FIELD: metallurgy.
SUBSTANCE: method includes deposition of an electropositive metal, at least on a part of a metal substrate, at the same time the electropositive metal is deposited during contact of the substrate with the solution for application of the coating, containing a soluble metal salt, at the same time the electropositive metal is contained in the solution for application of the coating in amount from 1 to 50 ppm of the total content of metal, in terms of the elementary metal, directly accompanied by the following electrophoretic deposition of the hardened electrically deposited composition of the coating on the substrate.
EFFECT: production of metal substrates with improved corrosion properties.
15 cl, 2 tbl, 2 ex
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| COPPER-CONTAINING SOLUTION FOR PREWASHING YTTRIUM-CONTAINING ELECTROPLATING COMPOSITION TO IMPROVE ANTICORROSION PROTECTION | 2011 |
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