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Corrosion behavior of dual-phase Ti-6Al-4V alloys: A discussion on the impact of Fe content
Zhao, Pingping1,2; Song, Yingwei1,3; Dong, Kaihui1; Shan, Dayong1; Han, En-Hou1,3
Corresponding AuthorSong, Yingwei(ywsong@imr.ac.cn)
2021-03-25
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume858Pages:12
AbstractFe is a promising alloying element for the development of high strength Ti alloys. However, the distribution and phase structure of Fe in Ti alloys would have an important effect on their corrosion resistance. Therefore, the effect of Fe content on the corrosion behavior of dual-phase Ti-6Al-4V alloys was studied using a galvanic coupling technique together with the electron probe X-ray microanalysis (EPMA) and Kelvin probe force microscope (KPFM). The results indicate that the Fe is enriched in the beta phases, resulting in an increase in Volta potential difference between the beta and alpha phases. Ti-6Al-4V alloy with high Fe content (TC4-H) shows worse crevice corrosion resistance than Ti-6Al-4V alloy with low Fe content (TC4-L), which can be attributed to the worse compactness and passivation ability of the passive film on TC4-H due to Fe doping. (C) 2020 Elsevier B.V. All rights reserved.
KeywordCrevice corrosion Fe content Ti-6Al-4V alloys Dual phase Potential difference Passive film
Funding OrganizationInnovation Group of Marine Engineering Materials and Corrosion Control, Southern Marine Science and Engineering Guangdong Laboratory
DOI10.1016/j.jallcom.2020.157708
Indexed BySCI
Language英语
Funding ProjectInnovation Group of Marine Engineering Materials and Corrosion Control, Southern Marine Science and Engineering Guangdong Laboratory[3110200012]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000614105800067
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159166
Collection中国科学院金属研究所
Corresponding AuthorSong, Yingwei
Affiliation1.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat & Engn, Shenyang 110016, Peoples R China
3.Southern Marine Sci & Engn Guangdong Lab, Zhuhai 519000, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Pingping,Song, Yingwei,Dong, Kaihui,et al. Corrosion behavior of dual-phase Ti-6Al-4V alloys: A discussion on the impact of Fe content[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2021,858:12.
APA Zhao, Pingping,Song, Yingwei,Dong, Kaihui,Shan, Dayong,&Han, En-Hou.(2021).Corrosion behavior of dual-phase Ti-6Al-4V alloys: A discussion on the impact of Fe content.JOURNAL OF ALLOYS AND COMPOUNDS,858,12.
MLA Zhao, Pingping,et al."Corrosion behavior of dual-phase Ti-6Al-4V alloys: A discussion on the impact of Fe content".JOURNAL OF ALLOYS AND COMPOUNDS 858(2021):12.
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