Search Results - "Hembara, O.V"

Mathematical Modeling of the Influence of Hydrogen on the Corrosion Activity of Metal Structures by Song, W.-G., Hembara, O. V., Sapuzhak, Ya. I.

“…On the basis of the well-known theoretical concepts and some experimentally substantiated hypotheses, we propose a mathematical model aimed at description of…”
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Effect of hydrogenation of the walls of oil-and-gas pipelines on their soil corrosion and service life by Hembara, O. V., Andreikiv, O. E.

“…On the basis of the well-known theoretical concepts and some experimentally substantiated hypotheses, we propose a physicochemical model and establish…”
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Influence of the Stress-Strain State on the Distribution of Hydrogen Concentration in the Process Zone by Panasyuk, V. V., Ivanyts’kyi, Ya. L., Hembara, О. V., Boiko, V. M.

“…We propose a theoretical-experimental approach to the determination of the concentration of hydrogen in the process zone. The plots of the dependences of the…”
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Evaluation of the residual lifetime of a section of a main gas pipeline after long-term operation by Andreikiv, O. E., Hembara, O. V., Tsyrul’nyk, O. T., Nyrkova, L. I.

“…The soil environment of an emergency section of a main gas pipeline is characterized as “near-neutral” (pH < 8) with middle or, in some cases, even high (more…”
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Analysis of the Kinetics of Hydrogen Redistribution in Bimetallic Joints by Boiko, V. M., Hembara, О. V.

“…We propose an algorithm for the solution of the problem of heat conduction and hydrogen diffusion with variable coefficients of diffusion and solubility for…”
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Influence of Soil Corrosion and Transported Products on the Service Life of Welded Joints of Oil and Gas Pipelines by Andreikiv, O.E, Hembara, O.V

“…We develop methods for the evaluation of the service life of welded joints of the pipes of oil and gas pipelines taking into account the action of the main…”
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Determination of the characteristics of crack resistance for unidirectional glass-reinforced plastics by Hvozdyuk, M. M., Hembara, O. V., Boleichuk, V. M.

“…We determine the characteristics of crack resistance of thin-sheet composite orthotropic polymeric materials by using the fields of displacements and strains…”
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Evaluation of the concentration of hydrogen in the process zone near the crack tip by Ivanyts’kyi, Ya. L., Hembara, O. V., Smiyan, O. D., Kowalik, M.

“…We construct, in the closed form, an analytic solution of the problem of diffusion of hydrogen in the process zone near the crack tip operating in contact with…”
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Prediction of the kinetics of crack propagation and the residual durability of vessels in gaseous hydrogen by Hembara, O. V., Ivas’kevych, L. M., Mochul’s’kyi, V. M., Chepil’, O. Ya

“…We propose an experimental–theoretic approach to the prediction of the kinetics of crack propagation and determination of the residual durability of vessels in…”
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Determination of the fracture energy of a composite by the method of digital speckle correlation by Ivanyts’kyi, Ya. L., Muravs’kyi, L. I., Hembara, O. V., Hvozdyuk, M. M., Polovynko, T. I.

“…We have developed a computational-and-experimental procedure for evaluating the fracture energy of composite materials, which lies in the determination of…”
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