国家/地区 中国（13）
IPC部 C（13） B（6） H（5）
IPC大类 C21（13） C22（13） H01（5）
B22（4） C23（3） B21（2）
IPC小类 C21D（13）
IPC C21D001/26（13）
发明人 LI J（2） WANG J（2）
公开年 2017（2） 2020（2） 2021（2） 2022（2） 2023（2）
申请年 2016（3）  2021（3）  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

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

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

Producing high-performance engineering fastener material useful for fastening at least two parts or components in engineering field, comprises e.g. choosing steel bar as engineering fastener raw material, carrying out degreasing, decontamination and rust removal treatment, compacting and cooling.

SHEN J, HU L, LI H, ZHANG Y

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

High speed tool steel comprises carbon, silicon, manganese, phosphorus, sulfur, selenium, titanium, zirconium, vanadium, molybdenum, cobalt, tantalum, fullerene, graphene, iron, and unavoidable impurity element.

CHEN F, CHEN L

High chromium ball comprises carbon, silicon, manganese, chromium, molybdenum, copper, sulfur, phosphorus, cerium, graphene, and iron.

ZHU W

High temperature-resistant heat conduction material useful in incinerator combustion chamber, comprises e.g. carbon, manganese, silicon, chromium, nickel, aluminum, phosphorus, rare earth oxide composition and modified graphene oxide.

ZHANG B

Toughness mold comprises iron powder, carbon, silicon, manganese, phosphorus, sulfur, chromium carbide, graphene, boron carbide, alumina, molybdenum, nickel oxide, tin and deionized water, is prepared by adding raw materials.

WANG F