METALLIC PART TREATMENT METHOD

METALLIC PART TREATMENT METHOD

electrochemical cleaning of parts of aluminum alloys. SUBSTANCE: method provides removal of high temperature burnings formed at process of isothermic forging of parts. Method comprises steps of cleaning and simultaneously passivating surface of parts in (3-7)% solution of sodium hexametaphosphate at...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TIKHONOVA T.S, ZORIN V.A
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROMOBJECTS
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Beschreibung
Zusammenfassung:electrochemical cleaning of parts of aluminum alloys. SUBSTANCE: method provides removal of high temperature burnings formed at process of isothermic forging of parts. Method comprises steps of cleaning and simultaneously passivating surface of parts in (3-7)% solution of sodium hexametaphosphate at 18-60 C and electric current density (1-20)A/sq.dm. EFFECT: lowered time period for cleaning parts, enhanced quality of cleaned part surface. 3 dwg, 2 tbl _