Zinc alloy surface gray protective layer and preparation method thereof

The invention discloses a zinc alloy surface gray protective layer. A treating fluid for preparing the protective layer comprises the following raw materials: 20-50g/L of phosphoric acid; 20-50g/L of saturated dicarboxylic acid; 2-5g/L of ammonium nitrate; 0.1-5 g/L of a copper-containing compound;...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHAO PENG, ZHU JUNYI, ZHANG NING, HU QIUXIA, WANG JIANING, WANG HENG, HE WENQUAN, XIONG XIANZHONG, WANG RUJIAN, WANG JUNJIE, LU XIANKE, DONG CHENGTONG, MA YIMING
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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