pulsed current
The Effects of Pulsed Current Parameters on Porosity of Copper Prepared by Jet Electrodeposition
... Fig. 3 shows the micro-morphology of a surface deposited using a pulsed current duty cycle of 1:6. The surface appears uniform with fine porous structures and numerous microholes evenly distributed over the ...
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Pulsed Current electrodepostion of manganese in NaCl-KCl- MnCl2 melt
... The electrochemical tests as well as direct and pulsed current electrolysis were conducted by PARSTAT 2273 potentiostat with Powersuite software (Princeton Applied Research, AMETEK). Cyclic voltammetry was ...
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EFFECT OF PULSED CURRENT ON WELDING CHARACTERISTICS OF EN19 ALLOY STEEL USING GAS TUNGSTEN ARC WELDING
... non-pulsed current and pulsed current at different frequencies of 2Hz,4HZ & ...with pulsed and non-pulsed current welding at different frequencies of two different ...
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Synthesis of Lead Dioxide Nanoparticles by the Pulsed Current Electrochemical Method
... In this paper, lead dioxide nanoparticles were directly synthesized by pulsed current electrochemical method on the lead substrate in 4.8 M sulfuric acid solution. In order to obatin uniform morphology , ...
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Evaluation of continuous constant current and continuous pulsed current in sweat induction for cystic fibrosis diagnosis
... the current applied showed: male presented lower electrical impedance [continuous constant current (CCC), triangular pulsed current (TPC)] and higher sweat weight [CCC, sinusoidal ...
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Synthesis of Cobalt Nanorods by the Pulsed Current Electrochemical Method
... which pulsed current electrochemical method could be used as a confident and controllable method for preparation of cobalt ...of pulsed current electrochemical ...
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Effect of Pulsed Current on TIG Weldments of Aluminium Alloy (5052) and Alloy Steel (EN24)
... been pulsed current TIG welding. Pulsed current welding (pcw) was introduced in the late 1960’s as a variant of constant current ...zone[1-8]. Pulsed current welding ...
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Micro-Hardness and Mechanical Properties of EN24 Alloy Steel Weldments Using Pulsed and Non-Pulsed Current Gas Tungsten Arc Welding
... non-pulsed current weldments ,the hardness traverse on the welded zone and HAZ shows little difference, its value gradually reduced and goes towards base ...In pulsed current weldments, the ...
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Fabrication of TiB2–FeAl Cermet by Mechanical Milling and Subsequent Pulsed Current Sintering
... Fabrication of TiB2 –FeAl Cermet by Mechanical Milling and Subsequent Pulsed Current Sintering Hiroyuki Nakayama, Shuji Tada, Kimihiro Ozaki and Keizo Kobayashi Material Research Institu[r] ...
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Flushing Enhancement with Vibration and Pulsed Current in Electrochemical Machining
... To continue improve MRR in vibration-assisted ECM, synchronization of mechanical vibration with pulsed current was introduced. During this process, the electrode feeding toward the anode was overlaid with ...
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Pulsed Current Electrochemical Synthesis of Cadmium Sulfide Nanofibers
... the pulsed current of 100 mA cm -2 with a frequency of 8 Hz at solution temperature of ...the pulsed current electrochemical method can be used as a confident and controllable method for the ...
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Pulsed Current Electrochemical Synthesis of Co3O4 Nanostructures
... By using a higher concentration of hydroxide ion, the nucleation rate is strongly increased so that, crustal growth is not completed, cobalt oxide nanorods are not formed, and the precipitated sample consisting smaller ...
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Preparation and Properties of Nanocomposite Coatings by Pulsed Current-Jet Electrodeposition
... In the process of jet electrodeposition, the electric field intensity of the convex regions of the coating surface is higher because of the influence of the "effect of point" (Fig. 4a). The cellular bulges became ...
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Correlation between Microstructure and Magnetic Properties in Sm2Fe17N3 Magnet Prepared by Pulsed Current Sintering
... Subsequently, an electrical current was applied through the upper and lower punches under vacuum. The temperature was increased from room temperature to 873 K at a heating rate of 100 K/min and was then maintained ...
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Synthesis, Structure, and Properties of Nanocrystalline Zinc by Pulsed-Current Electrodeposition
... Figure 7.1 shows the surface morphology of zinc deposits obtained at various PAA concentrations. For the PAA-free electrolyte (Figure 7.1a) the deposit surface morphology is comprised of pyramidal-shaped grains with an ...
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Submicron Size Patterned Nickel Soft Lithographic Masters Using Aluminium Template
... The pulsed current electrodeposition is a well estab- lished technique for deposition of metals, alloys and semiconductors by varying parameters like peak current density, ‘on’ and ‘off’ times of ...
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Parametric Study For Overcut Using EDM With Tool of Graphite, Copper & Silver
... as pulsed current on material removal rate, diameteral overcut, electrode wear, and surface roughness in electric discharge machining of En-31 tool steel (IS designation: T105 Cr 1 Mn 60) hardened and ...
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Attitude towards E-learning Technology -- A study in Kerala
... as pulsed current on material removal rate, diameteral overcut, electrode wear, and surface roughness in electric discharge machining of En-31 tool steel (IS designation: T105 Cr 1 Mn 60) hardened and ...
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Derivation of Floquet Eigenvectors Displacement for Optimal Design of LC Tank Pulsed Bias Oscillators
... The paper presented an approximated and compact deri- vation of the mutual displacement of Floquet eigenvec- tors in the class of parallel RLC tank oscillators with pulsed current bias. Mutual displacement ...
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Electroplating Nanostructured Hard Gold through the Pulse Galvanostatic Method
... (pulse current amplitude), the relaxation time, the pulse time and the temperature of the alloy gold bath are the most effective factors in the morphology, hardness and corrosion ...the pulsed ...
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