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	Surface modification of F82H steel exposed to low energy, high flux He plasmas
	Xu, Yu-Ping1,2; Zhou, Hai-Shan1; Peng, Y. K. Martin1,2; Lu, Tao1; Li, Xiao-Chun1; Liu, Feng1; Wang, Jing1,2; Liu, Hao-Dong1,2; Lyu, Yi-Ming1,2; Luo, Guang-Nan1,2,3,4
刊名	NUCLEAR FUSION
	2017-05-01
卷号	57期号:5页码:无
关键词	Plasma-surface Interaction Nanostructured Layers Rafm Steels Helium
DOI	10.1088/1741-4326/aa635d
文献子类	Article
英文摘要	Polished F82H steel samples were exposed to He plasmas with an ion incident energy of similar to 80 eV at 773-873 K to three central exposure fluences: 6 x 10(24), 1 x 10(25) and 4 x 10(25) He m(-2). Pinholes with diameters less than 70 nm are densely distributed on all exposed samples, resulting from the formation and bursting of blisters. Further, tendril-like features in maze-like patterns on the top of terrace-like ridges are visible for the sample exposed to 4 x 10(25) He m(-2) in the beam center. EDS indicates that the tendrils are tungsten enriched. Voids with different sizes and shapes with a depth up to 3.5 mu m are observed across the sample exposed to 1 x 10(25) He m(-2). Over the area exposed to a fluence of up to 2 x 10(24) He m(-2), variations of wavy morphology and blisters are also observed, which could correlate with the crystallographic orientation at the surface. These He pre-exposed F82H steel samples were subsequently subjected to the conditions near the plasma edge in the EAST tokamak for 367 D plasma pulses of varied durations. It is found that the tendril-like features are partially destroyed by these plasma exposures. These results suggest that the properties of the material likely undergo substantial changes due to expected plasma exposure in a tokamak environment. The bursting of blisters and erosion of W-enriched tendrils would introduce additional impurities that could negatively influence the operation of a fusion device.
WOS关键词	HELIUM PLASMA ; TUNGSTEN ; DEMO ; DEPENDENCE ; PLANT ; IRON
WOS研究方向	Physics
语种	英语
WOS记录号	WOS:000398383900001
资助机构	National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 11405201) ; 11405201) ; 11405201) ; 11405201) ; 11405201) ; 11405201) ; 11405201) ; 11405201) ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Magnetic Confinement Fusion Science Program of China(2013GB105001 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; National Natural Science Foundation of China(11505232 ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Technological Development Grant of Hefei Science Center of CAS(2014TDG-HSC003) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Scientific Research Grant of Hefei Science Center of CAS(2015HSC-SRG054) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Korea Research Council of Fundamental Science and Technology (KRCF) under the international collaboration & research in Asian countries(PG1314) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; Joint Sino-German research(GZ 765) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 2015GB109001) ; 11405201) ; 11405201) ; 11405201) ; 11405201) ; 11405201) ; 11405201) ; 11405201) ; 11405201)
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/31812]
专题	合肥物质科学研究院_中科院等离子体物理研究所
作者单位	1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Peoples R China 3.Hefei Ctr Phys Sci & Technol, Hefei 230031, Peoples R China 4.Chinese Acad Sci, Hefei Sci Ctr, Hefei 230027, Peoples R China
推荐引用方式 GB/T 7714	Xu, Yu-Ping,Zhou, Hai-Shan,Peng, Y. K. Martin,et al. Surface modification of F82H steel exposed to low energy, high flux He plasmas[J]. NUCLEAR FUSION,2017,57(5):无.
APA	Xu, Yu-Ping.,Zhou, Hai-Shan.,Peng, Y. K. Martin.,Lu, Tao.,Li, Xiao-Chun.,...&Luo, Guang-Nan.(2017).Surface modification of F82H steel exposed to low energy, high flux He plasmas.NUCLEAR FUSION,57(5),无.
MLA	Xu, Yu-Ping,et al."Surface modification of F82H steel exposed to low energy, high flux He plasmas".NUCLEAR FUSION 57.5(2017):无.

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