国家/地区 中国（3） 世界知识产权组织（2）
IPC部 B（4）
IPC大类 B22（4）
IPC小类 B22F（4）
IPC B22F009/04（4）
发明人
公开年 2022（4）
申请年 2021（3） 
专利权人

Preparation of graphene guide bar used in squirrel-cage-type three-phase asynchronous motor, involves ball-milling graphene, high-purity aluminum and polydimethylsiloxane, pressing, vacuum-sintering, cooling, applying pressure to sintered sample through fixed punch to cause plastic deformation.

WEN C, LU S, ZHAO P, ZHENG G

Preparation of rare earth modified graphene copper based composite material used for contact line for high speed rail, involves ball milling graphite, organic amine and alcohol substance, centrifuging and separating product, and dissolving copper salt in alcohol substance.

WANG X, HUANG W, XUE D, WONG W

Ultrafast flash Joule heating synthesis method for recovering metal from e.g. ores, fly ash, and bauxite residue, involves applying voltage pulse to mixture, where mass of mixture to which voltage is applied is more than specific kilogram.

TOUR J M, DENG B, DENGBING

Preparation of graphene/metal-based composite material based on graphene defect control involves ultrasonically dispersing graphene powder with different defects, at the same time, metal powder by stirring ball milling.

LIU Y, ZOU B, ZHANG G, WANG G, LI Z, OUYANG H