Search Results - "Student, О. Z."

Fractographic Signs of Gigacycle Fatigue and Hydrogenation of Heat-Resistant Steels after Long-Term Operation by Smiyan, О. D., Student, О. Z.

“…We study the structure and distribution of hydrogen in 16GNM steel after its long-term (∼28 ⋅ 10 4  h) operation in the body of a drum-boiler after a large…”
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Signs of In-Service Corrosion-Fatigue Damage to Stainless Steel of Heat-Exchanger Plates by Zvirko, О. І., Student, О. Z., Andreiko, І. М., Kurylas, М. S., Palash, R. V.

“…We consider the case of in-service development of through defects in thin plates of heat exchangers separating the working and cooling media, which affects…”
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Restoration of the Properties of Heat-Resistant Steel after Long-Term Operation in a Steam Turbine by Student, О. Z., Krechkovska, H. V., Svirska, L. М., Solovei, P. R.

“…We analyze the specific features of fracture, structure, and mechanical properties of 25Kh2М1F heat-resistant steel after 21·10 4 h of operation under severe…”
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Role of Nonmetallic Inclusions in Premature Stress-Corrosion Fractures of Drill Pipes by Kryzhanivskyi, E. І., Nykyforchyn, H. М., Student, О. Z., Krechkovska, H. V., Chudyk, І. І.

“…We analyze the causes of the in-service loss of integrity of drill pipes made of G105 steel connected with their premature stress-corrosion fractures. In this…”
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Fractographic Criterion of Attainment of the Critical Technical State by Carbon Steels by Student, О. Z., Krechkovs’ka, H. V., Nykyforchyn, H. М., Kurnat, І. М.

“…We propose a microfractographic method for the evaluation of the technical state of rolled carbon steels after long-term operation based on the construction of…”
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Influence of the Degradation of 17G1S Steel on its Properties After Operation in the Gas Main by Kharchenko, E. V., Student, О. Z., Chumalo, H. V.

“…We compare the mechanical and corrosions characteristics of 17G1S steel in the intact state and after its operation for 40 yr in a gas main. The low…”
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Influence of the Long-Term Operation of 12Kh1МF Steel of the Bends of Main Steam Pipelines of Thermal Power Plants on Its Mechanical Properties by Student, О. Z., Krechkovs’ka, H. V., Palashchuk, T. E., Hladkyi, Ya. М.

“…We investigate 12Kh1MF steel of two bends of the main steam pipelines of thermal power plants. It is shown that they are damaged by the mechanism of…”
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Anisotropy of the Mechanical Properties of Degraded 15Kh1М1F Steel After Its Operation in Steam Pipelines of Thermal Power Plants by Student, О. Z., Krechkovs’ka, H. V.

“…We have investigated the mechanical properties of 15Kh1M1F heat-resistant steel after long-term operation in steam pipelines of steam power plants. The…”
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Specific Features of the Growth of Fatigue Cracks in 36G2S Steel of Drill Pipes After the Recovery Heat Treatment by Kryzhanivs'kyi, E I, Hoisan, I M, Student, O Z

“…We study the influence of repeated normalization of operating 36G2S steel of drill pipes on their structure, fatigue-cracks growth, and fractographic features…”
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Brittle-Fracture Resistance of the Metal of Hyperboloid Gridshell Shukhov Tower by Krechkovs’ka, H. V., Student, О. Z., Kutnyi, А. І., Nykyforchyn, H. М., Sydor, P. Ya

“…We determine the impact toughness and study the fractographic characteristics of the fracture surfaces of the old and repair steels (produced in 1906 and 1944,…”
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