FIELD: mechanical engineering. SUBSTANCE: surface of articles is coated by electric spark alloying method with a layer of zinc at least 20 micron thick at a voltage of 52-62 V and a pulse frequency of 800 ± 80 Hz Hz. Process is completed by diffusion chrome-plating in powder mixture. EFFECT: higher efficiency. 1 tbl
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Authors
Dates
1994-01-15—Published
1991-03-29—Filed