Influence Voltage Pulse Electrical Discharge In The Water at the Endurance Fatigue Of Carbon Steel

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I.A. Vakulenko, Lisnyak A G

Influence Voltage Pulse Electrical Discharge In The Water at the Endurance Fatigue Of Carbon Steel Journal Article

Mechanics, Materials Science & Engineering, 2 (1), pp. 4-25, 2016, ISBN: 2412-5954.

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Authors: I.A. Vakulenko, A.G. Lisnyak

ABSTRACT. Effect of pulses of electrical discharge in the water at the magnitude of the limited endurance under cyclic loading thermally hardened carbon steel was investigated. Observed increase stamina during cyclic loading a corresponding increase in the number of accumulated dislocations on the fracture surface. Using the equation of Cofino-Manson has revealed a decrease of strain loading cycle after treatment discharges. For field-cycle fatigue as a result of processing the voltage pulses carbon steel structure improvement, followed by growth of limited endurance decrease per cycle of deformation. With increasing amplitude of the voltage loop gain stamina effect on metal processing voltage pulses is reduced. The results can be used to extend the life of parts that are subject to cyclic loading.

Keywords: hardness, distribution, impuls pressures, electric digit, limited endurance

DOI 10.13140/RG.2.1.3623.7844

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