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Browsing by Author "Babutskyi, Anatolii"
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Analysis of porosity in NiTi SMA's changed by secondary pulse electric current treatment by means of ultra small angle scattering and micro-computed tomography
Pozdnyakova, A.; Giuliani, A.; Dutkiewicz, J.; Babutskyi, Anatolii; Chyzhyk, A.; Roether, J.A.; Rustichelli, F.; Ortore, M.G. (2010)Porous NiTi samples were produced by two different techniques, Mechanical Alloying & Hot Pressing (MA&HP) and Reaction Synthesis (RS), followed by secondary Pulse Electric Current (PEC) treatment. The samples were analyzed ... -
Correlation between the corrosion resistance and the hardness scattering of structural metals treated with a pulsed electric current
Babutskyi, Anatolii; Chrysanthou, A.; Ioannou, John; Mamuzic, I. (2010)The results of corrosion tests of two kinds of structural metals initially treated by a pulsed electric current of high density are presented. According to the data obtained, the treatment influences the corrosion of metals. ... -
Corrosion of structural metals treated by pulse electric current
Babutskyi, Anatolii; Chrysanthou, A.; Ioannou, John (2010) -
Effect of a high-density current pulse on the relaxation of shear stresses
Stepanov, G.V.; Babutskyi, Anatolii; Pakhotnykh , V.P. (2008)The procedure and several results of experimental studies on the high-density current pulse-induced relaxation of shear stresses are presented. A significant nonthermal current effect on shear strain kinetics has been ... -
Effect of a pulsed electromagnetic field on stress relaxation in concentrator-containing flat specimens
Stepanov, G.V.; Gromov, V.E.; Olisov, A.N.; Fedorchuk, V.A.; Babutskyi, Anatolii (2012)Experimental results of evaluating the pulsed electromagnetic field effect on tensile stress relaxation in specimens with hole a concentrator are presented. The pulsed electromagnetic field is shown to induce local inelastic ... -
Effect of electric current pulse treatment on the corrosion rate and strength of specimens made of 45 steel
Babutskyi, Anatolii (2010)The paper presents results of static tensile tests of specimens made of 45 steel after holding them for 100 h in a corrosive medium. It has been shown that due to the pretreatment of specimens with electric current pulse ... -
Effect of pulsed electric current treatment on corrosion of structural metals
Babutskyi, Anatolii; Chrysanthou, A.; Ioannou, J. (2009)Results of corrosion tests of structural metals previously treated using pulsed electric current of high density are presented. According to the data obtained, the treatment substantially affects corrosion of metals. In ... -
Effect of pulsed electric current treatment on the corrosion and strength of reinforcing steel
Kruszka, L.; Babutskyi, Anatolii; Chrysanthou, A.; Tan, Chu En (2012)The study was carried out in order to evaluate the effect of the pulsed electric current (PEC) treatment on the corrosion as well as on static strength of Polish reinforcing steel. Asreceived St3SX was used for investigations. ... -
The effect of the pulse electric current treatment on residual stresses arising in grinding
Stepanov, G.V.; Babutskyi, Anatolii; Mameev, I.A. (2009)We show experimentally that the passing of a pulse electric current through a strip of stainless steel with a surface layer containing grinding-induced tensile stresses substantially reduces their level. In this case, the ... -
Effect of transient heating of the outer surface of a radial crack-containing ring specimen on its brittle fracture resistance
Stepanov, G.V.; Kotlyarenko, A.A.; Babutskyi, Anatolii; Zhmaka, V.N. (2012-07)Experimental studies on the effect of transient heating of the outer surface of radial crack-containing ring specimens from 45 steel on their fracture toughness are described. Such a treatment contributes to an increase ... -
Electric pulse current effect on stress-strain state in the notch vicinity in a cantilever beam under cyclic bending
Stepanov, G.V.; Babutskyi, Anatolii (2010)Calculation results of the thermal effect assessment induced by electric pulse current on stress variation in the edge notch vicinity in a metal cantilever beam under cyclic bending are presented. The results obtained ... -
Evaluation of residual stresses in carbon/carbon composites components joined to copper before and after pulse electromagnetic treatment
Stepanov, G.V.; Babutskyi, Anatolii; Mameev, I.A.; Ferraris, M.; Casalegno, V.; Salvo, M. (2011)Results of experimental and calculated evaluation of residual stresses in carbon/carbon composites components produced by joining of carbon fiber reinforced carbon composites to copper are presented. Pulse electromagnetic ... -
Evaluation of residual stresses in CFC-copper monoblocks before and after pulse electromagnetic treatment
Babutskyi, Anatolii; Mameev, I.; Stepanov, G. (2010) -
Evaluation of the residual stresses in the welded joint of the header with a connecting pipe of a steam generator after additional thermomechanical treatment
Stepanov, G.V.; Kharchenko, V.V.; Babutskyi, Anatolii; Trunov, N.B.; Piminov, V.A. (2010)We present the results of numerical evaluation of the possibility of application of additional thermomechanical treatment to the welded joints of the headers with connecting pipes of PGV-1000 steam generators from WWER-1000 ... -
Experimental evaluation of pulse electric current effect on residual stresses in composite-to-copper joints
Stepanov, G.V.; Babutskyi, Anatolii; Mameev, I.A.; Ferraris, M.; Casalegno, V.; Salvo, M. (2008)Experimental method for evaluation of residual stress distribution in carbon fiber reinforced carbon composite jointed to copper is presented. Pulse electric current passed through composite-to-copper joint essentially ... -
Experimental evaluation of the electric pulse effect on residual stresses in a Ti-Al-Si-Ag coating
Stepanov, G.V.; Babutskyi, Anatolii; Mameev, I.A. (2008)Experimental results and stress-strain state simulation by the finite element method show that a thin oxidation-resistant coating sputtered onto a titanium alloy substrate develops high-level residual stresses. The electric ... -
Improvement of cyclic fatigue life of metallic materials and welded joints by treatment by pulsed electric current
Stepanov, G.V.; Babutskyi, Anatolii; Mameev, I.A.; Chyzhyk, A.V.; Savitskii, V.V.; Tkachuk, G.I.; Paschin, N.A. (2010)The paper presents experimental data on improvement of cyclic fatigue life of stainless steel and aluminium alloy samples as a result of treatment based on direct passage of electric current through the material, as well ... -
Influence of pulsed electric current and additional heating on relaxation of grinding-induced residual stresses
Babutskyi, Anatolii; Kruszka, L.; Mameev, I.; Stepanov, G. (2010) -
Influence of pulsed electric current treatment on strength of reinforcing steel and its welds under impact loading
Kruszka, L.; Stepanov, G.V.; Zubov , V.I.; Babutskyi, Anatolii (EDP Sciences, 2009)Results of static and impact tension tests of as-received reinforcing steel specimens, specimens with weld joints in their test portion, as well as specimens after high-density pulse current pretreatment are presented. As ... -
Pulse current treatment effect on the strength of reinforcing steel and its weld joint under impact loading
Kruszka, L.; Stepanov, G.V.; Zubov, V.I.; Babutskyi, Anatolii (2009)We present results of static and impact tension tests of as-received reinforcing steel specimens, specimens with weld joints in their test portion, as well as specimens pretreated by high-density pulse current. As test ...