Treatment process for blackening surface of steel part

The invention relates to the technical field of metal product surface treatment, in particular to a steel part surface blackening treatment process which comprises the steps that S1, a workpiece is pretreated; s2, vacuumizing in a furnace; s3, carbonitriding is carried out; s4, blackening treatment...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FAN XIANGSEN, AN XIN, WANG HAOCUN, XING XUE, LI DAN
Format:	Patent
Sprache:	chi ; eng
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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