding materialsGuanjie Yuan0J. Paul Forna-Kreutzer1Jon Ell2Harold Barnard3Benjamin R. Maier4Edward Lahoda5Jorie Walters6Robert O. Ritchie7Dong Liu8School of Physics, University of Bristol, Bristol, UKSchool of Physics, University of Bristol, Bristol, UKDepartment of Materials Science and Engineering, University of California, Berkeley, USAAdvanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, USAWestinghouse Electric Company LLC, Churchill, PA, USAWestinghouse Electric Company LLC, Churchill, PA, USAWestinghouse Electric Company LLC, Columbia, SC, USADepartment of Materials Science and Engineering, University of California, Berkeley, USASchool of Physics, University of Bristol, Bristol, UK; Corresponding author.Chromium (Cr)-coated Zircaloy fuel cladding has been considered a promising candidate materials system for accident tolerant fuels. In this work, two types of Cr coatings produced by cold sprayed (CS) and physical vapour deposited (PVD) methods were studied. In particular, a novel combination of C-ring compression tests at room temperature (RT) and 345 °C in an inert gas environment and real-time X-ray micro-computed tomography (XCT) imaging was adopted to investigate the failure processes. Before testing, the crystal structure and local properties were fully characterized; post testing, ex situ scanning electron microscope (SEM) imaging were conducted to complement the XCT measurements in crack density. It was found that the failure processes in both coatings vary with temperature, as discussed in detail. The hoop strength of first coating cracks’ formation of CS materials were higher than the PVD materials due to their higher interfacial roughness and distribution of splatted grains in CS coating. Based on a calculation of the first Dundurs’ parameter from the measured local properties and observed crack arrest/deflection at coating/substrate interface, it was found that the cold sprayed coating-cladding material system has a higher interfacial toughness in terms of critical strain energy release rate due to its interlocking interfacial structure.http://www.sciencedirect.com/science/article/pii/S0264127523007888Coated-Zircaloy fuel claddingC-ring compressionX-ray computed micro-tomographyDeformation and fracture |
| spellingShingle | Guanjie Yuan J. Paul Forna-Kreutzer Jon Ell Harold Barnard Benjamin R. Maier Edward Lahoda Jorie Walters Robert O. Ritchie Dong Liu In situ X-ray computed micro-tomography imaging of failure processes in Cr-coated Zircaloy nuclear fuel cladding materials Materials & Design Coated-Zircaloy fuel cladding C-ring compression X-ray computed micro-tomography Deformation and fracture |
| title | In situ X-ray computed micro-tomography imaging of failure processes in Cr-coated Zircaloy nuclear fuel cladding materials |
| title_full | In situ X-ray computed micro-tomography imaging of failure processes in Cr-coated Zircaloy nuclear fuel cladding materials |
| title_fullStr | In situ X-ray computed micro-tomography imaging of failure processes in Cr-coated Zircaloy nuclear fuel cladding materials |
| title_full_unstemmed | In situ X-ray computed micro-tomography imaging of failure processes in Cr-coated Zircaloy nuclear fuel cladding materials |
| title_short | In situ X-ray computed micro-tomography imaging of failure processes in Cr-coated Zircaloy nuclear fuel cladding materials |
| title_sort | in situ x ray computed micro tomography imaging of failure processes in cr coated zircaloy nuclear fuel cladding materials |
| topic | Coated-Zircaloy fuel cladding C-ring compression X-ray computed micro-tomography Deformation and fracture |
| url | http://www.sciencedirect.com/science/article/pii/S0264127523007888 |
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