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Wyszukujesz frazę "organic coatings" wg kryterium: Temat


Wyświetlanie 1-6 z 6
Tytuł:
Research on Organic Coatings Designed for Underwater Applications
Autorzy:
Orlikowski, J.
Jażdżewska, A.
Jurak, K.
Powiązania:
https://bibliotekanauki.pl/articles/353754.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
organic coatings
underwater application
offshore
Opis:
Underwater steel structures require periodic maintenance. In the case of vessels, anti-corrosion works are carried out in the shipyard, where very good conditions for applying organic protective coatings can be provided. Very good surface preparation can be obtained by the use of abrasive blasting. The well-prepared metal surface is free from impurities (particularly inorganic salts). Suitable conditions for the application and renovation of coatings are also ensured (creating appropriate climatic conditions, drying the air, setting the appropriate air temperature). However, there are underwater constructions that cannot be transferred above the water level and, therefore, their conservation against corrosion can take place only under the surface of the water, which significantly hinders the execution of renovation works. In this work, protective coatings for underwater application were tested. The application of coatings on selected steel surfaces over and under the water was carried out. Physico-mechanical and electrochemical tests were carried out in order to assess the quality of the obtained corrosion protection. The possible difficulties faced when applying coatings in marine conditions were discussed.
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 1; 169-174
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Properties of organic coatings containing pigments with surface modified with a layer of ZnFe2O4
Autorzy:
Nechvílová, K
Kalendová, A
Powiązania:
https://bibliotekanauki.pl/articles/102579.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
zinc ferrite
silicates
surface protection
organic coatings
Opis:
This work is focussed on the properties of organic coatings containing pigments whose surface was chemically coated with zinc ferrite (ZnFe2O4) layer. Four silicate types with different particle shapes were selected as the cores: diatomite, talc, kaolin and wollastonite. The untreated particles exhibit a barrier effect. The aim of this project was to apply the surface treatment approach with a view to enhancing not only the model paint films’ anticorrosion properties but also their resistance to physico- mechanical tests pursuant to ISO standards (cupping, bending, impact, adhesion). Other parameters examined included: particle size and morphology, density of the modified pigment, oil consumption, pH, conductivity, and electrochemical properties of the paint film. A solvent-based epoxy-ester resin was used as the binder and also served as the reference material. The pigment volume concentration (PVC) was 1% and 10%. During the last stage of the experiment, the paint films were exposed to a corrosive environment stimulating seaside conditions or conditions roads treated with rock salt. The accelerated cyclic corrosion test in a neutral salt mist atmosphere was conducted for 864 hours. The results served to ascertain a suitable environment for organic coatings.
Źródło:
Advances in Science and Technology. Research Journal; 2015, 9, 28; 51-55
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluating the causes of damage to corrosion protection coatings on lightning protection masts of a 400 kV substation
Ocena przyczyn uszkodzeń powłok antykorozyjnych na słupach odgromowych stacji 400 kV
Autorzy:
Królikowska, Agnieszka
Komorowski, Leszek
Powiązania:
https://bibliotekanauki.pl/articles/41162855.pdf
Data publikacji:
2023
Wydawca:
Wydawnictwo SIGMA-NOT
Tematy:
coating-based corrosion protection
degradation of organic coatings
powłokowe zabezpieczenia antykorozyjne
degradacja powłok organicznych
Opis:
A polyvinyl anti-corrosion coating system used to protect the lightning masts installed at a 400 kV substation showed significant damage after three years of operation. Field tests (measurements of thickness, adhesion, continuity using the low-voltage method, and the appearance of the coatings was assessed using a field microscope) and laboratory tests (infrared spectroscopy, examination of the morphology and elemental composition of the coatings under a scanning microscope with an EDX attachment) were carried out on collected samples. Degradation of the organic part of the protection was observed. Local exposure of the coatings to high temperatures was likely the cause of the damage.
Poliwinylowy powłokowy system antykorozyjny zastosowany na słupach odgromowych stacji 400 kV uległ znacznemu zniszczeniu po trzech latach eksploatacji. Wykonano badania polowe (pomiary grubości, przyczepności, szczelności metodą niskonapięciową, oceniono wygląd powłok przy użyciu mikroskopu polowego) oraz badania laboratoryjne na pobranych próbkach (spektroskopię w podczerwieni, badania morfologii i składu pierwiastkowego powłok pod mikroskopem skaningowym z przystawką EDX). Stwierdzono degradację organicznej części zabezpieczeń. Przyczyną zniszczeń było prawdopodobnie miejscowe oddziaływanie na powłoki wysokiej temperatury.
Źródło:
Ochrona przed Korozją; 2023, 8; 237-242
0473-7733
2449-9501
Pojawia się w:
Ochrona przed Korozją
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Advanced patented protective nanomaterials and coatings
Autorzy:
Figovsky, O.
Beilin, D.
Leykin, A.
Powiązania:
https://bibliotekanauki.pl/articles/411557.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
chemical resistant materials
polymeric materials for coatings
hybrid nonisocyanate urethane-epoxides
nanostructured hybrid oligomer composition
rubber-based compositions
organic-mineral coatings
Opis:
Review of the advanced patents in the field of corrosion resistant coatings and composite polymer materials by company Polymate LTD.-INRC (Israel) and its employees. The review includes patents used by the industry of several countries of Europe, USA, Canada and Asia.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 10, 1; 102-109
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Various Organic Additives in Galvanic Bath on Properties of Ni-SiC Composite Coatings
Autorzy:
Nowak, M.
Mizera, J.
Kłyszewski, A.
Dobkowska, A.
Boczkal, S.
Kozik, A.
Koprowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/357020.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
organic additives
SiC
composite coatings
nickel coatings
zeta potential
Opis:
The paper presents the results of the electrodeposition of nickel composite coatings reinforced with the ceramic SiC particles. A Watts type galvanic bath modified with various organic additives was used. These additives were: 2-sulfobenzoic acid imide (LSA), dioctyl sulfosuccinate sodium salt (DSS), sodium dodecyl sulfate (SDS), tris (hydroxymethyl) aminomethane (THAM) and hexamethyldisilizane (HMDS). The nickel composite coating was electrodeposited on a 2xxx aluminum alloy series substrate (EN-AW 2017) with zinc interlayer. Studies concerned the effect of the applied organic additives on properties of composite coatings such as: microstructure, microhardness, adhesion to the substrate, corrosion resistance and roughness. The structure of the coatings was assessed by scanning electron microscopy and light microscopy. Based on the studies of zeta potential it was found that the bath modification had a significant impact on the amount of the ceramic phase embedded in metal matrix. The tests conducted in a model 0.01 M KCl solution were not fully representative of the true behavior of particles in a Watts bath.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 4; 1327-1333
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nickel Composite Coatings Reinforced Nano SiC Particles
Autorzy:
Nowak, M.
Mizera, J.
Kłyszewski, A.
Dobkowska, A.
Boczkal, S.
Kozik, A.
Koprowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/356955.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nanoparticles
organic additives
SiC
composite coatings
nickel coatings
zeta potential
Opis:
The paper presents the results of the electrodeposition of nickel composite coatings reinforced with the nano size SiC ceramic particles. The type and size of the ceramic particles or organic additives used play a important role during electrodeposition processes. A Watts type galvanic bath with various organic additives was used. These additives were: 2-sulfobenzoic acid imide, dioctyl sulfosuccinate sodium salt (DSS), sodium dodecyl sulfate, tris (hydroxymethyl) aminomethane and hexamethyldisilizane. The nickel composite coating was electrodeposited on a 2xxx aluminum alloy series substrate (EN-AW 2017) with zinc interlayer. The work concerns the determination of the impact of the change in the zeta potential of SiC nanoceramic particles used on properties of composite coatings (wear resistance, corrosion, etc.). The paper characterized the composite nickel coatings on aluminum alloy using SEM techniques, wear resistance tests by TABER method and coating adhesion to the substrate using the “scratch test” method. The corrosion resistance of coatings was also tested using electrochemical methods. The research allowed to determine the effect of SiC nanoceramic particle size on the value of the zeta potential in the model KCl solution.
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 2; 935-940
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-6 z 6

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