Production of copper powder from rolled scale and its mechanical properties

Epifantseva, T. A.; Fedorov, D. M.; Kayuk, V. G.; Shtern, M. B.; Martyukhin, I. D.

doi:10.1007/s11106-010-9246-0

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“…However, among these methods, the electrochemical method holds a special place, and today over 90% of copper powders are obtained by this method. Until today, the most dispersed copper powders (30-80 µm) are obtained by this method [1][2][3][4][5][6][7][8][9][10] .…”

Section: Introductionmentioning

confidence: 99%

Formation of Copper Powders in the Cathode Half-Period of Alternating Current

Bayeshov¹,

Bayeshovа²,

Abizhanova

et al. 2019

Orient. J. Chem

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In the proposed research paper, we considered the pattern of formation of copper powders during the polarization of electrodes by transient currents. When a copper-titanium pair of electrodes is polarized with an industrial alternating current of 50 Hz in a solution of copper (II) sulfate, it is shown that copper powders with a high current yield are formed on the surface of the titanium electrode. Under optimum conditions, the current yield is 80%. The size of the formed copper powders is 0.5-2 µm. The analysis of the obtained oscillograms showed that when titanium is used in the circuit, the asymmetrical sinusoidal current flows.

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