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Transient voltage-current characteristics: New insights into plasma electrolytic oxidation process of aluminium alloy
Duan HP(段红平); Li YC; Xia Y(夏原); Chen SH(陈少华); Duan, HP; Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
Source PublicationINTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
2012-08-01
Volume7Issue:8Pages:7619-7630
ISSN1452-3981
AbstractIn order to clarify the electrochemical mechanism of plasma electrolytic oxidation (PEO), SEM, Mott-Schottky measurement, and the transient voltage and current (V-I) characteristics were utilized to systematically investigate conductive properties and reaction process of aluminium electrodes. Results indicated that the aluminium electrode coated with oxide coatings exhibited n-type semi-conducive properties and it had a Schottky barrier diode (SBD)-typed structure with the rectification effect on current. These made the transient I-V characteristics have different behaviors in loading and unloading branch of the anodic region during PEO process of aluminium alloy electrode. Moreover, in-situ monitoring on the whole PEO process discovered that the resistance of PEO coatings in anodic and cathodic directions were both increased as treatment time prolonged. These methods and results reported in this paper would offer some new insights into the mechanism of PEO technique.
KeywordPlasma Electrolytic Oxidation Aluminium Transient V-i Characteristics Semiconducting Properties Schottky Barrier Diode Semiconductor Properties Valve Metals Coatings Films Electrodes Growth Az91d
Subject Area制造工艺力学
Indexed BySCI
Language英语
WOS IDWOS:000307980800080
Funding OrganizationThe author would like to thank the financial support of the National Nature Science Foundation of China (Nos: 10772179, 10832011) and China Postdoctoral Science Foundation (20090460536).
DepartmentMAM镀层工艺力学与摩擦学
ClassificationQ3
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46625
Collection先进制造工艺力学实验室
Corresponding AuthorDuan, HP; Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Duan HP,Li YC,Xia Y,et al. Transient voltage-current characteristics: New insights into plasma electrolytic oxidation process of aluminium alloy[J]. INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,2012,7(8):7619-7630.
APA 段红平,Li YC,夏原,陈少华,Duan, HP,&Chinese Acad Sci, Inst Mech, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China..(2012).Transient voltage-current characteristics: New insights into plasma electrolytic oxidation process of aluminium alloy.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,7(8),7619-7630.
MLA 段红平,et al."Transient voltage-current characteristics: New insights into plasma electrolytic oxidation process of aluminium alloy".INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 7.8(2012):7619-7630.
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