S. М. Voloshko
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View article: Application of Laser Thermal Deformation Sintering in the Manufacture of Drum-Type Diamond Tools
Application of Laser Thermal Deformation Sintering in the Manufacture of Drum-Type Diamond Tools Open
An analysis of the existing methods of sintering diamond-containing composites is presented. On the basis of mathematical modeling and experimental studies, the conditions of the laser liquid-phase sintering of diamond-containing composite…
View article: Structural anisotropy in 3D-printed products using selective laser melting technology
Structural anisotropy in 3D-printed products using selective laser melting technology Open
Using the Ti-6Al-4V alloy as an example, the influence of thermal conditions in 3D-printing on the anisotropy of its microstructure, phase composition, residual macrostresses, and mechanical properties during selective laser melting (SLM) …
View article: Comparison of ultrasonic equipment for surface finishing of titanium products
Comparison of ultrasonic equipment for surface finishing of titanium products Open
This paper compares three types of ultrasonic equipment used for surface finishing Ti6Al4V alloy samples. High-frequency mechanical impact (HFMI) technique suitable for local and high-coverage treatment is compared with two self-made ultra…
View article: Thermally-induced diffusion and structural phase transitions in Pt/Mn and Pt/Mn/Pt thin films
Thermally-induced diffusion and structural phase transitions in Pt/Mn and Pt/Mn/Pt thin films Open
We demonstrate the possibility of diffusion formation of the chemically ordered L1 0 -MnPt phase through the vacuum annealing of Pt(24 nm)/Mn(20 nm) and Pt(12 nm)/Mn(20 nm)/Pt(12 nm) layered stacks at 400 °C for 30 min. For the bi-layered …
View article: Application of ultrasonic surface treatment technologies in metals and alloys additive manufacturing
Application of ultrasonic surface treatment technologies in metals and alloys additive manufacturing Open
In a modern world, additive manufacturing of metal products has reached significant volumes and variety of applied alloys. 3D-printing technologies make it possible to obtain parts with reduced mass, increased reliability, single products,…
View article: Effect of Modulation Period on the Thermally-Induced Solid-State Reactions in Ni/Ti Thin Films
Effect of Modulation Period on the Thermally-Induced Solid-State Reactions in Ni/Ti Thin Films Open
In this work, we have studied the structure evolution of Ni/Ti layered stacks with a modulation period of 30 nm and 15 nm (total thickness of the stack is of 60 nm) deposited by RF magnetron sputtering onto p-Si (001) substrate upon vacuum…
View article: Low-temperature diffusion in thin-film Pt-(Au-)-Co heterostructures: a structural and magnetic characterization
Low-temperature diffusion in thin-film Pt-(Au-)-Co heterostructures: a structural and magnetic characterization Open
Formation of functional thin films for nanoelectronics and magnetic data storage via thermally induced diffusion-driven structural phase transformations in multilayer stacks is a promising technology-relevant approach. Ferromagnetic thin f…
View article: Fatigue properties of AlSi10Mg obtained by additive manufacturing: Effect of post treatment
Fatigue properties of AlSi10Mg obtained by additive manufacturing: Effect of post treatment Open
Additive manufacturing and, in particular, 3D-printing of metals and alloys has been actively developing in recent years. More and more complex parts can be produced with the involvement of more alloys. One of the most common and universal…
View article: The effect of the argon-containing environment on the structural phase transformations in Ni/Ti layered thin films
The effect of the argon-containing environment on the structural phase transformations in Ni/Ti layered thin films Open
This study is focused on the effect of isothermal annealing in an argon atmosphere (200 Pa) in the temperature range of 200–600 °C on the evolution of diffusion-induced structural phase transformations in Ni/Ti layered thin films with diff…
View article: Effect of Graphene on Nickel Surface Relaxation: Molecular Dynamics Simulation
Effect of Graphene on Nickel Surface Relaxation: Molecular Dynamics Simulation Open
The effect of graphene (GR) on Ni surface relaxation and reconstruction in three different substrate orientations, {111}, {001}, and {011}, at two different temperatures, 300 K and 400 K, was studied using molecular dynamics simulation. Th…
View article: Effect of Graphene on Nickel Surface Relaxation: Molecular Dynamics Simulation
Effect of Graphene on Nickel Surface Relaxation: Molecular Dynamics Simulation Open
The effect of graphene (GR) on Ni surface relaxation and reconstruction in three different substrate orientations: {111}, {001}, {011}, at two different temperatures: 300K and 400K was studied using Molecular Dynamics simulation. The chang…
View article: Heat Effects in Rapidly-Quenched NANOMET Type Ribbons after Intense Plastic Deformation
Heat Effects in Rapidly-Quenched NANOMET Type Ribbons after Intense Plastic Deformation Open
УкраїнаУ роботі обґрунтовано актуальність нових шляхів модифікування структури та властивостей аморфних металевих стопів (АМС) методами інтенсивної пластичної деформації (ІПД) з метою одержання нанокристалічних матеріялів з новими фізичним…
View article: Surface modification of 3D-printed alloy Ti–6Al–4V by ultrasonic impact treatment
Surface modification of 3D-printed alloy Ti–6Al–4V by ultrasonic impact treatment Open
Досліджено механічні характеристики, фазовий склад, залишкові макроскопічні напруження та топографію поверхні стопу Ti-6Al-4V, виготовленого за різними технологіями -селективного лазерного топлення порошку (СЛТ) і традиційної гарячої прока…
View article: Effect of Layers’ Inversion on Thermally-Induced Diffusion in Thin Ni/Ti Films
Effect of Layers’ Inversion on Thermally-Induced Diffusion in Thin Ni/Ti Films Open
In this study, bilayer thin films with different layers' order, Ni/Ti/Si (100) and Ti/Ni/Si (100), are prepared by magnetron sputtering at room temperature followed by the thermal annealing in a vacuum in the temperature range from 400°C t…
View article: Surface Hardening of Ti6Al4V Alloy Using High-Frequency Mechanical Impacts
Surface Hardening of Ti6Al4V Alloy Using High-Frequency Mechanical Impacts Open
А. П. БУРМАК, С
View article: Hardness of Ti–6Al–4V (ВТ6) Alloy Samples Fabricated by 3D-Printing Based on Electron-Beam Melting of Wire
Hardness of Ti–6Al–4V (ВТ6) Alloy Samples Fabricated by 3D-Printing Based on Electron-Beam Melting of Wire Open
УкраїнаВ роботі досліджено ефект зміцнення поверхні стопу Ti-6Al-4V (ВТ6) методою ультразвукового ударного оброблення зразків, одержаних за стандартною технологією та надрукованих за адитивною технологією «xBeam 3D Metal Printing».Для визн…
View article: Thermal and Ion Treatment Effect on Nanoscale Thin Films Scratch Resistance
Thermal and Ion Treatment Effect on Nanoscale Thin Films Scratch Resistance Open
In this study, a microtribological characteristics of Ni(25 nm)/Cu(25 nm)/ Cr(25 nm) three-layer thin films fabricated using DC magnetron sputtering are explored using progressive scratch test.Four various types of thin films are examined …
View article: Surface Modification of Stainless Steel 40Х13 by Ultrasonic Impact Treatment in Various Atmospheres
Surface Modification of Stainless Steel 40Х13 by Ultrasonic Impact Treatment in Various Atmospheres Open
Досліджено зміни мікротвердости, структурно-фазового стану, ступеню деформації кристалічної ґратниці, рівня залишкових напружень стиснення та трибологічних властивостей неіржавійної криці 40Х13 (AISI 420) після ультразвукового ударного обр…
View article: Inhibition of interlayer diffusion and reduction of impurities in thin metal films by ion irradiation
Inhibition of interlayer diffusion and reduction of impurities in thin metal films by ion irradiation Open
The effect of pre-irradiation on a stack of metal multilayer thin films (MLTF) with low-energy Ar+ ions followed by thermal annealing of the stack has been studied. A three-layer Ni/Cu/V structure represented the as-fabricated MLTF samples…
View article: Effect of Ar Annealing on Diffusion and Thermal Stability of Transition Metal Thin-Film Systems
Effect of Ar Annealing on Diffusion and Thermal Stability of Transition Metal Thin-Film Systems Open
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View article: Structure Phase State and Properties of Аl–6Мg Alloy after Electric Discharge Alloying with Tungsten and Ultrasonic Finishing
Structure Phase State and Properties of Аl–6Мg Alloy after Electric Discharge Alloying with Tungsten and Ultrasonic Finishing Open
Проаналізовано ефективність модифікування поверхневих шарів алюмінійового стопу AMг6 комбінованим обробленням, що включає електроіскрове леґування (ЕІЛ) Вольфрамом та фінішне ультразвукове ударне оброблення
View article: Homogenization and short-range chemical ordering of Co–Pt alloys driven by the grain boundary migration mechanism
Homogenization and short-range chemical ordering of Co–Pt alloys driven by the grain boundary migration mechanism Open
Binary magnetic alloys like Co–Pt are relevant for applications as components of magnetic exchange coupled composites. Numerous approaches exist to tune the coercive field of Co–Pt alloys primarily relying on high-temperature processing ai…
View article: Microstructure of Co–Cr Dental Alloys Manufactured by Casting and 3D Selective Laser Melting
Microstructure of Co–Cr Dental Alloys Manufactured by Casting and 3D Selective Laser Melting Open
The review analyses the microstructure of the commercial Co–Cr–(Mo, W) dental alloys fabricated by 3D digital selective laser melting (SLM), which is the most promising technique among the emerging additive fabrication technologies used fo…
View article: Phase composition and magnetic properties of post-annealed asymmetric Pt/Fe/Pt/Au/Fe thin films
Phase composition and magnetic properties of post-annealed asymmetric Pt/Fe/Pt/Au/Fe thin films Open
Intermetallic compound formation realized via thermally-induced diffusion intermixing of layered stacks is a prospective route for the formation of thin films with properties promising for practical applications. This can be further promot…
View article: Enhancement of Mechanical and Anticorrosion Properties of Al–6Mg Alloy Surface Using Electric Discharge Alloying by Ti and High-Frequency Impact Treatment
Enhancement of Mechanical and Anticorrosion Properties of Al–6Mg Alloy Surface Using Electric Discharge Alloying by Ti and High-Frequency Impact Treatment Open
Проаналізовано мікроструктуру, зміцнення та корозійні властивості поверхневих шарів алюмінієвого стопу АМг6, модифікованих ультразвуковим ударним обробленням (УЗУО) та комбінованим обробленням, що поєднувало електроіскрове леґування (ЕІЛ) …
View article: Formation of Composite Layers by Ultrasonic Impact Treatment of Cu–39Zn–1Pb Brass Using Silicon Carbide Reinforcing Particles
Formation of Composite Layers by Ultrasonic Impact Treatment of Cu–39Zn–1Pb Brass Using Silicon Carbide Reinforcing Particles Open
Досліджено структуру, фазовий склад та механічні властивості композитних покриттів, синтезованих ультразвуковою ударною обробкою (УЗУО) поверхневих шарів двофазної латуні ЛС59-1 із додаванням армувальних частинок SiC різних фракцій (