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Перегляд Металлофизика и новейшие технологии, 2018 (том 40) за назвою

Репозиторій DSpace/Manakin

Перегляд Металлофизика и новейшие технологии, 2018 (том 40) за назвою

Сортувати за: Порядок: Результатів:

  • Influence of Boron Adding on the Acoustic Materials Signature Curves for Computing of Surface Acoustic Wave Velocities of Ti64 Alloys 
    Al-Sayad, Y.; Hadjoub, Z.; Doghmane, A. (Металлофизика и новейшие технологии, 2018)
    The effect of Boron admixture with five different concentrations x = 0.0, 0.04, 0.09, 0.30 and 0.55% wt. B on elastic properties of Ti–6Al–4V alloy is investigated. The values of velocities of propagating surface acoustic ...
  • Influence of Copper Pretreatment on the Phase and Pore Formations in the Solid Phase Reactions of Copper with Tin 
    Morozovych, V.V.; Honda, A.R.; Lyashenko, Yu.O.; Korol, Ya.D.; Liashenko, O.Yu.; Cserhát, С.; Gusak, A.M. (Металлофизика и новейшие технологии, 2018)
    The solid-phase reactions of copper with tin are considered, and the porosity of the reaction products depending on the pretreatment of the copper substrate is investigated. Copper substrates for the reaction are prepared ...
  • Longitudinal Ultrasound Velocity and Attenuation in Isotopically Enriched Cadmium 
    Bulatov, A.S.; Kovtun, G.P.; Klochko, V.S.; Korniets, A.V.; Solopikhin, D.A.; Shcherban, A.P. (Металлофизика и новейшие технологии, 2018)
    The results of the acoustic-properties’ study of high-purity (>99.999%) cadmium enriched to 66.4% with the isotope ¹⁰⁶Cd and to 82.2% with the isotope ¹¹⁶Cd are presented for the temperature range of 77–300 K. Isotopic ...
  • Magnetomechanical Effects in the Elastic Polymer Composites Containing Ferromagnetic Powder Particles 
    Likhachev, A.A.; Koval, Yu.N. (Металлофизика и новейшие технологии, 2018)
    In the present work, a detailed thermodynamic consideration for the magnetic free energy of the composite material consisting of the ferromagnetic powder particles embedded into a polymer matrix is given. We estimate their ...
  • Martin’s Kinetic Mean-Field Model Revisited—Frequency Noise Approach versus Monte Carlo 
    Gusak, A.; Zaporozhets, T. (Металлофизика и новейшие технологии, 2018)
    Development of the non-linear kinetic mean-field model suggested by George Martin in 1990 is discussed. Its steady-state limit is shown to coincide with Khachaturyan’s model. It is proved rigorously that Martin’s model and ...
  • Mechanism of Embrittlement of Metals by Surface-Active Elements 
    Teus, S.M.; Shanina, B.D.; Konchits, A.A.; Mogilny, G.S.; Gavriljuk, V.G. (Металлофизика и новейшие технологии, 2018)
    The nature of mechanical degradation of metals caused by surface-active elements is studied based on the effects of iodine and gallium in austenitic steels and using abinitio calculations and experimental measurements of ...
  • Miniature Meander- and Fractal-Shaped Microstrip Resonators 
    Kalenyuk, A.A.; Futimsky, S.I. (Металлофизика и новейшие технологии, 2018)
    Numerical calculations of the characteristics of the meander- and fractal-shape (Hilbert curve) topologies of close-packed microstrip resonators are performed. The amplitude–frequency characteristics, resonance frequencies, ...
  • Modelling of Thin Films Hardness Measured by a Spherical Indenter 
    Boudilmi, A.; Loucif, K. (Металлофизика и новейшие технологии, 2018)
    In this theoretical contribution, we chose to use an indenter having a spherical geometrical form, which we used to model the surfaces mixture to separate the contributions of substrate and film in the composite covered ...
  • Non-Steady-State Growth During Directional Solidification of Various Crystallographic Orientations 
    Fedorov, O.P.; Demchenko, V.F.; Zhivolub, E.L. (Металлофизика и новейшие технологии, 2018)
    The growth pattern in the thin and bulk samples of various crystallographic orientations is studied using direct observation of solid–liquid interface in transparent substances and microstructure of Al–Si single crystals. ...
  • On the Advanced Mechanical Properties of Fe–Cu and Y–Cu Nanocomposites Obtained by Mechanical Alloying 
    Dashevskyi, M.; Belyavina, N.; Nakonechna, O.; Melnichenko, M.; Revo, S. (Металлофизика и новейшие технологии, 2018)
    In this study, the Fe–Cu and Y–Cu nanocomposites are synthesized by mechanical alloying of the elemental powder mixture of the iron, copper and crushed yttrium particles in a high-energy planetary ball mill inside the argon ...
  • Peculiarities of Electrical Conductivity of Metal/Carbon Nanotubes Array 
    Nishchenko, M.M.; Mykhailova, H.Yu.; Prikhodko, G.P.; Dashevskyi, M.M.; Nakonechna, O.I. (Металлофизика и новейшие технологии, 2018)
    A study of the electrical conductivity of mechanical mixture of both the carbon nanotubes (CNTs) (with work function of ≅ 4.7 eV) and the Cu and Al metal microparticles (with lower work functions of 4.2 and 4.0 eV, ...
  • Photoplastic Effect in Narrow-Gap Mercury Chalcogenide Crystals 
    Koman, B.P.; Balitskii, O.O.; Leonov, D.S. (Металлофизика и новейшие технологии, 2018)
    The paper elucidates the peculiarities of photoplasticization effect (PPE) occurring in narrow-gap crystals of mercury chalcogenides illuminated by white light during the process of uniaxial deformation. As found, the ...
  • Preparation of Co–Gr Nanocomposites and Analysis of Their Tribological and Corrosion Characteristics 
    Raghav, G.R.; Balaji, A.N.; Muthukrishnan, D.; Sruthi, V. (Металлофизика и новейшие технологии, 2018)
    This work summarizes the tribological and corrosion behaviour of Co–Gr nanocomposites. The Co–Gr nanocomposites are synthesized using high-energy ball mill and compacted into cylindrical pellets by hydraulic pressing.
  • Regularization of One Conditionally Ill-Posed Problem of Extractive Metallurgy 
    Bolshakov, V.I.; Volchuk, V.M.; Dubrov, Yu.I. (Металлофизика и новейшие технологии, 2018)
    One of the ways to solve the conditionally ill-posed problem for ranking quality criteria of the multiobjective system, whose regularization is made by applying the fractal formalism, is hereby considered. Ranking quality ...
  • Research of the Influence on the Modification of Beryllium in Al–Si Alloy 
    Hren, I.; Michna, S.; Drozdyk, L.; Cais, Jr.; Michnova, L.; Svobodova, J.; Hodinár, L. (Металлофизика и новейшие технологии, 2018)
    Modification of molten metal is performed for the eutectic and subeutectic silumins prior to its casting by using strontium, which has a time-limited effect up to 1–1.5 hours. Beryllium is used in order to prolong the ...
  • Scanning Acoustic Microscopy of Annealing Effects for Aluminium Thin Film Deposited on Silicon Substrate 
    Chafia Atailia; Lakhdar Deboub; Amar Boudour; Youcef Boumaiza (Металлофизика и новейшие технологии, 2018)
    Scanning acoustic microscope (SAM) has proved to be a powerful new technique for investigation and characterization of mechanical properties of materials, especially, the opaque ones. Non-destructive measurements can be ...
  • Simplified Modelling of Tandem Cold Rolling 
    Slimani, K.; Zaaf, M.; Bendjama, H. (Металлофизика и новейшие технологии, 2018)
    In this paper, a calculation technique for solving the problem of regulating interstand tension in a tandem cold rolling is proposed. Based on the slices’ method, the proposed technique develops a computational model for ...
  • Simulation of X-Ray Diffraction Spectra for AlN/GaN Multiple Quantum Well Structures on AlN(0001) with Interface Roughness and Variation of Vertical Layers Thickness 
    Liubchenko, O.I.; Kladko, V.P. (Металлофизика и новейшие технологии, 2018)
    A detailed XRD analysis of AlN/GaN multiple quantum well (MQW) structures grown on AlN(0001) substrates is proposed. The effect of roughness on the 2θ-ω scans measured in Bragg diffraction for symmetrical reflections is ...
  • Structural Aspect of Formation of a Nanosystem of In/In₄Se₃ (100) 
    Galiy, P.V.; Mazur, P.; Ciszewski, A.; Nenchuk, T.M.; Yarovets’, I.R.; Dveriy, O.R. (Металлофизика и новейшие технологии, 2018)
    Self-assembled indium deposition-induced nanostructures are obtained on the UHV cleaved (100) surface of In₄Se₃ layered semiconductor crystals. The small indium-deposition rates and short deposition times are chosen to ...
  • Structure, Phase Composition of Supercooled Austenite, and Kinetics of Its Decomposition in Perlite Temperature Range of Chromium–Manganese Cast Iron 
    Kutsova, V.Z.; Kovzel, M.A.; Shvets, P.U.; Grebeneva, A.V.; Prutchykova, V.V. (Металлофизика и новейшие технологии, 2018)
    The current paper studies the kinetics features of supercooled austenite decomposition in the pearlite temperature range (600–500°C) in chromium–manganese cast iron with the content of 2.2% carbon, 12.63% chromium, 5.7% ...

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