FIELD: electricity.
SUBSTANCE: method includes the application of galvanic coating made of electrolyte solution on part surface containing ferrum salt, sulphuric and hydrochloric acids. Note that the coating is applied by subsequent forming of alternating iron layers of high and low hardness of 10-30 micron thick, hardness ratio of which amounts 4-8.
EFFECT: improvement of coating wear resistance.
1 dwg, 1 ex
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