First measurements of aluminum erosion by neutral particles on EAST tokamak

doi:10.1016/j.nme.2021.100938

	First measurements of aluminum erosion by neutral particles on EAST tokamak
	Mu, L.2,3; Ding, R.2; Liu, N. X.2,3; Xie, H.1,2; Gao, B. F.2,3; Chen, J. L.2
刊名	NUCLEAR MATERIALS AND ENERGY
	2021-03-01
卷号	26
关键词	Material erosion Neutrals EAST tokamak Sputtering
DOI	10.1016/j.nme.2021.100938
通讯作者	Ding, R.(rding@ipp.ac.cn)
英文摘要	To evaluate the erosion effects of neutral particles on the first wall materials during tokamak operation, aluminum (Al) coated samples were exposed to a sequence of plasma discharges in 2018 and 2019 EAST campaigns. In order to avoid the incidence of charged particles, the samples were installed in a molybdenum (Mo) cylindrical sleeve and positioned far from the main plasma. The erosion thicknesses of Al layer were measured by Rutherford Backscattering Spectrometry (RBS) before and after the plasma exposure. The average net erosion rates of the samples in the two campaigns are around 1.18 x 10(13) atoms cm(-2) s(-1) and 4.64 x 10(13) atoms cm(-2) s(-1), respectively. The different erosion rate may mainly result from different plasma density and heating power. The theoretical calculated erosion rates using the neutral distribution under different density conditions are in fair agreement with the experimental results.
资助项目	National Key Research and Development Program of China[2017YFE0301300] ; National Key Research and Development Program of China[2017YFA0402500] ; National Nature Science Foundation of China[11675218] ; National Nature Science Foundation of China[12022511] ; National Nature Science Foundation of China[11861131010] ; National Nature Science Foundation of China[11675219] ; CASHIPS Director's Fund[BJPY2019B01] ; Key Research Program of Frontier Sciences of CAS[ZDBS-LY-SLH010]
WOS研究方向	Nuclear Science & Technology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000628782500056
资助机构	National Key Research and Development Program of China ; National Nature Science Foundation of China ; CASHIPS Director's Fund ; Key Research Program of Frontier Sciences of CAS
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/121388]
专题	中国科学院合肥物质科学研究院
通讯作者	Ding, R.
作者单位	1.Shenzhen Univ, Adcanced Energy Res Ctr, Shenzhen 528060, Peoples R China 2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China 3.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Mu, L.,Ding, R.,Liu, N. X.,et al. First measurements of aluminum erosion by neutral particles on EAST tokamak[J]. NUCLEAR MATERIALS AND ENERGY,2021,26.
APA	Mu, L.,Ding, R.,Liu, N. X.,Xie, H.,Gao, B. F.,&Chen, J. L..(2021).First measurements of aluminum erosion by neutral particles on EAST tokamak.NUCLEAR MATERIALS AND ENERGY,26.
MLA	Mu, L.,et al."First measurements of aluminum erosion by neutral particles on EAST tokamak".NUCLEAR MATERIALS AND ENERGY 26(2021).