Nickel-phosphorous alloys are of great commercial interest as of their mechanical and corrosion resistance properties. A proprietary, high efficiency process of chemical reduction has been developed to produce the Ni-P surface layers exhibiting useful tribological properties resulted from a modification of the solvent by ionic liquids.
The goal of the present paper is to report the results of performed investigations on the influence of additions of different quantities of ionic liquids into a multi-component solvent on properties of Ni-P layers prepared by the method of chemical reduction. The results of analyses of topography, morphology and lubricating properties of the Ni-P layers prepared with and without liquid ions additives are also presented.The structural analyses are performed by using X-Ray diffractometer PW-1830. Morphology and topography of examined layers are performed by scanning electron microscopy S-3600N.
Results of investigations presented in this paper have showed that the introduction of ionic liquids into the bath leads to important increase in mechanical properties of the Ni-P surface layers.

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