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In-situ monitoring of pitting corrosion of AZ31 magnesium alloy by combining electrochemical noise and acoustic emission techniques
Zhang, Zhen1,2; Zhao, Zhanyong1; Bai, Peikang1; Li, Xiaofeng1; Liu, Bin1; Tan, Jibo2; Wu, Xinqiang2
Corresponding AuthorZhang, Zhen(zzhang14s@alum.imr.ac.cn) ; Wu, Xinqiang(xqwu@imr.ac.cn)
2021-10-15
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume878Pages:7
AbstractPitting corrosion of AZ31 magnesium (Mg) alloy was in-situ monitored by combining electrochemical noise (EN) and acoustic emission (AE) techniques. The EN signals were analyzed by transient shape observation, Hilbert spectrum and recurrence quantification analysis (RQA) based on recurrence plot (RP). AE char-acteristic parameters including rise time, amplitude, absolute energy and peak count were adopted to classify the AE signals. According to the mutual information obtained by EN and AE measurements, three corrosion stages including film-forming process, pit initiation and pit propagation can be identified. The detailed relationship between the AE and EN parameters and different corrosion mechanisms is discussed. The main contribution of present study is to provide a feasible method to effectively monitor the self-corrosion process of Mg alloy. (c) 2021 Elsevier B.V. All rights reserved.
KeywordMagnesium alloy Pitting corrosion Electrochemical noise Acoustic emission
Funding OrganizationHighlevel Talent Fund of North University of China
DOI10.1016/j.jallcom.2021.160334
Indexed BySCI
Language英语
Funding ProjectHighlevel Talent Fund of North University of China[1101285710]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000660466600002
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160537
Collection中国科学院金属研究所
Corresponding AuthorZhang, Zhen; Wu, Xinqiang
Affiliation1.North Univ China, Sch Mat Sci & Engn, Shanxi Key Lab Controlled Met Solidificat & Preci, Taiyuan 030051, Peoples R China
2.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Liaoning Key Lab Safety & Assessment Tech Nucl Ma, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zhen,Zhao, Zhanyong,Bai, Peikang,et al. In-situ monitoring of pitting corrosion of AZ31 magnesium alloy by combining electrochemical noise and acoustic emission techniques[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2021,878:7.
APA Zhang, Zhen.,Zhao, Zhanyong.,Bai, Peikang.,Li, Xiaofeng.,Liu, Bin.,...&Wu, Xinqiang.(2021).In-situ monitoring of pitting corrosion of AZ31 magnesium alloy by combining electrochemical noise and acoustic emission techniques.JOURNAL OF ALLOYS AND COMPOUNDS,878,7.
MLA Zhang, Zhen,et al."In-situ monitoring of pitting corrosion of AZ31 magnesium alloy by combining electrochemical noise and acoustic emission techniques".JOURNAL OF ALLOYS AND COMPOUNDS 878(2021):7.
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