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The corrosion behavior of two-phase Ni-Dy alloys in a eutectic (Li,K)(2)CO3 mixture at 650 C-circle
Zeng, CL; Zhang, T; Guo, PY; Wu, WT
Corresponding AuthorZeng, CL(chaoliu@mail.sy.ln.cn)
2004-09-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume46Issue:9Pages:2183-2189
AbstractThe corrosion behavior of binary Ni-Dy alloys containing 1, 3 and 5 wt.% Dy in a eutectic (0.62Li,0.38K)(2)CO3 mixture at 650 degreesC has been investigated. The alloys are two-phase composed of alpha-Ni solid solution and intermetallic compound DY2Ni17. The experimental results indicate that the corrosion rate of the three Ni-Dy alloys is significantly lower than that of pure Ni, forming a scale mainly composed of NiO together with a small amount of dysprosium oxides. The weight gain of the alloys changes little with the content of dysprosium, while the thickness of the scale decreases with increasing content of dysprosium. The presence of Dy can promote the lithiation process of NiO during immersion in the melt. The corrosion mechanism of the alloys is also discussed. (C) 2004 Elsevier Ltd. All rights reserved.
Keywordnickel Ni-Dy alloys molten (Li,K)(2)CO3 corrosion
DOI10.1016/j.corsci.2004.01.016
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000223522100006
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82041
Corresponding AuthorZeng, CL
AffiliationChinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zeng, CL,Zhang, T,Guo, PY,et al. The corrosion behavior of two-phase Ni-Dy alloys in a eutectic (Li,K)(2)CO3 mixture at 650 C-circle[J]. CORROSION SCIENCE,2004,46(9):2183-2189.
APA Zeng, CL,Zhang, T,Guo, PY,&Wu, WT.(2004).The corrosion behavior of two-phase Ni-Dy alloys in a eutectic (Li,K)(2)CO3 mixture at 650 C-circle.CORROSION SCIENCE,46(9),2183-2189.
MLA Zeng, CL,et al."The corrosion behavior of two-phase Ni-Dy alloys in a eutectic (Li,K)(2)CO3 mixture at 650 C-circle".CORROSION SCIENCE 46.9(2004):2183-2189.
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