Parameters Selection for Electropolishing Process of Products Made of Copper and Its Alloys

Electropolishing is electrochemical method used in metal working that has a vital role in production of medical apparatus, in food or electric industry. The purpose of this paper is to determine optimal current parameters and time required for conducting electropolishing process from the perspective...

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Bibliographic Details
Published in:Archives of metallurgy and materials 2017-09, Vol.62 (3), p.1443-1447
Main Authors: Maciąg, T., Wieczorek, J., Węcki, B.
Format: Article
Language:English
Subjects:
brass
Chemical polishing
Copper
Copper base alloys
Electropolishing
Ferrous alloys
Medical equipment
Metal working
Process parameters
Surface geometry
surface roughness
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Summary:Electropolishing is electrochemical method used in metal working that has a vital role in production of medical apparatus, in food or electric industry. The purpose of this paper is to determine optimal current parameters and time required for conducting electropolishing process from the perspective of changes of surface microgeometry. Furthermore, effect of different types of mechanical working used before electropolishing on final surface state was evaluated by observation in changes of topography. Research was conducted on electrolytic copper and brass. Analysis of surface geometry and its parameters (Ra, Sa) was used as criterion describing efficiency of chemical electropolishing. Results of the experiment allow for current parameter optimization of electrochemical polishing process for selected non-ferrous alloys with preliminary mechanical preparation of the surface.
ISSN:2300-1909
1733-3490
2300-1909
DOI:10.1515/amm-2017-0223