Abstract
Nickel tungsten (Ni-W) alloy coating was electroplated to increase its mechanical properties. Tungsten cannot be electroplated by itself, however, it is codeposited with other iron group metals especially with nickel. The morphologies of nickel tungsten coating were varied with current density. To eliminate the formation of cracks, pulse plating was employed. Crackless nickel tungsten alloy were obtained in pulse reverse electroplating. Hardness of nickel tungsten coating has twice higher compared to the normal electroplated nickel.
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