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Article
Modeling of electrochemical micromachining of cylindrical hole surface by eccentric cathode
Electrochemical machining (ECM) of the inner surface of cylindrical workpiece (WP) with an eccentric rotating cylinder tool-electrode (TE) is studied theoretically using a new mathematical model. The proposed ...
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Article
Project Management Models for Aviation and Space Technology Modularly Distributed Systems Based on Their Morphological and Functional Analysis
The creation of aviation and rocket and space systems and complexes based on the principles of modularly distributed systems allows simultaneous improvement of multidirectional technical and economic criteria....
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Article
Digital Management System for Modernization of Aviation Equipment
We are developed a digital management system for modernization of aviation equipment, which includes the formation of a technical proposal through neural network processing of requirements for the characterist...
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Article
Analysis of Effect of Concentration Dependence of Exchange Current on Metal Electrodeposition into Template Nanopores
The metal electrodeposition into the nanopores of template of porous anodic alumina type under the conditions of mixed kinetics of metal deposition is studied theoretically using analytical and numerical metho...
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Article
Modeling of the Metal Microstructure Formation by Local Electrodeposition onto Conducting Substrates
The formation of metal microstructures on metal substrates is theoretically analyzed by the example of local silver electrodeposition, using the numerical simulation of interrelated electrochemical and homogen...
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Article
State R & D Funding and Inflation
The impact of research and development (R & D) financed by the state on the prices of good services is analyzed in macroeconomic terms. Conceptual improvements in assessing the results of research and developm...
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Article
The Einstein Fluctuation–Dissipation Relation as Applied to the Analysis of the Electrochemical Noise Resistance
Within the framework of the Einstein fluctuation–dissipation relation, the theoretical analysis of the noise resistance is carried out for two classical electrochemical ac circuits: Ershler–Randles and Frumkin...
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Article
The Limiting Current of Metal Electrodeposition on Rotating Disk Electrode: The Role of Solution Composition and Transport Properties
The processes of mass transfer in the metal electrodeposition on a rotating disk electrode from the solution containing three sorts of ions (electroactive metal cation and indifferent electrolyte containing in...
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Article
Methods of Corrosion Testing Used for the Development and Industrial Utilization of Novel Shipbuilding Steels and Alloys. A Review. Part II. Corrosion Cracking and Marine Field Testing
The review deals with methods for stress corrosion cracking (SCC) testing based on different conditions of sample loading: at a constant static load or under straining, at a constant or under an increasing loa...
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Article
Criteria for Accelerated Estimation of Susceptibility of Pipe Steels to Corrosion Cracking Under Oilfield Conditions
Recommendations are developed for selection of criteria for estimation of the susceptibility of steels to corrosion cracking in accelerated tests. The fracture behavior of pipe steels under different loading r...
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Article
Methods of Corrosion Testing Used for the Development and Industrial Utilization of Novel Shipbuilding Steels and Alloys. Part I. Laboratory-Scale Corrosion Testing
Shipbuilding steels and alloys can be subjected to various types of corrosion damage when exposed to sea water. For reliable long–term operation of ships and marine structures, despite the use of corrosion pro...
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Article
Estimation of Corrosion Rate of STARBOND–CoS Cobalt–Chromium Alloy in the NaCl Solution
The corrosion potential Ecorr of STARBOND–CoS alloy in the 0.5 M NaCl solution was measured for 100 h. The anodic and cathodic potentiodynamic curves were measured in the same solution after a preliminary exposur...
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Article
Open AccessEstimation of Corrosion Rate of AISI 1016 Steel by the Analysis of Polarization Curves and Using the Method of Measuring Ohmic Resistance
By the example of the study of AISI 1016 steel corrosion in the HCl solution, the potentialities of various methods for determining the corrosion currents are studied. The corrosion rate of steel without polar...
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Article
Study of the Effect of Inhibitor on the Corrosion Behavior of Steel Using Chebyshev Noise Spectroscopy and Electrochemical Impedance Spectroscopy
The electrochemical noise of a system of two identical steel electrodes in the NaCl solution without and with an addition of benzotriazole (BTA) corrosion inhibitor is measured and analyzed. It is shown that t...
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Article
Effect of Complex Formation on Mass Transfer during Metal Electrodeposition on Rotating Disk Electrode
The effect of complex formation on the mass transfer during the metal electrodeposition on a rotating disk electrode from the solution containing three types of ions (metal cation, cationic complex, and non-el...
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Article
Study of Anodic Dissolution of Stainless Steel in HCl by the Method of Measuring Ohmic Resistance
The aim of the work is to show the potentialities of the method of measuring ohmic resistance for investigating the anodic dissolution of metals. It is shown that simultaneous measurement of metal dissolution ...
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Article
Electrochemical Local Maskless Micro/Nanoscale Deposition, Dissolution, and Oxidation of Metals and Semiconductors (A Review)
The review is devoted to the modern methods of local maskless electrochemical machining of metals and semiconductors with the aim of formation of individual islands or cavities, their groups, and patterns acco...
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Article
Ergodic Analysis of Three-Dimensional Chebyshev Spectrum of Electrochemical Noise
The ergodicity of electrochemical noise of corrosion process with respect to the three-dimensional Chebyshev spectrum is studied. The electrochemical noise of “two identical electrodes of steel St-3 in the NaC...
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Article
Determination of AISI 304 Steel Corrosion Rate in the HCl Solutions by the Method of Measuring Specimen Ohmic Resistance
Using the method of measuring ohmic resistance of steel AISI 304 specimens, the time dependence of steel corrosion rate in the 0.1–2 M HCl solutions is determined under the conditions of free air access. In th...
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Article
The discrete Chebyshev algorithm for nonparametric estimation of autocorrelation function of electrochemical random time series
The discrete Chebyshev algorithm for nonparametric estimation of autocorrelation function of electrochemical random time series is presented. The algorithm is resistant to a trend of electrochemical noise. The...
