国家/地区 中国（3）
IPC部 C（3）
IPC大类 C23（3）
IPC小类 C23C（3） C25D（2）
IPC C23C022/00（3）
发明人 GUO C（2） LAI H（2）
公开年 2021（3）
申请年 2021（3）
专利权人

High corrosion resistant coating structure of galvanized iron alloy of cast iron piece, has silane chromium-free passivation layer that is formed by solvent silane passivation agent.

CHEN J, GUO C, LAI H

Zinc-cadmium alloy composite coating for aerospace electrical component, comprises chemically deposited zinc layer, nickel plating layer, zinc-cadmium alloy plating layer, silane chromium-free passivation layer and graphene sealing layer, which are arranged on surface of aluminum alloy substrate.

LAI H, GUO C, CHEN M, XIA L

Preparation method of guardrail with good corrosion resistance by subjecting base material to vortex flaw detection, removing rust, hot-dip galvanizing, passivating and degreasing, phosphating, drying, spraying zinc-rich primer and curing.

ZHANG X