Characteristics of electrodeposited nickel from mixed organic solvents

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作者：

Banaras Hindu Univ, Veranasi, India ^{[1
]}

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来源：

Met Finish | / 5卷 / 4pp期

关键词：

Annealing - Crystal orientation - Crystal structure - Current density - Electrodeposition - Grain growth - Microhardness - Organic solvents - Scanning electron microscopy - Temperature - Transmission electron microscopy - X ray diffraction analysis;

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摘要：

The effect of current density and bath and annealing temperature on the hardness of nickel deposited from a nickel sulfamate-ethylene glycol-diethylene glycol mixed solvent solution is studied. It is shown that the hardness of nickel deposits decreases with increasing current density but show a declining trend with elevated annealing temperature. SEM micrographs show fine-grained deposits under optimum conditions, recrystallization of grains, and grain growth at high annealing temperatures. TEM studies indicate that the deposits are free from twinning and dislocations.

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