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THE STABILITY OF THE TRANSPASSIVE FILM ON 304-STAINLESS STEEL WITH POSTTREATMENT
SONG, GL; CAO, CN; LIN, HC
Corresponding AuthorSONG, GL()
1994
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume36Issue:1Pages:165-169
AbstractInvestigation on the stability of transpassive film on 304 stainless steel was carried out by ellipsometric measurement, AES and XPS analyses and examination of the breakdown potential, E(b), in a Cl-containing solution and the active dissolution time t(a) in an acidic medium. It is found that the t(a), of properly transpassivated film is almost 2 orders of magnitude longer than that of normally passivated film, and that the E(b) of the film which is post-treated in a molybdate-containing solution is much higher than that of the passive film formed in the passive region with the same post-treatment. The results of ellipsometric measurement show that the thickness of the film on the stainless steel increases with the positive shift of the anodic polarization potential, especially in the transpassive region, and the thickness of the transpassive film increases much more sharply than in the passive region. Moreover, AES and XPS analyses indicate that the transpassivated film consists of much more Fe3+ and much less Fe2+ than the passivated one, and this film with proper post-treatment contains much more Mo than the film formed in the passive region with the same post-treatment. It is believed that the increase of stability of the surface film obtained by transpassivation and post-treatment is ascribed to the increase of film thickness, the rise of the ratio Fe3+/Fe2+ and the adsorption of Mo into the film during the post-treatment.
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:A1994MP39000013
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/126309
Collection中国科学院金属研究所
Corresponding AuthorSONG, GL
AffiliationCHINESE ACAD SCI,INST CORROS & PROTECT MET,CORROS SCI LAB,62 WENCUI RD,SHENYANG 110015,PEOPLES R CHINA
Recommended Citation
GB/T 7714
SONG, GL,CAO, CN,LIN, HC. THE STABILITY OF THE TRANSPASSIVE FILM ON 304-STAINLESS STEEL WITH POSTTREATMENT[J]. CORROSION SCIENCE,1994,36(1):165-169.
APA SONG, GL,CAO, CN,&LIN, HC.(1994).THE STABILITY OF THE TRANSPASSIVE FILM ON 304-STAINLESS STEEL WITH POSTTREATMENT.CORROSION SCIENCE,36(1),165-169.
MLA SONG, GL,et al."THE STABILITY OF THE TRANSPASSIVE FILM ON 304-STAINLESS STEEL WITH POSTTREATMENT".CORROSION SCIENCE 36.1(1994):165-169.
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