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Measurements of hydrogen diffusion coefficient for tube samples at medium and high temperatures
Liu, S; Zheng, HA; Gui, QH; Ma, AH; Yu, HB; Wang, LB; Yang, HG
Corresponding AuthorLiu, S(sliu@imr.ac.cn)
2004-04-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume40Issue:4Pages:393-398
AbstractBy using a specially designed device and gas permeation method, the hydrogen diffusion coefficients for the tube-shape samples of Cr18Ni10Ti austenite steel were measured. The testing temperature covers the range of 360-600 degreesC. The curves of hydrogen permeation flux and the relation of hydrogen diffusion coefficients and specific time were simulated by finite difference method (FDM). According to the simulated curves the experiment data related to the hydrogen. diffusion coefficients can be treated. The hydrogen diffusion coefficients for aluminum film inner coated tubes at room temperature is 5.789x 10(-20) m(2) /s, its activation energy of hydrogen diffusion is 8.144x 10(-20) J/mol, which are 5-6 orders lower and 1 times higher than those of uncoated tubes respectively.
Keywordhydrogen diffusion coefficient Cr18Ni10Ti tube finite differential method (FDM)
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000221112500013
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/119320
Collection中国科学院金属研究所
Corresponding AuthorLiu, S
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.China Inst Atom Energy, Beijing 102413, Peoples R China
Recommended Citation
GB/T 7714
Liu, S,Zheng, HA,Gui, QH,et al. Measurements of hydrogen diffusion coefficient for tube samples at medium and high temperatures[J]. ACTA METALLURGICA SINICA,2004,40(4):393-398.
APA Liu, S.,Zheng, HA.,Gui, QH.,Ma, AH.,Yu, HB.,...&Yang, HG.(2004).Measurements of hydrogen diffusion coefficient for tube samples at medium and high temperatures.ACTA METALLURGICA SINICA,40(4),393-398.
MLA Liu, S,et al."Measurements of hydrogen diffusion coefficient for tube samples at medium and high temperatures".ACTA METALLURGICA SINICA 40.4(2004):393-398.
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