electrodeposited coatings
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2021 ◽  
pp. 134-143
Author(s):  
I. M. Kovenskiy ◽  
E. V. Koreshkova ◽  
A. A. Kulemina ◽  
L. Z. Chaugarova

The article considered electrodeposited coatings made of iron- and nickel-based alloys doped with molybdenum. The studies carried out by optical and electron microscopy, X-ray structural analysis, as well as the determination of hardness and corrosion rate of the coatings under study allowed us to determine the laws of the influence of the structure on the properties of electrodeposited alloys immediately after obtaining, as well as after thermal treatment. Corrosion tests carried out both in the media of produced water of oil fields of Western and Eastern Siberia and in standard media allowed to determine the conditions for obtaining and thermal treatment of coatings, in which the effectiveness of protection with coatings is at maximum. Due to comparison with standard media, the influence of not only the pH of the medium but also the degree of its mineralization has been established. This article may be of interest to researchers studying the structure and properties of electrodeposited coatings, as well as to specialists in the field of corrosion protection and technologists of galvanic production.


2021 ◽  
Vol 27 (S1) ◽  
pp. 160-162
Author(s):  
Sahibzada Roohan Lala ◽  
Kompella Jyotheender ◽  
Abhay Gupta ◽  
Sweety Arora ◽  
Punith Kumar MK ◽  
...  

2021 ◽  
Vol 2021 (6) ◽  
pp. 779-783
Author(s):  
T. I. Bal’kova ◽  
A. I. Prokhorova

Coatings ◽  
2020 ◽  
Vol 10 (8) ◽  
pp. 782
Author(s):  
Andrzej Zielinski ◽  
Michal Bartmanski

Coatings deposited under an electric field are applied for the surface modification of biomaterials. This review is aimed to characterize the state-of-art in this area with an emphasis on the advantages and disadvantages of used methods, process determinants, and properties of coatings. Over 170 articles, published mainly during the last ten years, were chosen, and reviewed as the most representative. The most recent developments of metallic, ceramic, polymer, and composite electrodeposited coatings are described focusing on their microstructure and properties. The direct cathodic electrodeposition, pulse cathodic deposition, electrophoretic deposition, plasma electrochemical oxidation in electrolytes rich in phosphates and calcium ions, electro-spark, and electro-discharge methods are characterized. The effects of electrolyte composition, potential and current, pH, and temperature are discussed. The review demonstrates that the most popular are direct and pulse cathodic electrodeposition and electrophoretic deposition. The research is mainly aimed to introduce new coatings rather than to investigate the effects of process parameters on the properties of deposits. So far tests aim to enhance bioactivity, mechanical strength and adhesion, antibacterial efficiency, and to a lesser extent the corrosion resistance.


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