Results 151 to 160 of about 468 (197)
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Evolution of microstructures in materials induced by electropulsing
Micron, 2003Nanostructures were formed in several conventional materials under single electropulsing, that is nanophases of alpha-Cu(Zn) and beta'-(CuZn) in a cold-worked alpha-Cu(Zn) alloy, nanosized gamma-Fe in a low-carbon steel, nanosized alpha-Al in a superduralumin, and orientated nanosized TiC in a TiC/NiCr cermet.
Manling Sui, Y Z Zhou, D X Li
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Digest of Technical Papers. 12th IEEE International Pulsed Power Conference. (Cat. No.99CH36358), 2003
A pulsed barrier discharge in a water-air mixture is used for water treatment. A dispersed water stream goes through several layers of electrodes like a shower. A voltage of several tens of kilovolts is applied to the electrode system with a pulse repetition rate from 100 to 1500 pulses per second and a pulse duration less than 10/sup -6/ s.
S. Boev, N. Yavorovsky
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A pulsed barrier discharge in a water-air mixture is used for water treatment. A dispersed water stream goes through several layers of electrodes like a shower. A voltage of several tens of kilovolts is applied to the electrode system with a pulse repetition rate from 100 to 1500 pulses per second and a pulse duration less than 10/sup -6/ s.
S. Boev, N. Yavorovsky
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Electropulse Machining of Metals
Materials Science Forum, 2016There are results of industrial experiments in steel 35L treatment with electromagnetic pulses (EMP) available. The results evidentiate significant improvement in the complex of metal mechanical properties after such treatment. The theory, describing impulse action on metals is proposed herein.
N.A. Shaburova, V.V. Krymsky
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Effect of Electropulsing on Nanostructured Bainitic Steel
Journal of Materials Engineering and Performance, 2021Novel steel of Fe-0.81C-1.9Mn-1.48Si-0.27Mo-0.95Ni-1.43Co-0.79Al composition was austenitized at 930 °C and isothermally treated at 240 °C for different intervals of time to produce carbide-free nanostructured bainite. The metastable austenite transformed to nanostructured bainite without any carbide precipitation.
M. Agrawal +4 more
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Electropulse consolidation of UN powder
Inorganic Materials: Applied Research, 2014Methods of compaction of UN powder for production of tablet fuel for next generation reactors are considered. The advantages of the method of electropulse compaction are noted. Optimal parameters of UN items production were calculated with the help of the model of the processes of high-speed heating and compaction of powder materials.
S. S. Bashlykov +4 more
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Recent biotechnological developments of electropulsation. A prospective review
Bioelectrochemistry, 2002During the last 25 years, basic research has improved our knowledge on the molecular mechanisms triggered at the membrane level by electric pulses. Applied aspects may now be used under safe conditions. Electropulsation is known as a very efficient tool for obtaining gene transfer in many species to produce genetically modified organisms (GMO). This is
J, Teissié +6 more
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Thermodynamics of crack healing under electropulsing
Journal of Materials Research, 2002The effect of electropulsing on the evolution of an elliptical cylinder microcrack was studied from a thermodynamic point of view. An analytical expression for the healing driving force with respect to the passing electric current density, crack geometric shape, Young's modulus, and sample size was derived.
Rongshan Qin, Shengxia Su
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Electropulse technology of material destruction and boring
Digest of Technical Papers. 11th IEEE International Pulsed Power Conference (Cat. No.97CH36127), 2002The use of electropulse technology in the destruction and boring of solid materials is examined by the authors. The high efficiency of the electropulse destruction is determined by the fact that the electric energy is directly introduced into the solid without any agent and a direct transformation of electrical into mechanical energy takes place.
S. Boev +7 more
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Crack healing in a steel by using electropulsing technique
Materials Letters, 2004Samples of steels with precracks were treated by electropulsing. As a result of electropulsing, the crack is partly healed. The healing process occurs with a very short duration pulse and the original microstructure in the area without a crack was maintained during the "healing" treatment. (C) 2004 Elsevier B.V. All rights reserved.
Jingdong Guo
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