CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Direct characterization of ion implanted nanopore pyrolytic graphite coatings for molten salt nuclear reactors
Zhang, HY; Lei, QT; Song, JL; Liu, M; Zhang, C; Gao, YT; Zhang, WT; Xia, HH; Liu, XD
2018
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume8Issue:59Pages:33927-33938
Subtype期刊论文
AbstractNanopore pyrolytic graphite coatings (PyC, average pore size similar to 64 nm) were prepared on graphite to inhibit liquid fluoride salt and Xe-135 penetration. The samples were irradiated with 7 MeV Xe26+ to a total peak dose of 0.1, 0.5, 2.5 and 5.0 displacements per atom at room temperature to study the irradiation resistance of the PyC. The effect of irradiation on the properties of the graphite was evaluated. With the increase of irradiation dose, the surface morphology of the coatings tends to be smoother. At the total peak dose of 2.5 dpa, peeling and spalling on the surface of the samples have been identified, indicating the surface microstructure of the graphite has been damaged by Xe26+ bombardment. Raman results indicated the increase in the degree of disorder and decrease of in-plane crystallite size with the irradiation dose, and the new PyC was more sensitive to irradiation than IG-110 graphite. The nanohardness at peak dose increased with the irradiation dose, but decreased at 2.5 dpa. The results of a hardness test also show PyC has a higher irradiation sensitivity.
KeywordLIQUID FLUORIDE SALT RAMAN-SPECTROSCOPY XE-135 PENETRATION ISOTROPIC GRAPHITE CARBON-FIBERS IRRADIATION CONDUCTIVITY PERMEABILITY TEMPERATURE COMPOSITES
DOI10.1039/c8ra06953k
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/30901
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Shandong Univ, State Key Lab Crystal Mat, Sch Phys, Jinan 250100, Shandong, Peoples R China
2.Fudan Univ, Inst Modern Phys, Shanghai 201800, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Nucl Radiat & Nucl Energy Technol, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Zhang, HY,Lei, QT,Song, JL,et al. Direct characterization of ion implanted nanopore pyrolytic graphite coatings for molten salt nuclear reactors[J]. RSC ADVANCES,2018,8(59):33927-33938.
APA Zhang, HY.,Lei, QT.,Song, JL.,Liu, M.,Zhang, C.,...&Liu, XD.(2018).Direct characterization of ion implanted nanopore pyrolytic graphite coatings for molten salt nuclear reactors.RSC ADVANCES,8(59),33927-33938.
MLA Zhang, HY,et al."Direct characterization of ion implanted nanopore pyrolytic graphite coatings for molten salt nuclear reactors".RSC ADVANCES 8.59(2018):33927-33938.
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