Identifying the cavitation erosion stages of AA5083 by electrochemical noise analyses

Purpose The purpose of this paper is to study the cavitation erosion stages of AA5083 by electrochemical noise (EN). Design/methodology/approach EN technology including noise resistance and fast Fourier transform were used to characterize the electrochemical process during the cavitation erosion pro...

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Bibliographic Details
Published in:Anti-corrosion methods and materials 2023-02, Vol.70 (2), p.53-58
Main Authors: Zhu, Yesen, Liu, Zhe, Qin, Zhenbo, Hou, Mengyang, Hu, Taoyong, Yuan, Quan
Format: Article
Language:English
Subjects:
Cavitation
Cavitation erosion
Corrosion
Corrosion potential
Corrosion resistance
Deformation
Electrochemical noise
Electrochemistry
Erosion mechanisms
Fast Fourier transformations
Flow control
Fourier transforms
Intermetallic compounds
Morphology
Noise
Spectrum analysis
Uniform attack (corrosion)
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Summary:Purpose The purpose of this paper is to study the cavitation erosion stages of AA5083 by electrochemical noise (EN). Design/methodology/approach EN technology including noise resistance and fast Fourier transform were used to characterize the electrochemical process during the cavitation erosion process. Findings AA5083 suffers from uniform corrosion during the cavitation erosion process. The whole cavitation erosion process can be divided into three stages: incubation stage, acceleration stage and steady-state stage. EN signals showed obvious differences in different stages of cavitation erosion. Originality/value EN technique is a suitable method that can be used to study cavitation erosion mechanism and identify cavitation erosion stages.
ISSN:0003-5599
0003-5599
1758-4221
DOI:10.1108/ACMM-11-2022-2722