METHOD OF PRETREATMENT OF METAL WORK BEFORE APPLICATION OF ELECTROPLATING Russian patent published in 1997 - IPC

Abstract RU 2090662 C1

FIELD: electroplating. SUBSTANCE: method consists in successive treatment of metal work in water and/or alkaline solution for removal of air from the pores and impurities from the surface at superposition of ultrasonic vibrations produced by bubbling in water or alkaline solution of gaseous heat-transfer agent through supersonic nozzle orifices. After that the metal work is activated. EFFECT: facilitated procedure. 3 cl

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RU 2 090 662 C1

Authors

Kvasenkov O.I.

Andreev V.G.

Jur'Ev D.N.

Ratnikov A.Ju.

Egorov A.D.

Dates

1997-09-20—Published

1997-02-17—Filed