Influence of Electrolysis and Plasma Polishing on Surface Properties of SUS304 Stainless Steel

Xue Mei Zong; Ji Wang; Yan Fei Wang; Jian Fei Liu

doi:10.4028/www.scientific.net/AMR.989-994.308

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 989-994Influence of Electrolysis and Plasma Polishing on...

Influence of Electrolysis and Plasma Polishing on Surface Properties of SUS304 Stainless Steel

Abstract:

Polishing was performed by using a self-made 40kw electrolysis and plasma polishing machine, and the test specimens were SUS304 stainless steel sheets. Roughness, micro-morphology, surface chemical composition and corrosion resistance of the specimens were analyzed. The results show the surface roughness value decreases quickly from R_a=0.573μm to R_a=0.115μm in first 10 minutes polishing. After 30 minutes polishing, the surface roughness value decreases to R_a=0.066μm. Microdefects on the surface are removed obtaining the smooth surface and Cr content of the surface increases slightly as well as the other elements content is nearly unchanged after the polishing, so the corrosion resistance measured by electrochemical analyzer is improved.

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Periodical:

Advanced Materials Research (Volumes 989-994)

Pages:

308-311

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.989-994.308

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Online since:

July 2014

Authors:

Xue Mei Zong*, Ji Wang, Yan Fei Wang, Jian Fei Liu

Keywords:

Corrosion Resistance, Electrolysis, Plasma Polishing, Roughness, Stainless Steel

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