Mark Kovalev
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Binder Jetting Additive Manufacturing of Inconel 718/TiC Metal Matrix Composites: Influence of TiC Content on Processing, Microstructure, Mechanical and Tribological Properties Open
This paper investigated the influence of titanium carbide (TiC) content on the processing, microstructure, mechanical and tribological properties of Inconel 718/TiC composites produced by binder jetting additive manufacturing. It was found…
Structure and Wear Resistance of Composite TiC-NiMo Coating Produced by L-DED on Ti-6Al-4V Substrate Open
Fabrication of W- and Co-free wear-resistant cermets is a vital task in modern machinery due to the toxicity of Co-based products and poor availability of Co and W containing raw materials. In this paper, a TiC-NiMo coating produced by las…
Synthesis and properties of high-entropy CoCrFeNiMnWx alloys Open
Compact samples and coatings from CoCrFeNiMnWx high entropy alloys (HEAs) powders synthesized by mechanical alloying followed by plasma spheroidization (PS) were obtained by directed energy dssssseposition (DED). The microstructure of CoCr…
Evaluation of Protective Properties of Lacquer Coatings on Copper Products Operating in a Low Aggressive Corrosive Environment Open
Lacquered copper membranes are sometimes used in operate equipment containing low aggressive corrosive water-based fluids. In some cases, the lacquer coating does not prevent the occurrence of corrosive processes leading to through damage …
Estimation of the Possibility of Application of Polymer-Composite Materials in Oil Field Equipment under Abrasive Action Open
Currently, composites with a polymer matrix are most widely used in various industries, including the oil and gas sector, as an alternative to traditional metal materials. The most widespread of non-metallic pipes in the Russian Federation…
Study of the effect of test parameters on the assessment of steel resistance to carbon dioxide corrosion Open
Carbon dioxide (CO 2 ) corrosion is one of the most dangerous types of destruction of metal products in the oil and gas industry. The field steel pipelines and tubing run the highest risk. Laboratory tests are carried out to assess the res…
Investigation of Factors Influencing the Autoclave Tests Results of Internal Anticorrosive Polymer Coatings Open
Polymer coatings are one of the most common methods for protecting metal structures from corrosion damage. For example, in the oil and gas industry, polymer coatings are used to protect the inner surfaces of oilfield pipelines. Forecasting…
Investigation of factors influencing on the autoclave tests results of internal anticorrosive polymer coatings Open
In the oil and gas industry the majority of equipment failure incidents are caused by corrosion. One of the effective methods for corrosion protection is usage of different coatings systems. The article presents the results of polymer powd…
Evaluation of Corrosion Resistance of Nickel-based Alloy EP718 for use in Hydrogen Sulphide Containing Environment Open
Nickel-based alloys cover a wide range of oil and gas applications. Alloy EP718 is used as an analogue of alloy 718. The corrosion resistance of EP718 has been determined in severe environmental conditions of NACE level VI over 3 months (1…
Composite tube damage evaluation in aggressive oil-gas field Open
The purpose of this article is to lead a research program to assess the damaging of liners of a composite tube for operation in oil-gas fields containing carbon dioxide, including those with minor amounts of hydrogen sulfide at standard co…
Investigation of hydroabrasive resistance of internal anti-corrosion coatings used in the oil and gas industry Open
Anti-corrosion coatings are commonly used in the oil and gas industry to protect the inner surface of pipelines. Most of coatings have a polymer base and can effectively prevent the negative impact of the transported fluid. Existing standa…
Environmental effect on corrosion behavior of 9MnSi5 steel pipelines Open
The increase in the corrosiveness of the produced fluid forces to reconsider the attitude towards the assessment of the serviceability and reliability of oil pipes, paying attention to the problems of increasing their corrosion resistance.…
Optimization of the design of the plasma torch for using gas fluxes Open
The paper presents the results of plasma torch development and gas fluxes using possibility in plasma welding process. As part of the work, existing plasma torches were analyzed in order to identify opportunities for their modernization. T…
Failure analysis of radial bearings used in the refining of petroleum products Open
The problem of premature failure of bearings is a common type of failure. In most cases, the destruction occurs due to violation of operating conditions. Since the destruction of bearings is a frequent occurrence, consideration of this spe…
Predicting the durability of zinc coatings based on laboratory and field tests Open
Galvanizing is one of the most common methods of corrosion protection. For the deposition of zinc coatings used such methods as gas-thermal deposition, thermal diffusion saturation in powder, hot-dip galvanizing, cladding, and galvanic pre…