STUDYING THE PROCESS OF OBTAINING FINE COPPER POWDERS BY ELECTROLYSIS | ||||
| The International Conference on Applied Mechanics and Mechanical Engineering | ||||
| Article 27, Volume 15, 15th International Conference on Applied Mechanics and Mechanical Engineering., May 2012, Page 1-6 PDF (477.31 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/amme.2012.36928 | ||||
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| Author | ||||
| R. S. Akpanbayev | ||||
| PhD candidate, Dept. of Metallurgical Processes, Thermal Engineering and Technology of Special Materials, KazNTU, Almaty, Kazakhstan. | ||||
| Abstract | ||||
| ABSTRACT The electrolytic reception of copper powders is the most studied and widely applied method, but at the implementation of process of electro-deposition, it is difficult to obtain fine and ultrafine powders. Surveys have established technological regimes of electrolysis (cathodic current density, copper and sulfuric acid concentrations, duration of electrolysis, etc.). The current efficiency depending on the cathode material was studied. The influences of organic compounds on dendrite-formation, size and grain shape of obtained copper powder are studied. The nature of organic additives with different functional groups and structure, affect the nature of grit and dispersion and the crystal structure of copper deposits, and causes reflexion in color transition of the deposited powder. | ||||
| Keywords | ||||
| Copper powder; Electrolysis; Electrolyte; Micrographs; Cathodes | ||||
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