Suchergebnisse - "Kovalchuk, V. I."

Adsorption of C14EO8 at the interface between its aqueous solution drop and air saturated by different alkanes vapor von Miller, R, Aksenenko, E V, Kovalchuk, V I, Fainerman, V B

“… The dynamic and equilibrium surface tension for drops of aqueous C14EO8 solutions at the interface to pure air or pentane, hexane, heptane and toluene …”
Weitere Angaben

Electrophoresis and stability of nano-colloids: History, theory and experimental examples von Felix, C., Yaroshchuk, A., Pasupathi, S., Pollet, B.G., Bondarenko, M.P., Kovalchuk, V.I., Zholkovskiy, E.K.

“… The paper contains an extended historical overview of research activities focused on determining interfacial potential and charge of dispersed particles from …”
Volltext

Dilational Viscoelasticity of Adsorption Layers Measured by Drop and Bubble Profile Analysis: Reason for Different Results von Fainerman, V B, Kovalchuk, V I, Aksenenko, E V, Miller, R

“… The dilational viscoelasticity of adsorption layer was measured at different frequencies of drop and bubble surface area oscillations for aqueous C12EO5 …”
Weitere Angaben

Crystal Structure of Oxide Ceramic Coatings Obtained On Alloys with High Silicon Content von Kovalchuk, I. V., Yurkeych, R. M., Posuvailo, V. M.

“… Crystal structure of oxide ceramic coatings obtained on AK9M2 and AK12 alloys is determined. Already after 5 min of processing the AK9M2 alloy by plasma …”
Volltext

Polarization of Nucleons in the Deuteron Stripping Reaction on Nuclei von Kovalchuk, V. I.

“… A general analytical expression has been obtained in the diffraction approximation for the polarization of nucleons arising in the deuteron stripping reaction …”
Volltext

Structural features and wear resistance of the TiAlN coating on the Ti–6Al–4V alloy formed by combining electric arc spraying and gas nitriding methods von Tkachuk, O. V., Hvozdetskyi, V. M., Student, M. M., Zadorozhna, Kh. R., Kovalchuk, I. V., Pohrelyuk, I. M.

“… The formation of the TiAlN coating on Ti–6Al–4V alloy by combining the arc spraying and gas nitriding methods was investigated. The TiAlN phase is formed in …”
Volltext

Tribological Characteristics of Titanium after Combined Treatment von Pohrelyuk, I. M., Student, M. M., Zadorozhna, Kh.R., Lavrys, S. M., Kravchyshyn, T. M., Kovalchuk, I. V.

“… The combined treatment which includes thermodiffusion saturation with interstitial elements (oxygen and nitrogen) and electrospark alloying with a graphite …”
Volltext

Kinetics of Gas Carburizing of Zr–1%Nb Alloy von 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) …”
Volltext

Influence of Hydrogen Peroxide on the Composition and Porosity of Oxide-Ceramic Coatings on Alloys of the Al–Si–Cu and Al–Cu–Mg Systems von Posuvailo, V. M., Kovalchuk, I. V., Ivasenko, I. B.

“… We study the influence of hydrogen peroxide on the phase composition, thickness, and porosity of oxide-ceramic coatings obtained by plasma electrolytic …”
Volltext

Corrosion Properties of Oxide Ceramic Coatings Based on Alloys of the Al–Cu–Mg and Al–Mg Systems von Bilyi, L. M., Posuvailo, V. M., Ivashkiv, V. R., Kovalchuk, I. V.

“… By the methods of electrochemical impedance spectroscopy and potentiodynamic methods, we estimate the corrosion resistance of oxide ceramic coatings obtained …”
Volltext

Kinetic Characteristics of Nitriding of Zr–1% Nb Alloy von 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 ( …”
Volltext

Dynamics of rear stagnant cap formation at the surface of rising bubbles in surfactant solutions at large Reynolds and Marangoni numbers and for slow sorption kinetics von Dukhin, S.S., Lotfi, M., Kovalchuk, V.I., Bastani, D., Miller, R.

“… [Display omitted] •Based on a quasi-steady approximation, the theory for decelerated rising of bubbles of a radius of 0.4mm is refined.•The approach is valid …”
Volltext

Effect of water hardness on surface tension and dilational visco-elasticity of sodium dodecyl sulphate solutions von Fainerman, V.B., Lylyk, S.V., Aksenenko, E.V., Kovalchuk, N.M., Kovalchuk, V.I., Petkov, J.T., Miller, R.

“… [Display omitted] ► The surface activity of SDS is increased due to presence of bivalent ions. ► In presence of bivalent ions double chain surfactants like …”
Volltext

Surface dilational rheology of mixed adsorption layers at liquid interfaces von Aksenenko, E.V., Kovalchuk, V.I., Fainerman, V.B., Miller, R.

“… The dilational rheology for mixed solutions of surface active compounds is easy to measure with existing methods, however, there are very few attempts only to …”
Volltext

Dilation and shear rheology of mixed beta-casein/surfactant adsorption layers von Kotsmar, Cs, Krägel, J, Kovalchuk, V I, Aksenenko, E V, Fainerman, V B, Miller, R

“… The present study deals with dilational and shear rheological properties of adsorption layers of the milk protein beta-casein (BCS) mixed with the nonionic …”
Weitere Angaben

Frequency Dependence of the Complex Conductivity of Thin Polymer Films von Alekseev, A. N., Zabashta, Yu. F., Kovalchuk, V. I., Andrusenko, D. A., Bulavin, L. A.

“… A method to experimentally determine the components of complex thermal conductivity for thin polymer films has been developed. It is based on measuring the …”
Volltext

Marangoni instabilities for convective mobile interfaces during drop exchange: Experimental study and CFD simulation von Javadi, A., Karbaschi, M., Bastani, D., Ferri, J.K., Kovalchuk, V.I., Kovalchuk, N.M., Javadi, K., Miller, R.

“… [Display omitted] ► Experimental results indicate a significant delay in onset of Marangoni convection. ► The simulation results show an immediate Marangoni …”
Volltext

Surface-pressure isotherms of monolayers formed by microsize and nanosize particles von Fainerman, V B, Kovalchuk, V I, Lucassen-Reynders, E H, Grigoriev, D O, Ferri, J K, Leser, M E, Michel, M, Miller, R, Möhwald, H

“… The thermodynamic model of a 2D solution developed earlier for protein monolayers at liquid interfaces is generalized for monolayers composed of micro- and …”
Weitere Angaben

Drop profile analysis tensiometry under highly dynamic conditions von Karbaschi, M., Bastani, D., Javadi, A., Kovalchuk, V.I., Kovalchuk, N.M., Makievski, A.V., Bonaccurso, E., Miller, R.

“… The results of measured surface tension by the use of drop profile analysis tensiometry (PAT) under dynamic conditions indicate acceptable values at low …”
Volltext

Surfactant Adsorption Layers: Experiments and Modeling von Kovalchuk, V I, Aksenenko, E V, Schneck, E, Miller, R

“… During recent years, great progress has been made in understanding the adsorption of surfactants at liquid interfaces. In addition to tensiometry, new …”
Weitere Angaben