国家/地区 中国（8）
IPC部 B（8）
IPC大类 C21（8）
IPC小类 C21D（8）
IPC C21D001/26（8）
发明人
公开年 2021（3） 2022（2）
申请年 2021（3）  2016（2）  2022（2） 
专利权人

Corrosion-resistant stainless steel pipe comprises pipe body and anti-corrosion coating applied on surface of pipe body, where pipe body comprises carbon, titanium, niobium, chromium, molybdenum, iron and rare earth element including rare earth oxide modified by nano-silicon carbide.

LI J, XIANG L, WANG J

In-situ interface modification method of graphene copper-based composite material involves adding copper powder after annealing and reduction into mixed solution of carbon source and copper salt in oil bath heating environment, and coating carbon source with copper ion powder.

ZHANG D, LI Z, PENG Y, DONG Z, XIONG D

Acid cleaning process of corrosion resistant stainless steel belt comprises performing solid solution treatment on stainless steel plate, annealing once, finish rolling, and secondary annealing and performing four stages of coating treatment.

YU C, JI F, XING Y, ZHANG X, WU M, LI Y, WU B, WANG Y, SHAN C, BEN H

Preparation of graphene copper wire includes ball milling graphene oxide powder and oxygen-free copper powder to obtain mixed powder, hot-press sintering mixed powder, mixing with oxygen-free copper powder to obtain graphene copper sintered body, annealing graphene copper wire and winding.

YANG Z

Preparation of copper based iron based composite electrical contact material includes preparing graphene fiber containing ferric oxide powder, modifying graphene fiber containing ferric oxide powder and pretreating base material.

ZHENG Y

Preparing graphene metal composite plate comprises e.g. polishing outer surface of metal plates using grinding machine, soaking in diluted hydrochloric acid solution, heating, clamping, coating graphene, extruding and rolling.

BAO Z, HUANG W, XU L, LI D, LI W, AN J

Door trim board injection mold comprises specified amount of iron powder, graphene, rare-earth powder, ethyl silicate, molybdenum powder, chromium powder, vanadium powder, silicon powder and tungsten carbide powder.

YUAN W, HUANG M, TANG S, LUO B

Metal base material for flexible wheel, comprises specified amount of low carbon steel liquid water atomized iron powder, graphene, nano silicon carbide, polyamide-imide and coupling agent.

XIONG J, CHEN X, WEI H