国家/地区 中国（3）
IPC部 C（3）
IPC大类 C23（3） C25（3）
IPC小类 C23C（3）
IPC C23C028/00（3）
发明人 GUO C（2） LAI H（2） LI X（2）
公开年 2018（3）
申请年 2018（3） 
专利权人 GUANGZHOU UL.（2）

Zinc-nickel alloy plating layer structure under corrosion environment comprises metal substrate, zinc-nickel alloy plating layer, trivalent chromium passivation layer, and hydroxyl graphene modified sealing layer.

GUO C, LI X, LAI H

Surface treatment of zero-valent chromium composite involves plating nickel composite film using copper plated semi-finished workpiece and graphene oxide chelated metal ion material, and carrying out vacuum composite chrome plating.

ZHAO T

Preparing zinc-nickel alloy plating structure comprises e.g. degreasing, descaling and performing pre-activation treatment of metal substrate, and preparing hydroxy graphene modified sealing layer on trivalent chromium passivation layer.

GUO C, LI X, LAI H