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The characterization of corrosion layers of GH3535 and Inconel 625 alloys in molten KNO3-NaNO3 salts at 500 degrees C
Liu, Chengpeng1; Tang, Xu2; Cheng, Long1; Leng, Bin1; Li, Xiaoli1; Ye, Xiang-Xi1; Huang, Hefei1
2022-08-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume204Pages:12
AbstractThe characterization of corrosion layers of GH3535 and Inconel 625 alloys in the 40 KNO3-60 NaNO3 (wt%) at 500 degrees C for 500 h was investigated by advanced electron microscopy. The results show that the corrosion depth of Inconel 625 alloy is smaller than that of GH3535 alloy. The corrosion products of GH3535 alloy are identified to be NiO(NiFe2O4)/MoO2 from outer to inner corrosion layer, while those of Inconel 625 alloy are NiO/Cr2O3 from outer to inner corrosion layer. The corrosion diversity of two alloys can be ascribed to higher content of Mo in GH3535 and Cr in Inconel 625 alloy.
KeywordNickel-based alloy Molten nitrate salts Electron microscopy Corrosion layers
DOI10.1016/j.corsci.2022.110406
Funding Organization"Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS
WOS KeywordINTERNAL OXIDATION ; NITRATE SALTS ; HOT CORROSION ; BEHAVIOR
Language英语
Funding Project"Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences[XDA21000000] ; Youth Innovation Promotion Association CAS[2018296]
Funding Organization"Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; "Transformational Technologies for Clean Energy and Demonstration", Strategic Priority Research Program of the Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000808358200002
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/106105
Collection科技支撑系统
Corresponding AuthorLeng, Bin
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Electron Microscope Lab, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Liu, Chengpeng,Tang, Xu,Cheng, Long,et al. The characterization of corrosion layers of GH3535 and Inconel 625 alloys in molten KNO3-NaNO3 salts at 500 degrees C[J]. CORROSION SCIENCE,2022,204:12.
APA Liu, Chengpeng.,Tang, Xu.,Cheng, Long.,Leng, Bin.,Li, Xiaoli.,...&Huang, Hefei.(2022).The characterization of corrosion layers of GH3535 and Inconel 625 alloys in molten KNO3-NaNO3 salts at 500 degrees C.CORROSION SCIENCE,204,12.
MLA Liu, Chengpeng,et al."The characterization of corrosion layers of GH3535 and Inconel 625 alloys in molten KNO3-NaNO3 salts at 500 degrees C".CORROSION SCIENCE 204(2022):12.
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