国家/地区 中国（6）
IPC部 B（6）
IPC大类 B22（6）
IPC小类 C22F（6） B22F（5） C22C（5）
H01B（3） C21D（2）
IPC C22F001/08（6）
发明人
公开年 2022（6）
申请年 2021（3）  2022（3） 
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

Mining hydraulic support repairing device, has adjusting mechanism comprising two sliding groove plates symmetrically and uniformly distributed and fixedly installed on top surface of bottom plate.

XIE S, SHAO H, JIAO G, ZHANG H, LI X

Preparing copper-based graphene useful for preparing copper-based graphene conductor of electric wire cable, comprises performing surface cleaning and drying on copper material, stacking with high temperature resistant substrate, annealing, and growing graphene layer on copper material surface.

FU J, YANG J, SHEN H, ZHANG W, MA Y

Preparing metal-based composite material involves preparing graphene preparation solution, performing low-energy ball milling to oxidized graphene, cold pressing mixed powder into sheet blank, and annealing in reducing furnace in hydrogen atmosphere.

FENG Y, CHEN L, MA J

Copper-based iron-based composite electro contact material for switch electric appliance and electronic instrument instrument, comprises ferric oxide graphene, ferroferric oxide, ferric chloride solution, and copper base material.

ZHENG Y

Additive manufacturing of copper-based polymorphic high-entropy alloy powder by preparing copper-based polymorphic high-entropy alloy powder as forming powder, placing in automatic powder feeder, and induction heating.

LI W, YI Y, GUO B, ZHANG Z, ZHOU S