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EN
The Co-Ni and Co-Ni-Mo alloy powders were electrochemically deposited from alkaline ammonical electrolyte at a constant current density. Between them, Ni and Co are anomalously deposited, and both metals induce Mo deposition, which on its own cannot be deposited from aqueous solutions. Based on the obtained experimental results it can be concluded that by appropriate selection of chemical composition of the electrolyte for deposition, varying of Co, Ni and Mo ions ratios and current density it can be influenced on the particle sizes of deposited powders.
EN
The Co-Ni-Mo alloy powders were electrochemically deposited from alkaline ammonical electrolyte containing two or three different elements, Co, Ni and/or Mo at a constant current density. The obtained Co-Ni-M powders were studied using EDS, XRay and SEM analysis. Based on the obtained experimental results it can be concluded that by appropriate selection of chemical composition of the electrolyte for deposition, varying of Co, Ni and Mo ions ratios and current density it can be influenced on the particle sizes of deposited powders. X-ray results suggest that the obtained powders have amorphous structure.
EN
The effect of different polymer binders and effect of binder percentage on morphology and hardness of synthesized Nd-Fe-B bonded composites is studied and presented. The ratio of epoxy binder content regarding to the Nd-Fe-B powder is varied as follows - 22: 78; 50:50; 75:25; 10:90; for two different combinations of polymer binder. The goal of this preliminary investigation was to obtain good morphology characteristics and satisfactory hardness values.
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