PROCEDURE FOR HEAT RESISTANT COATING OF TUNGSTEN OR TANTALUM

FIELD: metallurgy. ^ SUBSTANCE: powder or foil of tungsten or tantalum is applied on steel substrate. It is treated with arc in argon medium at current 40 A or with pulses of current of high density under a mode of contact welding at voltage from 3.6 to 4 V. Also, material of coating is melted creat...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DEM'JANOV BORIS FEDOROVICH, PLOTNIKOV ALEKSANDR VLADIMIROVICH, PLOTNIKOV VLADIMIR ALEKSANDROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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