IMR OpenIR
Formation of passive film on 304 stainless steel under alternating voltage electric field
Zhang, JX; Yan, LC; Wei, ZF; Qiao, YN; Cao, CN; Zhang, JQ
Corresponding AuthorZhang, JX(Zhangjunxi@21cn.com)
2004-04-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume40Issue:4Pages:404-410
AbstractAn investigation on the growth of passive film on 304 stainless steel by using alternating voltage (A.V.) passivation was carried out by electrochemical impedance spectroscopy (EIS), coulometry measurement and atomic force microscopy (AFM). EIS was performed on 304 stainless steel electrode, which is covered by A.V. passive film, to identify the formation of pore as a function of higher potential parts (Eh) in alternating square wave electric field. Coulomb-time curves were measured during the growth of passive film on different conditions. A new concept, probability of pore formation, which describes the behaviour of the pores during the growth of film, was presented. Results indicate that the growth mechanism of A.V. passive film is different from that of D.C. passive film, which makes the AV. passive films have a faster growth rate. Coulomb-time curves and AFM analysis confirmed the growth mechanism of A.V. passive film.
Keywordstainless steel alternating voltage passivation growth mechanism probability of pore formation
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000221112500015
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/119050
Collection中国科学院金属研究所
Corresponding AuthorZhang, JX
Affiliation1.Shanghai Univ Elect Power, Electrochem Res Grp, Key Lab State Power Corp China, Shanghai 200090, Peoples R China
2.Hangzhou Teachers Coll, Hangzhou 310036, Peoples R China
3.Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China
4.Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhang, JX,Yan, LC,Wei, ZF,et al. Formation of passive film on 304 stainless steel under alternating voltage electric field[J]. ACTA METALLURGICA SINICA,2004,40(4):404-410.
APA Zhang, JX,Yan, LC,Wei, ZF,Qiao, YN,Cao, CN,&Zhang, JQ.(2004).Formation of passive film on 304 stainless steel under alternating voltage electric field.ACTA METALLURGICA SINICA,40(4),404-410.
MLA Zhang, JX,et al."Formation of passive film on 304 stainless steel under alternating voltage electric field".ACTA METALLURGICA SINICA 40.4(2004):404-410.
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