Search Results - "Dolins’ka, I. Ya"

Evaluation of the Residual Service Life of a Disk of the Rotor of Steam Turbine with Regard for the Number of Shutdowns of the Equipment by Dolins’ka, I. Ya

“…A method for the evaluation of the residual service life of a disk of steam turbine is proposed with regard for the startups and shutdowns in the process of…”
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Evaluation of the Durability of the Fiber-Reinforced Concrete Beam Under Long-Term Pure Bending and Local Creep by Andreikiv, O. E., Dolins’ka, I. Ya, Raiter, O. K.

“…Based on the energy approach formulated earlier by the authors, the calculation model for determining the durability of a fiber-reinforced concrete beam under…”
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Methods for the Evaluation of Strength and Durability of Fiber-Reinforced Concretes (A Survey) by Andreikiv, О. E., Skal’s’kyi, V. R., Dolins’ka, I. Ya, Raiter, O. К.

“…The proposed survey is devoted to the analysis and synthesis of the results of investigations of the deformation and fracture of fiber-reinforced concretes. We…”
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Evaluation of the Residual Service Life of Main Pipelines with Regard for the Action of Media and Degradation of Materials by Andreikiv, O. Ye, Dolins’ka, I. Ya, Shtoiko, I. P., Raiter, O. K., Matviiv, Yu. Ya

“…We proposed new procedures for the evaluation of the residual service life of main pipelines with surface cracks under the action of a long-term constant gas…”
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Acoustic-Emission Diagnostics of Corrosion Defects in Materials (a Survey). Part. 2. Corrosion Cracking of Metals. Applied Aspects of Application of the Method by Skal’s’kyi, V. R., Nazarchuk, Z. Т., Dolins’ka, I. Ya, Yarema, R. Ya, Selivonchyk, T. V.

“…We analyze the results of investigations of the acoustic-emission diagnostics of corrosion defects in materials and establish the relationship between the…”
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Computational Model of the Propagation of Stress-Corrosion Cracks at High Temperatures by Andreikiv, О. E., Dolins’ka, І. Ya, Lysyk, А. R., Sas, N. B.

“…We propose a mathematical model for the investigation of the fracture of thin-walled structural elements with cracks under the action of long-term static loads…”
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Determination of the Residual Life of Two-Layer Plates with Systems of Cracks Under Long-Term Static Loading at High Temperatures by Andreikiv, O. E., Dolins’ka, I. Ya, Lysyk, A. R.

“…We develop computational models aimed at the determination of the residual service life of two-layer plates with systems of cracks under long-term static loads…”
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Influence of Hydrogen on the Residual Service Life of a Gas Pipeline in the Maneuvering Mode of Operation by Andreikiv, O. E., Dolins’ka, I. Ya, Kukhar, V. Z., Shtoiko, I. P.

“…We propose a computational model aimed at finding the service life of a gas pipeline containing a surface corrosion crack under the action of long-term…”
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Acoustic-Emission Diagnostics of the Fatigue Fracture of Aluminum Alloys of the Al–Zn–Mg–Cu System by Skal’s’kyi, V. R., Dolins’ka, I. Ya, Rudak, M. O., Opanasovych, V. K.

“…We describe the procedure of diagnostics of the initiation and stable propagation of fatigue fracture in alloy of the Al–Zn–Mg–Cu system based on the specific…”
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Mathematical Modeling of Growth of Stress-Corrosion Cracks in an Oil Pipeline with Regard for Hydroshocks and In-Service Changes in the Characteristics of its Material by Andreykiv, O. Ye, Dolinska, I. Ya

“…We propose a mathematical model for the determination of the period of subcritical crack growth in an oil pipeline operating under the action of constant…”
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Determination of the residual service life of wheels of steam turbines under variable loads by Dolinska, I. Ya

“…On the basis of a computational model of propagation of creep fatigue cracks in thin-walled structural elements proposed earlier, we formulate a new…”
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Determination of the Period of Subcritical Growth of Creep Cracks According to the Parameters of Acoustic Emission by Andreikiv, O. E., Skal’s’kyi, V. R., Dolins’ka, I. Ya, Matviiv, Yu. Ya

“…We determine the period of subcritical growth of low-temperature creep cracks according to the parameters of acoustic-emission signals and develop a method for…”
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Growth of creep cracks in structural elements under long-term loading by Andreikiv, O. E., Dolins’ka, I. Ya, Yavors’ka, N. V.

“…We propose a computational model for the investigation of the process of growth of high-temperature creep cracks under long-term tensile static loads (dynamic…”
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Estimation of the periods of initiation and propagation of creep-fatigue cracks in thin-walled structural elements by Andreikiv, O. E., Dolins’ka, I. Ya, Yavors’ka, N. V.

“…A computational model is proposed for the determination of the service life of structural elements with concentrators under the conditions fatigue and…”
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Influence of Hydrogen on the Initiation of Creep-Fatigue Cracks in Plates Near Stress Concentrators by Andreikiv, O. E., Dolins’ka, I. Ya, Dobrovol’s’ka, L. N., Yavors’ka, N. V.

“…We formulate a mathematical model for the determination of the effect of hydrogen on the period of initiation of creep-fatigue macrocrack in the vicinity of a…”
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Determination of the Residual Life of a Plate with a System of Cracks Under the Action of Long-Term Static Load and Corrosive Environment by Andreikiv, O. Ye, Dolinska, I. Ya, Zviahin, N. S., Liubchak, M. O.

“…Using the energy approach, a calculation model was built to determine the period of subcritical growth of a system of cracks in metal plates, subjected to…”
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The Influence of Operational Degradation of Material on the Residual Life of Oil Pipelines by Andreikiv, O. Ye, Dolinska, I. Ya, Liubchak, M. O., Nastasiak, S. V.

“…Based on the energy approach previously developed by the authors, the problem of determining the residual life of an oil pipeline pipe with a surface…”
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Acoustic-Emission Method of Determining Residual Life of Thin-Walled Structural Elements Under the Action of Force Loads and Corrosive Environments by Andreikiv, O. Ye, Dolinska, I. Ya, Zviahin, N. S.

“…An acoustic-emission model of local fracture (crack propagation) of the material is constructed. Based on this, a method of determining the residual life of…”
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Acoustic-Emission Method for Determining Residual Life of Power Equipment with Creep Cracks Under Static Load by Andreikiv, O. Ye, Dolinska, I. Ya, Zviahin, N. S., Liubchak, M. O.

“…An acoustic-emission method for determining the residual life of power equipment with hightemperature creep cracks under long-term static tensile load has been…”
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Evaluation of the Residual Life Time of the Ethylene Production Rectification Column Under Wind Load and Atmospheric Corrosion by Andreikiv, O. Ye, Dolinska, I. Ya, Zviahin, N. S., Bobryk, K. R.

“…Using the energy approach formulated earlier by the authors, a mathematical model was constructed, which in turn is the basis of the calculation method for…”
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