Abstract
The effect of heat treatment (annealing temperature and duration) on the structure and properties of coatings of the Ni–W system obtained by electrodeposition has been studied. It has been found that annealing results in an increase of microhardness due to hardening of the alloy matrix and precipitation of Ni 4 W and NiW intermetallic phases. A heat treatment mode was selected to provide maximum microhardness of 1350 HV for Ni–W coatings with a tungsten content of 44 wt %.
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