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The analysis of the transitory regimes of the motor is very important for the tuning of electric parameters and of the maximal values of the oscillating electromagnetic torque. Current shocks cause torque shock. They send the appliance running and binding traction device. The analysis in this article is part of a larger study that follows electric locomotive modernization - LE-040-3500 kW. By equipping...
Current-voltage characteristics were registered for reactive magnetron discharge in argon-nitrogen gas mixture and titanium target. There is an important changing of the characteristics vs ratio of partial pressure of the nitrogen and the argon buffer gas which might be used as an identification for transition from the nitride mode to the metallic mode of Ti deposition.
Poly(ethyleneterephthalate) foils have been subjected to the action of oxygen ion beams in order to investigate induced surface modifications vs beam parameters (ion energy and fluence). The ion beam-plasma system was characterised by mass spectrometry and the resulting modifications of the polymer surface were analysed by transmission electron microscopy, IR and X-ray photoelectron spectrometry.It...
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