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The Investigation of Surface Morphology Forming Mechanisms in Electropolishing Process

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Figure 1.  (a) Mechanism of electrolytic polishing proposed by Pierre Jacquet, (b) Fundamental current density-voltage curve for electropolishing [14], (c) I-V curve of SS304 (BA) EP in a mixture of phosphoric acid and sulfuric acid at 70℃
Figure 2. Schematic of study flow
Figure 3.  Pictures of surface morphology at different EP times (5x10) (The arrows indicate the new pitting holes.)
Figure 4. The cross-sectional profiles of a pitting hole measured by confocal laser scanning microscope
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