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Electrochemical behavior of oxide films of stainless steel in 40 kHz sonicated sulphate electrolytes
Alternative TitleElectrochemical Behavior of Oxide Films of Stainless Steel in 40 kHz Sonicated Sulphate Electrolytes
Zhu Liqun1; Li Minwei1; Wang Hui2
2007
Source PublicationCHINESE JOURNAL OF AERONAUTICS
ISSN1000-9361
Volume20Issue:2Pages:148-152
AbstractThis paper describes effects of 40 kHz ultrasound on the oxide films of stainless steel in sulphate electrolytes so as to determine the transmitted power and to characterize mass transfer and peak current density on the electrode surface. Emphasis was mainly laid on electrochemical oxidations and peeling mechanism of oxide films in sonicated sulphate solutions (0.5 and 1.0 mol/L). Polarization voltammetry, current response traces and SEM analysis were carried out in order to provide fall information as to oxide films surface. Results shows that the rate of electrochemical oxidation, the shape of polarization curves and the surface micrographs in sonicated sulphate electrolytes are different from those obtained without introduction of ultrasound. It is concluded that ultrasound can change the electro-chemical behavior of oxide films by its cavitaion effects, which would produce transient mechanical impulsive force and enhance electrochemical reactions.
Other AbstractThis paper describes effects of 40 kHz ultrasound on the oxide films of stainless steel in sulphate electrolytes so as to determine the transmitted power and to characterize mass transfer and peak current density on the electrode surface. Emphasis was mainly laid on electrochemical oxidations and peeling mechanism of oxide films in sonicated sulphate solutions (0.5 and 1.0 mol/L). Polarization voltammetry, current response traces and SEM analysis were carried out in order to provide full information as to oxide films surface.Results shows that the rate of electrochemical oxidation, the shape of polarization curves and the surface micrographs in sonicated sulphate electrolytes are different from those obtained without introduction of ultrasound. It is concluded that ultrasound can change the electro-chemical behavior of oxide films by its cavitaion effects, which would produce transient mechanical impulsive force and enhance electrochemical reactions.
KeywordMASS-TRANSPORT ULTRASOUND CAVITATION stainless steel oxide films electrolysis ultrasound cavitation
Indexed ByCSCD
Language英语
CSCD IDCSCD:2911956
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/151240
Collection中国科学院金属研究所
Affiliation1.Beijing Univ Aeronaut & Astronaut, Sch Materials Sci & Engn, Beijing 100083, Peoples R China
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhu Liqun,Li Minwei,Wang Hui. Electrochemical behavior of oxide films of stainless steel in 40 kHz sonicated sulphate electrolytes[J]. CHINESE JOURNAL OF AERONAUTICS,2007,20(2):148-152.
APA Zhu Liqun,Li Minwei,&Wang Hui.(2007).Electrochemical behavior of oxide films of stainless steel in 40 kHz sonicated sulphate electrolytes.CHINESE JOURNAL OF AERONAUTICS,20(2),148-152.
MLA Zhu Liqun,et al."Electrochemical behavior of oxide films of stainless steel in 40 kHz sonicated sulphate electrolytes".CHINESE JOURNAL OF AERONAUTICS 20.2(2007):148-152.
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