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The corrosion behavior of the 6061 Al alloy in simulated Nansha marine atmosphere
Peng, Can1,2; Cao, Gongwang2,3; Gu, Tianzhen1,2; Wang, Chuan2,3; Wang, Zhenyao2,3; Sun, Cheng2,3
Corresponding AuthorWang, Chuan(cwang@imr.ac.cn) ; Wang, Zhenyao(zhywang@imr.ac.cn)
2022-07-01
Source PublicationJOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
ISSN2238-7854
Volume19Pages:709-721
AbstractThe corrosion behavior of the extruded 6061 Al alloy within 40 days of exposure in simulated Nansha marine atmosphere is investigated by electrochemical measurements, microscopic observations and X-ray photoelectron spectroscopy (XPS) tests. It is found that severe intergranular corrosion (IGC) and intragranular corrosion occur on the sample surface. Mg2Si phase and AlFeSi particles are the main intermetallic compounds in the 6061 Al alloy, which are closely related to the initiation and propagation of IGC. Moreover, the preferential dissolution of Mg from Mg2Si phase is observed and the reasons are explained from the perspective of thermodynamics. This study provides some valuable information for comprehensive understanding the corrosion behavior and mechanism of the 6061 Al alloy in simulated Nansha marine atmosphere. It is anticipated that we can use this valuable information to develop and design new Al alloys to make them more resistant to corrosion in this environment in the future. (c) 2022 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
KeywordAl-6061 Atmospheric corrosion Intermetallic particles Intergranular corrosion
Funding OrganizationNational Natural Science Foundation of China ; Special Project of Chinese Academy of Sciences
DOI10.1016/j.jmrt.2022.05.066
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51671197] ; Special Project of Chinese Academy of Sciences[XDA130040502]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000807332200004
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/174297
Collection中国科学院金属研究所
Corresponding AuthorWang, Chuan; Wang, Zhenyao
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Liaoning Shenyang Soil & Atmosphere Corros Mat Nat, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Peng, Can,Cao, Gongwang,Gu, Tianzhen,et al. The corrosion behavior of the 6061 Al alloy in simulated Nansha marine atmosphere[J]. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,2022,19:709-721.
APA Peng, Can,Cao, Gongwang,Gu, Tianzhen,Wang, Chuan,Wang, Zhenyao,&Sun, Cheng.(2022).The corrosion behavior of the 6061 Al alloy in simulated Nansha marine atmosphere.JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,19,709-721.
MLA Peng, Can,et al."The corrosion behavior of the 6061 Al alloy in simulated Nansha marine atmosphere".JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 19(2022):709-721.
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