METHOD FOR CHEMOTHERMAL TREATMENT OF STEEL ARTICLES Russian patent published in 1994 - IPC

Abstract RU 2005812 C1

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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RU 2 005 812 C1

Authors

Gromov Ju.N.

Kotofeev V.A.

Kudrjavtseva N.Ja.

Dates

1994-01-15Published

1991-03-29Filed