Search Results - "Fedirko, V M"

Corrosion resistance of Ti–6Al–4V alloy with nitride coatings in Ringer’s solution by Pohrelyuk, I.M., Fedirko, V.M., Tkachuk, O.V., Proskurnyak, R.V.

“…► Nitride coatings were formed on Ti–6Al–4V alloy by thermodiffusion saturation. ► Nitrides improve corrosion resistance of alloy in Ringer’s solution at 36…”
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Influence of Heating Modes on Heat-Resistance of Zr and Zr–1% Nb Alloy by Trush, V. S., Pohrelyuk, I. M., Luk’yanenko, O. G., Kravchyshyn, T. M., Fedirko, V. M.

“…Differences in the oxidation kinetics of zirconium and Zr–1% Nb alloy during heating in air depending on the heating rate, temperature and exposure time are…”
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Kinetic Characteristics of Nitriding of Zr–1% Nb Alloy by Trush, V. S., Pohrelyuk, I. M., Kravchyshyn, T. M., Luk’yanenko, A. G., Stoev, P. I., Fedirko, V. M., Kovalchuk, I. V.

“…We study the kinetic characteristics of nitriding of thin-sheet (~ 1 mm) samples of Zr–1% Nb alloy treated in a nitrogen atmosphere ( ) in broad temperature (…”
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Influence of Thermochemical Treatment on the Oxidation of Fuel Cladding Tubes Made of Zr – 1% Nb Alloy by Voyevodin, V. M., Fedirko, V. M., Trush, V. S., Luk’yanenko, O. H., Stoev, P. I., Panov, V. A., Tykhonovsky, M. А.

“…We study the influence of the conditions of thermochemical treatment (TCT) of annular specimens cut out from a fuel cladding tube made of Zr–1% Nb alloy on…”
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Influence of the Range of Particle Sizes of the Powder Component of Saturating Medium on the Carbooxidation of Titanium Alloys by Pohrelyuk, I. M., Fedirko, V. M., Proskurnyak, R. V.

“…We present the results of carbooxidation of VT1-0 and OT4 titanium alloys performed with the use of a powder carbon component of saturating medium with solid…”
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Regularities of Thermal Diffusion Saturation with Nitrogen Combined with Standard Heat Treatment of VT22 Titanium Alloy by Pohrelyuk, I. M., Fedirko, V. M., Lavrys’, S. M., Kravchyshyn, T. M.

“…We establish the regularities of the thermal diffusion saturation of VT22 two-phase titanium alloy with nitrogen combined with standard heat treatment. The…”
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Formation of oxynitrides on titanium alloys by gas diffusion treatment by Yaskiv, O.I., Pohrelyuk, I.M., Fedirko, V.M., Lee, Dong Bok, Tkachuk, O.V.

“…The regularities formation of oxynitride layers on titanium with diffusion treatment has been investigated. Commercially pure titanium, α-,…”
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Optimization of the Medium of Thermal Treatment of GFE-1 Hafnium Alloy by Trush, V. S., Fedirko, V. M., Luk’yanenko, O. H., Kovtun, K. V.

“…We optimize the conditions of thermochemical treatment of the plates (~ 1 mm) made of GFE-1 hafnium alloy after plastic deformation from the viewpoint of the…”
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Influence of Diffusive Oxidation on the Long-Term Strength of Ferritic Steels in Lead Melts by Yas’kiv, O. I., Fedirko, V. M., Kukhar, I. S., Mel’nyk, Kh. R.

“…We study the regularities of oxide formation on steel of the SUH409L ferritic class (Fe–11Cr) in the case of diffusive oxidation (at temperatures of 600–800°C,…”
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Influence of Phase-Structural State on Corrosion Behavior of Chromium Steels in Static Liquid Lead under Loads by Fedirko, V. M., Kukhar, I. S., Pohrelyuk, I. M., Melnyk, Kh. R.

“…The corrosion behavior of ferritic (Fe-11Cr) and austenitic (Fe-18Cr) steels has been investigated in static liquid lead containing 5 × 10 –7 wt.% oxygen at…”
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Kinetics of Gas Carburizing of Zr–1%Nb Alloy by Trush, V. S., Pohrelyuk, I. M., Lyk’yanenko, A. G., Kravchyshyn, T. M., Fedirko, V. M., Korendii, V. M., Kovalchuk, I. V.

“…The kinetic characteristics of thin-sheet (approx. 1 mm) Zr–1%Nb alloy samples after treatment in a carbon-containing gas medium ( P Ar + C 3 H 8 = 0.106 Pa)…”
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Effect of preliminary ball burnishing on wear resistance of the nitrided VT22 alloy by Pohrelyuk, I. M., Fedirko, V. M., Lavrys, S. M.

“…The effect of combined treatment on the tribotechnical properties of VT22 titanium alloy has been investigated. The combined treatment consisted of previous…”
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Gas Nitriding of the Near-Beta-Titanium Alloy by Luk’yanenko, A G, Pohrelyuk, I M, Fedirko, V M, Molyar, A G, Trush, V S, Kravchyshyn, T M

“…The present research investigates the nitriding kinetics of the near-beta-titanium alloy of Ti-Al-Nb-Fe-Zr-Mo-V system at 750, 800, and 850°C in gaseous…”
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Influence of parameters of modifying oxygen-containing atmosphere on oxynitriding of titanium alloys by Pohrelyuk, I. M., Fedirko, V. M., Yas’kiv, O. I., Lee, Dong-Bok, Tkachuk, O. V.

“…We study the influence of the parameters of modifying oxygen-containing atmosphere (the degree of rarefaction, temperature and time of modification) on the…”
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Effect of preliminary diffusion oxidation on mechanical properties of ferritic steel in oxygen-containing lead by Yaskiv, O.I., Kukhar, I.S., Fedirko, V.M.

“…•We investigated the influence of pre-oxidation on mechanical properties of ferritic steel (Fe-11Cr) in oxygen containing lead melt (10–6–5×10–8wt.%) at…”
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Mechanical and fatigue properties of martensitic Fe-13Cr steel in contact with lead and lead-bismuth melts by Yaskiv, O.I., Fedirko, V.M.

“…•We investigated the influence of Pb and Pb-Bi melts on mechanical properties of Fe-13Cr steel at high temperatures.•We revealed the temperature interval of…”
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Effect of Thermochemical Treatment in Regulated Gas Media on the Thermal Resistance of Zr1%Nb Alloy by Fedirko, V. M., Luk’yanenko, O. H., Trush, V. S., Stoev, P. I., Tykhonovs’kyi, M. A.

“…We perform experimental investigation of the oxidation of Zr1%Nb zirconium alloy after preliminary thermochemical treatment of ring specimens made of the pipe…”
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Influence of the Diffusion Saturation with Oxygen on the Durability and Long-Term Static Strength of Titanium Alloys by Fedirko, V. M., Luk’yanenko, O. H., Trush, V. S.

“…We study the influence of gradient hardening of the surface layer of the metal with an interstitial impurity (oxygen) on the durability of VT1-0, VT5, PT-7M,…”
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Effect of Lead and Lead–Bismuth Eutectic Melts on the Fatigue Life of Steels of the Martensitic and Austenitic Classes by Yas’kiv, O. I., Fedirko, V. M., Kukhar, I. S.

“…We study the effect of lead and lead–bismuth eutectic melts on the fatigue properties of martensitic Fe–13Cr and austenitic Fe–18Cr–10Ni steels within the…”
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Corrosion Resistance of Titanium Alloys with Oxynitride Coatings in Concentrated Inorganic Acids by Pohrelyuk, I. M., Fedirko, V. M., Tkachuk, O. V., Proskurnyak, R. V.

“…We study the corrosion behavior of VT1-0, VT6s, and VT14 titanium alloys after thermodiffusion oxynitriding in 20 and 30% aqueous solutions of hydrochloric…”
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