国家/地区 中国（2）
IPC部 C（3）
IPC大类 C21（3）
IPC小类 C21D（3）
IPC C25D007/06（2）
发明人
公开年 2023（3）
申请年 2022（2） 
专利权人

High-strength steel plate comprises base steel plate, and ferrite layer having internal oxide layer on which iron-nickel alloy layer is formed with excellent surface quality formed in internal oxide layer from surface of ferrite layer.

LEE K, LEE C, KANG K, KIM N, JANG Y, LEE J, KANG K C, KIMNAMAH, JANG Y M

Preparing battery steel case coated with metal layer on the surface, comprises e.g. grinding surface of low-carbon steel strip, performing electroplating in nickel-iron plating solution, surface magnetron sputtering of cobalt, and electroplating in nickel-iron-cobalt-phosphorus plating solution.

LI J, ZHOU H

Preparing high-strength aluminum alloy plate for sheet metal process, comprises e.g. taking ZL114A as aluminum alloy plate base material, adding modifier, heating, adding refining agent, polishing, placing aluminum alloy plate in electrolyte for anodic oxidation, sealing, and drying.

XU J