Microstructure and mechanical properties evolution of the Cr coatings on SiC substrates under He irradiation
Environment coatings are frequently considered, to improve the corrosion resistance of silicon carbide (SiC) in pressurized water reactor (PWR) and boiling water reactor (BWR) surroundings. Chromium (Cr) is one of the main candidate materials for coatings on zirconium-based alloys for accident-toler...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-05-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424006082 |
| _version_ | 1797243000788615168 |
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| author | Shuxin Dai Zhanfeng Yan Kun Liang Peng Li Fanping Meng Ping Yu Bingsheng Li Fangfang Ge |
| author_facet | Shuxin Dai Zhanfeng Yan Kun Liang Peng Li Fanping Meng Ping Yu Bingsheng Li Fangfang Ge |
| author_sort | Shuxin Dai |
| collection | DOAJ |
| description | Environment coatings are frequently considered, to improve the corrosion resistance of silicon carbide (SiC) in pressurized water reactor (PWR) and boiling water reactor (BWR) surroundings. Chromium (Cr) is one of the main candidate materials for coatings on zirconium-based alloys for accident-tolerant fuel (AFT) cladding. In this work, the magnetron sputtered Cr coatings on SiC substrates were irradiated by the 500 keV He+ ions at room temperature. Moreover, the microstructural characterization was conducted on the irradiated specimens by using scanning electron microscope (SEM), and transmission electron microscope (TEM). The scratch test showed that the coating-substrate adhesion decreased from 41 N to 28 N (∼31.7%) before and after the irradiation, maybe due to that the irradiation produced tensile strain in the coating and mesophase along the coating-substrate interface. It revealed that irradiation accelerated the migration and aggregation of C elements on the surface of the coating. After the 800 °C annealing for 20 min, massive Cr atoms diffused into the SiC matrix and reacted with Cr to form a chromium silicide interlayer. Some cracks were observed at the interface, being attributed to the Kirkendall effect. Therefore, it is very necessary to avoid the formation of chromium silicide interlayer and decrease swelling mismatch between the metal coatings and the SiC substrate for the actual application in nuclear systems. |
| first_indexed | 2024-04-24T18:48:10Z |
| format | Article |
| id | doaj.art-15c0d385283d4f6d915f300196230feb |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-04-24T18:48:10Z |
| publishDate | 2024-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-15c0d385283d4f6d915f300196230feb2024-03-27T04:52:15ZengElsevierJournal of Materials Research and Technology2238-78542024-05-0130945953Microstructure and mechanical properties evolution of the Cr coatings on SiC substrates under He irradiationShuxin Dai0Zhanfeng Yan1Kun Liang2Peng Li3Fanping Meng4Ping Yu5Bingsheng Li6Fangfang Ge7Zhejiang Key Laboratory of Data-Driven High-Safety Energy Materials and Applications, Ningbo Key Laboratory of Special Energy Materials and Chemistry, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; Qianwan Institute of CNITECH, Ningbo 315336, ChinaInstitute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621999, ChinaZhejiang Key Laboratory of Data-Driven High-Safety Energy Materials and Applications, Ningbo Key Laboratory of Special Energy Materials and Chemistry, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; Qianwan Institute of CNITECH, Ningbo 315336, ChinaZhejiang Key Laboratory of Data-Driven High-Safety Energy Materials and Applications, Ningbo Key Laboratory of Special Energy Materials and Chemistry, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; Qianwan Institute of CNITECH, Ningbo 315336, ChinaZhejiang Key Laboratory of Data-Driven High-Safety Energy Materials and Applications, Ningbo Key Laboratory of Special Energy Materials and Chemistry, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; Qianwan Institute of CNITECH, Ningbo 315336, ChinaSchool of Electronic and Information Engineering, Ningbo University of Technology, Ningbo, 315211, ChinaState Key Laboratory for Environment-friendly Energy Materials, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China; Corresponding author.Zhejiang Key Laboratory of Data-Driven High-Safety Energy Materials and Applications, Ningbo Key Laboratory of Special Energy Materials and Chemistry, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China; Advanced Energy Science and Technology Guangdong Laboratory, Huizhou, 516000, China; Qianwan Institute of CNITECH, Ningbo 315336, China; Corresponding author. Engineering Laboratory of Advanced Energy Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China.Environment coatings are frequently considered, to improve the corrosion resistance of silicon carbide (SiC) in pressurized water reactor (PWR) and boiling water reactor (BWR) surroundings. Chromium (Cr) is one of the main candidate materials for coatings on zirconium-based alloys for accident-tolerant fuel (AFT) cladding. In this work, the magnetron sputtered Cr coatings on SiC substrates were irradiated by the 500 keV He+ ions at room temperature. Moreover, the microstructural characterization was conducted on the irradiated specimens by using scanning electron microscope (SEM), and transmission electron microscope (TEM). The scratch test showed that the coating-substrate adhesion decreased from 41 N to 28 N (∼31.7%) before and after the irradiation, maybe due to that the irradiation produced tensile strain in the coating and mesophase along the coating-substrate interface. It revealed that irradiation accelerated the migration and aggregation of C elements on the surface of the coating. After the 800 °C annealing for 20 min, massive Cr atoms diffused into the SiC matrix and reacted with Cr to form a chromium silicide interlayer. Some cracks were observed at the interface, being attributed to the Kirkendall effect. Therefore, it is very necessary to avoid the formation of chromium silicide interlayer and decrease swelling mismatch between the metal coatings and the SiC substrate for the actual application in nuclear systems.http://www.sciencedirect.com/science/article/pii/S2238785424006082SiCCr coatingsHe irradiationMicrostructure |
| spellingShingle | Shuxin Dai Zhanfeng Yan Kun Liang Peng Li Fanping Meng Ping Yu Bingsheng Li Fangfang Ge Microstructure and mechanical properties evolution of the Cr coatings on SiC substrates under He irradiation Journal of Materials Research and Technology SiC Cr coatings He irradiation Microstructure |
| title | Microstructure and mechanical properties evolution of the Cr coatings on SiC substrates under He irradiation |
| title_full | Microstructure and mechanical properties evolution of the Cr coatings on SiC substrates under He irradiation |
| title_fullStr | Microstructure and mechanical properties evolution of the Cr coatings on SiC substrates under He irradiation |
| title_full_unstemmed | Microstructure and mechanical properties evolution of the Cr coatings on SiC substrates under He irradiation |
| title_short | Microstructure and mechanical properties evolution of the Cr coatings on SiC substrates under He irradiation |
| title_sort | microstructure and mechanical properties evolution of the cr coatings on sic substrates under he irradiation |
| topic | SiC Cr coatings He irradiation Microstructure |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424006082 |
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