国家/地区 中国（5）
IPC部 B（5）
IPC大类 B22（5）
IPC小类 B22F（5） C21D（5） C22C（5）
C22F（4） H01B（2）
IPC B22F003/14（5）
发明人
公开年 2021（3）
申请年 2021（4） 
专利权人

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

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 pulse current assisted forming graphene-magnesium-based composite material involves using hot-press sintering to prepare graphene-magnesium-based composite material, forming, enhancing shaping performance and compacting structure.

YU Y, ZENG J

Preparing hot-press sintered composite tool electrode useful for electric discharge machine comprises e.g. adding graphene oxide/tungsten carbide/cobalt composite material into graphite mold, introducing argon gas, and heat preservating.

OUYANG J, ZHAO X, HE X