Bright smooth nickel was electrodeposited using a mixed electrolyte (nickel sulphamate–nickel sulphate) in an ethylene glycol solution under various plating conditions. The influence of current density and bath temperature on cathode current efficiency, microhardness, and microstructure was investigated. The effect of annealing of the deposits at various temperatures, on micro hardness and structure was also studied. The micro hardness of the deposits decreased with increasing annealing temperature and bath temperature. Transmission electron microscopy studies revealed that the deposits were fine grained, polycrystalline, randomly oriented, and almost free from defects.
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