Open Access Conference Proceedings

Abstract: The present work aims to investigate the characteristics of high temperature vacuum brazed WC-Co-NiCrBSi coatings deposited on 16MnCr5 steel substrate. The coatings characteristics like morphology, microstructure, chemical composition and the appearance of the interface with the substrate have been analyzed by means of Scanning Electron Microscopy (SEM) combined with energy-dispersive X-ray spectroscopy. [..] Read more

Abstract: The purpose of the work was to assess the influence of the vibro-abrasive treatment on the quality of the zinc coating. The use of vibro-abrasive finishing in the production process of fittings for overhead power line is designed to improve the aesthetics of the coating by eliminating zinc beads and burrs, as well as shorten the time of detecting the details on the production. [..] Read more

Abstract: Stainless steels are considered to be a perspective candidate as a bipolar plate material for the polymer electrolyte membrane fuel cells. The main reasons for using this material are properties such as low cost, high strength, electrical and heat conductivity and reasonable corrosion resistance. [..] Read more

Abstract: The paper presents research determining the effect of surface preparation on the quality of varnish coatings obtained by electrophorus. The tests were carried out on steel parts used for the construction of trailers and bodies for trucks. [..] Read more

Abstract: The electropolymerization of EDOT/PyBA/BRIJ by cyclic voltammetry on stainless steel and glassy carbon was studied in aqueous solution. The protective properties of the resulting coatings on stainless steel were investigated in the aggressive medium of 0.25 mol dm-3 K2SO4 + 0.5 mol dm-3 KCl with pH = 2. [..] Read more

Abstract: Aluminum alloy 5754 (AlMg3) has a high welding and strength properties and also a good resistance to atmospheric and marine corrosion. The alloy is used in many industries such as automotive, railway, marine building, electricity, chemistry and forging. [..] Read more

Abstract: The paper describes the activity of a manufacturing plant, operating in the metal industry. The discussed business entity intends to expand its production scope by applying anti-corrosion coatings to metal components. [..] Read more

Abstract: The study deals with advantages and disadvantages of aluminum alloys application for oil and gas extraction. Aluminum alloy applications in drilling pipes, tapered and casing tubing as well as in raisers to extract hydrocarbons were widely known for a long time. [..] Read more

Abstract: Electrochemical noise analysis (ENA) was used for the evaluation of corrosion protective properties of patina rust layer formed on weathering steel S355J23W after 8 years of exposure test in Berlin atmosphere. Electrochemical parameters derived from shot noise theory were obtained and related with changes or degradation in tested rust film during 456 h exposure in SO42- and Cl- containing aqueous solution. [..] Read more

Abstract: In recent years, nano-sized cerium and silicon-containing coatings have been increasingly used as alternatives to chromate layers on galvanized steel. The present work is devoted to the development of the technology for obtaining these coatings. [..] Read more

Abstract: The processes of applying cerium and titanium, zirconium-containing coatings to 5556 aluminum alloy have been developed. It is established that the developed passivation coatings applied on aluminum alloy parts for corrosion resistance and protective ability are comparable with chromate coatings. [..] Read more

Abstract: The work is devoted to the study of the process of passivation of zinc and its alloys in ecologically safe molybdate-containing solutions in order to replace highly toxic solutions of black chromate passivation.The concentration range of the solution components was determined, in which black coatings are deposited, corresponding to a point of 10 on a ten-point color scale. It was found that the optimal pH values of the solution are in the range from 4.8 to 5.2 units. [..] Read more

Abstract: At present, the research in the field of energy and resource-saving phosphating technologies is being continued, including the processes of applying adhesive and anticorrosive phosphate layers. The phosphating used in the industry is energy-intensive due to the high operating temperatures of the processes, which is necessary to obtain high-quality coatings in a technologically acceptable time. [..] Read more

Abstract: The paper focuses on the evaluation of the ability of selected heat sprayed coatings to protect the surface of the component in an environment simulating the environment of a geothermal turbine. The subject of testing were coatings based on hardmetals, applied by HVOF technology (WC-CoCr, Cr3C2-NiCr) and Fe and Ni based alloys, applied by HVOF (NiCr, FeCrAlY) and TWAS (FeCrAlNiC, FeCr, NiCr) technologies. [..] Read more

Abstract: The corrosion coupons of 800H alloy with TIG weld filled with Nicrofer were exposed to impure helium in the High-Temperature Furnace (HTF) at 760 °C for 372, 1000 and 1500 hours. Impurities CH4, CO, H2 and H2O were chosen to simulate conditions in a High-Temperature Gas Reactor system (HTGR). [..] Read more

Abstract: Austenitic steel 316L with applied coating was studied to find a suitable material for impeller of main circulation pump at working conditions of small modular lead fast reactor. The chemical compatibility of the materials to the liquid metal environment was evaluated in liquid lead environment containing oxygen to ensure the oxidation while simulating temperature cycling. [..] Read more

Abstract: Plasma electrolytic oxidation (PEO) technique is a process of surface treatment of light metallic materials such as magnesium alloy, to produce coatings increasing the corrosion resistance. In this work, the effect of direct or alternating current deposition mode on the structure and corrosion behavior of PEO coatings on Mg substrates prepared by powder metallurgy (PM) was studied. [..] Read more

Abstract: This paper presents the results of a failure analysis of a suspension spring from a passenger vehicle, with a focus on the impact of long-term operation under real road conditions. The investigated spring, originating from a 2008 Peugeot vehicle, failed after 14 years of service and approximately 225,000 km of mileage. [..] Read more

Abstract: In the design and analysis of shell and tube heat exchangers, choosing the appropriate material is essential. Materials are chosen based on several factors, such as excellent thermal conductivity, strong corrosion resistance, and robust structural integrity. [..] Read more

Abstract: Plasma electrolytic oxidation (PEO) has emerged as a promising surface modification technique to enhance corrosion resistance of magnesium alloys. This study investigates the influence of different surface pretreatments: polishing, grinding, and shot-peening, on the formation and performance of PEO coatings on pure magnesium and WE43 (Mg-4Y-3RE) alloy. [..] Read more