METHOD OF MAGNESIUM ALLOY WORKING BEFORE PAINT AND VARNISH COATING APPLYING Russian patent published in 1995 - IPC

Abstract SU 1824950 A1

FIELD: chemical technology. SUBSTANCE: method involves preliminary preparation of surface, anode oxidation in solution containing sodium silicate, sodium pyrophosphate and ammonium dihydrogen phosphate at the following ratio of components, g/l: Na₂SiO₃-20-200, 20-200; Na₄P₂O₇-5-70 5-70; NH₄H₂PO₄-3-20. 3-20. Process is carried out at direct current at voltage 4-50 V and density 0,5-5 A/dm², at 18-60 C for 10-40 min. Method is used for corrosion protection. EFFECT: improved method of alloy working. 1 tbl

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SU 1 824 950 A1

Authors

Zhilikov V.P.

Antonova I.A.

Stoljarova L.N.

Dates

1995-05-10—Published

1991-03-28—Filed