国家/地区 中国（2）
IPC部 B（2）
IPC大类 B22（2）
IPC小类 B22F（2）
IPC B22F003/10（2）
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Preparing graphene copper-based composite material, comprises e.g. mixing graphene slurry and copper-based powder, compressing powder to obtain green body, vacuum calcining, subjecting to solution heat treatment and aging heat treatment to obtain graphene copper-based composite material.

WANG X, XIAO Z, CAO Z, LI J

Graphene of high speed train braking sheet material comprises matrix component, matrix reinforcing component, friction component, and lubricating component, and matrix reinforcement is composed of graphene oxide and iron powder.

LIU B, ZHANG D, LIU Z