FIELD: machine building.
SUBSTANCE: procedure consists in sedimentation of coating form solution containing g/l: sulphuric acid nickel 40-60, boric acid 20-30, hypo-phosphite of sodium 10-30, vanadium acid 4-6, sodium nitrile-tri-acetic 20-40, cubic boron nitride 10-50 at temperature 85-95°C cathode density of current 1 A/dm2 with utilisation of graphite anodes.
EFFECT: raised wear resistance, hardness, heat resistance of coating and increased rate of application.
3 ex
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