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Formation of Bubble-Loop Complexes During Helium Radiation in Fe-9Cr Steel
Shi, Tiantian1; Liu, Wenbo1; Su, Zhengxiong1; Yan, Xu1; Lu, Chenyang1; Yang, Zhaoxi1; He, Xinfu2; Yan, Wei3; Yun, Di1,4
Corresponding AuthorYun, Di(diyun1979@xjtu.edu.cn)
2021-08-25
Source PublicationFRONTIERS IN ENERGY RESEARCH
ISSN2296-598X
Volume9Pages:10
AbstractIn the present study, the Fe-9Cr model alloy was irradiated with 240 keV He2+ at 550 degrees C with a dose of 0.5 dpa at the peak damage region. The depth distribution of bubbles in Fe-9Cr alloy was investigated by transmission electron microscopy (TEM). The experimental results revealed that the spatial distribution of bubbles along the depth is different. In the region with higher helium concentration and irradiation dose, the bubbles inclined to be situated inside the plane of loops, forming a structure of "bubble-loop complex." However, in regions where the helium concentration and irradiation dose are relatively low, the number of "bubble-loop complexes" significantly decreased. In addition, the Burgers vector of "bubble-loop complexes" was identified as type. Radiation-induced enrichment of Cr atoms at the "bubble-loop complexes" was also quantitatively estimated by energy-dispersive X-ray spectroscopy (EDS) in the scanning TEM mode.

KeywordFe-Cr alloys bubble-loop complexes He irradiation Cr enrichment dislocation loops
Funding OrganizationNational Natural Science Foundation of China ; NSAF Joint Fund ; China Postdoctoral Science Foundation
DOI10.3389/fenrg.2021.710907
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[11705137] ; NSAF Joint Fund[U1830124] ; China Postdoctoral Science Foundation[2018T111053]
WOS Research AreaEnergy & Fuels
WOS SubjectEnergy & Fuels
WOS IDWOS:000717510100001
PublisherFRONTIERS MEDIA SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/167234
Collection中国科学院金属研究所
Corresponding AuthorYun, Di
Affiliation1.Xi An Jiao Tong Univ, Dept Nucl Sci & Technol, Xian, Peoples R China
2.China Inst Atom Energy, Reactor Engn Technol Res Div, Beijing, Peoples R China
3.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang, Peoples R China
4.Xi An Jiao Tong Univ, State Key Lab Multiphase Row Power Engn SKLMF, Xian, Peoples R China
Recommended Citation
GB/T 7714
Shi, Tiantian,Liu, Wenbo,Su, Zhengxiong,et al. Formation of Bubble-Loop Complexes During Helium Radiation in Fe-9Cr Steel[J]. FRONTIERS IN ENERGY RESEARCH,2021,9:10.
APA Shi, Tiantian.,Liu, Wenbo.,Su, Zhengxiong.,Yan, Xu.,Lu, Chenyang.,...&Yun, Di.(2021).Formation of Bubble-Loop Complexes During Helium Radiation in Fe-9Cr Steel.FRONTIERS IN ENERGY RESEARCH,9,10.
MLA Shi, Tiantian,et al."Formation of Bubble-Loop Complexes During Helium Radiation in Fe-9Cr Steel".FRONTIERS IN ENERGY RESEARCH 9(2021):10.
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