  galanin-sakina-tik-2023-4.pdf |
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- FORMATION OF LOCAL DECORATIVE GOLD AND RHODIUM COATINGS BY STYLOGALVANISATION
- Galanin S. I., Sakina Yu. E. Formation of local decorative gold and rhodium coatings by stylogalvanisation. Technologies & Quality. 2023. No 4(62). P. 36–42. (In Russ.) https: doi 10.34216/2587-6147-2023-4-62-36-42.
- DOI: 10.34216/2587-6147-2023-4-62-36-42
- УДК: 621.357.7+535.6+745.5
- EDN: RBIRTC
- Publish date: 2023-11-22
- Annotation: The article deals with design, decorative and technological features of formation of local electroplating coatings with yellow and red gold, white and black rhodium using stylogalvanics. Colours of coatings formed on specially prepared surfaces at different technological parameters are experimentally determined. Significant dependence of colour shades of coatings in RGB model on thickness, properties of the substrate surface, modes and technological features of coating formation and its subsequent processing is shown. It is shown that the process of local deposition of metal coatings by means of stylogalvanics in comparison with galvanic deposition of coatings in baths is more multifactorial, significantly depends on operator’s qualification, quality of initial surface preparation, subsequent processing operations of the formed coatings. Thicknesses of the coatings formed as a result of stylogalvanics are much less than in the traditional process in baths, which leads to a significant influence of the substrate colour on the colour of the formed coatings.
- Keywords: design of jewellery and art articles, local coloured electroplating coatings, local gilding and rhodium-plating, stylogalvanics, jewellery artwork product, underlay, RGB model
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