STUDY THE TECHNOLOGICAL PARAMETERS INFLUENCE ON THE HARDNESS OF NI-W ALLOYS OBTAINED BY GALVANIC DEPOSITION

摘要

The paper presents the research on the characteristics, in terms of Vickers hardness for the alloy deposits obtained by nickel, tungsten and diamond powder co-depositions in a mixed galvanic bath. The series of Ni-W alloy with diamond power codepositions were obtained by electrodeposition in a Hull cell, changing the following working parameters: the secondary distribution of current (expressed by the anode - cathode distance), the stirring of the electrolitic bath and the diamond particle size. The micro-hardness of the metallic coating was measured using micro-hardness tester. In all the cases the microhardness and deposit is found to be affected by technological parameters.