国家/地区 中国（4）
IPC部 B（4）
IPC大类 B22（4）
IPC小类 C22C（4） B22D（2） B22F（2）
IPC
发明人 LI C（4）
公开年 2021（4）
申请年 2021（4） 
专利权人

Oriented graphene composite aluminum conductor rod material for overhead cables, comprises aluminum alloy casing and core material, where aluminum alloy casing comprises clad on outside of core material to form shell-core structure.

LIU J, ZHANG J, LIU X, KOU Y, LI C, DENG C

Composite material for lift safety protecting system, in which porosity of first porous ceramic preform layer, porosity of second porous ceramic preform layer, porosity of third porous ceramic preform layer, porosity of fourth and fifth porous ceramic preform layer is equal.

CHE J, YIN Y, XUE C, YANG Q, LI C, WANG M, WANG J, GAO K, ZHU W, LI M, LU Y, HE Y

Self-lubricating material comprises matrix material including titanium, aluminum, chromium, niobium, boron and magnesium, solid lubricant, graphene and coupling agent.

LIU W, WU B, LI C, WAN X, ZHANG S, TANG Y

Column wheel used for main reduction system of heavy-duty vehicle, comprises iron, carbon, manganese, chromium, nickel, aluminum, molybdenum, buffer damping mixture and diamond powder mixture.

YI Y, LI J, LI C