Перегляд Відділення фізики і астрономії за темою "Металлические поверхности и плёнки"

Результати 1-20 з 122

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Analysis of Metal Corrosion under Conditions of Mechanical Impacts and Aggressive Environments

Yuzevych, V.M.; Dzhala, R.M.; Koman, B.P. (Металлофизика и новейшие технологии, 2017)

Based on standpoints of the surface physics, fracture mechanics and electrochemistry, a mathematical model of the physical and chemical processes near the crack tip of a metal under mechanical loads in aqueous electrolyte ...
Characterisation of Mo–V–N Coatings Deposited on XC100 Substrate by Sputtering Cathodic Magnetron

Chermime, Brahim; Abboudi, Abdelaziz; Djebaili, Hamid; Brioua, Mourad (Металлофизика и новейшие технологии, 2017)

The aim of this work is the characterization of ternary molybdenum–vana¬dium nitride (Mo–V–N) coatings deposited on silicon and XC100 steel substrates by the reactive radiofrequency dual magnetron sputtering with different ...
Effect of MoZrN Coating on a Steel XC100

Abboudi, A.; Meddour, B.; Chermime, B.; Djebaili, H.; Brioua, M. (Металлофизика и новейшие технологии, 2016)

The zirconium nitride ZrN coatings are deposited on substrates of XC100 steel using physical vapour deposition (PVD) technique. Coatings based on nitrides of transition metals (Nb, Zr, Ti, V, ...) developed by PVD are known ...
Experimental Investigation of B₄C Particulate Reinforced Aluminium 6061 Based Composite Material in Wire-Cut EDM

Karabulut, Ş.; Gökmen, U.; Karakoç, H.; Kalkan, Ö.K.; Çitak, R. (Металлофизика и новейшие технологии, 2015)

In the present paper, the influences of cutting parameters on surface roughness in wire electric-discharge machining of (WEDM) process of particle-reinforced aluminium AA6061 alloy composite are investigated. The composites ...
Formation of Aluminium Surface Layers’ Structure during Laser Alloying with Copper and Cobalt Powders

Girzhon, V.V.; Kovalyova, V.M.; Smolyakov, O.V. (Металлофизика и новейшие технологии, 2013)

Possibility of quasi-crystal decagonal phase formation in the surface layers of aluminium during laser alloying is demonstrated. Alloying is carried out by mixture of copper and cobalt powders with atomic ratio 1:1. The ...
Formation of Nanostructured Relief of TiN—Fe Heterostructures in Hybrid Helicon-Arc Plasma Reactor

Rudenko, E.M.; Korotash, I.V.; Polotskiy, D.Y.; Osipov, L.S.; Dyakin, M.V.; Prikhna, T.A.; Shapovalov, A.P. (Металлофизика и новейшие технологии, 2015)

The features of the physical mechanisms of controlled ion-plasma formation of the new functional nanomaterials are investigated. The technological regimes of formation of functional nanostructured materials under combined ...
Gas-Phase Synthesis of Film Structures of Ni—N System

Shalaev, R.V. (Металлофизика и новейшие технологии, 2015)

As shown, the magnetron sputtering is effective for the synthesis of various nanostructured phases of nickel nitride (solid solution of nitrogen in nickel, Ni₄N, Ni₃N, and Ni₂N). The regularities of formation of globular ...
Influence of Copper on А1 to L1₀ Phase Transformation in Nanoscale Fe₅₀Pt₅₀ Films

Makogon, Yu.M.; Pavlova, O.P.; Sidorenko, S.I.; Verbytska, T.I.; Verbytska, M.Yu.; Fihurna, O.V. (Металлофизика и новейшие технологии, 2015)

By the methods of materials science, the effect of intermediate Cu layer with low surface energy (≅1.83 J/m²) (top, intermediate, and underlayer) in [Fe₅₀Pt₅₀(15 nm)/intermediate Cu(7.5 nm) layer/Fe₅₀Pt₅₀ (15 nm)]n (where ...
In situ ПЭМ-исследование кинетики гомогенизации поликристаллической плёночной системы Ag—Pd

Крышталь, А.П.; Богатыренко, С.И.; Сухов, Р.В.; Миненков, А.А.; Талиашвили, А.И. (Металлофизика и новейшие технологии, 2014)

Приводятся результаты in situ электронно-микроскопических исследований скорости диффузионного перемешивания в слоистой плёночной системе Ag—Pd. Показано, что эффективный коэффициент диффузии в системе Ag—Pd с характерным ...
Joint Effect of Chromium and Nickel on Surface Morphology and Preferred Crystal Orientations of Electrodeposited Iron-Based Coatings

Kolesnyk, Ie.V. (Металлофизика и новейшие технологии, 2015)

Structural investigations of electrodeposited binary and ternary iron-based alloys containing chromium and nickel are accomplished by the methods of scanning electron microscopy and X-ray diffractometry. Joint effect of ...
Low-Temperature Interdiffusion and Ordered Phase Formation in Au/Cu Nanocrystalline Thin Films at the Different Atmospheres

Tynkova, A.A.; Sidorenko, S.I.; Kotenko, I.E.; Svetchnikov, V.L.; Voloshko, S.M. (Металлофизика и новейшие технологии, 2014)

Interdiffusion processes in the polycrystalline Au (30 nm)/Cu (40 nm) thin films during annealing at 100—200°C for 15 and 30 min in a vacuum with different residual-atmosphere pressures of 10⁻² and 10⁻⁶ Pa and in an ...
Mechanical and Structural Studies of Ternary Mo–Zr–N Layers Deposited on Substrate by PVD

Abboudi, Abdelaziz; Chermime, Brahim; Djebaili, Hamid; Brioua, Mourad (Металлофизика и новейшие технологии, 2017)

Our study of ternary Mo–Zr–N thin layers is novel with the objective of improving certain mechanical and tribological characteristics and of finding the appropriate stoichiometry to have the microstructure, which orientates ...
Microstructure and Optical Properties of PMMA Matrix Composites Containing LaB₆ Nanoparticles

Hu, L.; Zhang, L.; Yuan, Y.; Min, G. (Металлофизика и новейшие технологии, 2013)

he lanthanum hexaboride (LaB₆) nanoparticles are synthesized via a solid state reaction in vacuum. Silane coupling agent is used for modifying the surface of the nanoparticles. This process is carried out in different ...
Nanoscale Surface Deformation of the Granular Со₂₅Ag₇₅ Films

Gorobets, O.Yu.; Yakymenko, Yu.I.; Kravets, A.F.; Brukva, O.M.; Zakharchenko, V.N.; Mikhalko, S.V.; Sizon, I.A. (Металлофизика и новейшие технологии, 2015)

Granular nanostructure Со₂₅Ag₇₅ films are analysed by means of the scanning tunnelling microscopy (STM) method. The phenomenon of giant film nanodeformation is detected with the 10% change of average height during the ...
New Method and Tool for TEM Samples Preparation

Boguslavsky, D.; Cherepin, V.; Polubotko, Y.; Smith, C. (Металлофизика и новейшие технологии, 2013)

А new tool for TEM sample preparation, which allows preparing a thin lamella with thickness less than 20 nm surrounded by and embedded in bulk material, is presented. The main advantages of this system are low ion milling ...
Optical Disc for Long-Term Data Storage Based on Chromium Film

Gorbov, I.V.; Manko, D.Yu.; Kryuchyn, A.A.; Zichun Le; Minglei Fu; Pankratova, A.V. (Металлофизика и новейшие технологии, 2016)

The applicability of the Ag, Au, Al, and Cr films as the reflective layer of optical discs for long-term data storage is investigated. Thin metal films are obtained on glass substrate by the method of vacuum thermal ...
Periodic Modulations of Magnetostatic Field in Ferromagnetic Cylinder and Their Influence on Etching Figure Formation in Acid Solutions

Dzhezherya, Yu.I.; Gorobets, O.Yu.; Kuz, O.P.; Klymuk, O.S.; Gorobets, Yu.I. (Металлофизика и новейшие технологии, 2016)

Ordinary cylindrical specimens with easy-axis anisotropy perpendicular to the axis of a cylinder are studied. As shown, the inhomogeneous long-wave magnetic configurations of harmonic type can be created and observed in ...
Real Time Test in situ of Superalloy Oxide Scale Stress by Archimedes Curve Slice Moment Technique

Hai-tao Wang; Shao-mei Zheng; Hua-shun Yu (Металлофизика и новейшие технологии, 2016)

Stress is the direct cause of surface oxide scale exfoliation to ruin the protection for alloy matrix. Therefore, it is the key to study oxide scale mechanical behaviour for discovering the oxidation resistance of alloys. ...
Structural and Microstructural Analysis of Zn–Mo Alloy Layers Electrodeposited from Aqueous Citrate Solution

Świątek, Z.; Kazimierczak, H.; Ozga, P.; Bonchyk, O.; Savytskyy, H. (Металлофизика и новейшие технологии, 2017)

The paper presents results of the phase-composition and microstructure studies of the Zn–Mo alloy electrodeposited layers. The Zn–Mo coatings are electrodeposited from sulphate-citrate electrolytes on a steel substrate. ...
The Wear Treatment by Nd:YAG Laser on Ti—6Al—4V Alloy: Effect of the Spot Size on Laser Beam and Seam Morphology

Gursel, A. (Металлофизика и новейшие технологии, 2015)

Due to the excellent corrosion resistance, high strength to weight ratio and high operating temperature, titanium and titanium alloys lead to successful application in various fields including the medical and aerospace ...

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