国家/地区 中国（7）
IPC部 B（7）
IPC大类 B22（7）
IPC小类 B22D（7）
IPC C22C021/00（3） C22C001/10（2） C22C021/08（2）
C22C032/00（2） H01L023/373（2）
发明人 LI J（2）
公开年 2022（2）
申请年 2021（2） 
专利权人

Preparing pipe material comprises cleaning mineral-inorganic composite materials, grinding, melting, casting and forming in combination with pipe mold by means of centrifugal casting, demolding and cooling, heating and densifying, and coating anti-corrosion coating.

WANG P

Metal-based composite material for use in heat sink of electronic device, has reinforcement particles comprising silicon carbide particles, diamond particles, boron carbide particles or graphene particles dispersed in metal matrix, where metal matrix has single metal matrix or alloy matrix.

WANG L, LI Q, ZHAO J

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

Method for casting an aluminum-based ceramic composite material piston involves selection and weighing of raw materials comprising base material, aluminum oxide fine powder particles, silica powder particles, and graphene powder particles.

WANG M, ZHANG F, WANG H, CHEN D, MEI G

Graphene-containing graphite/aluminum-based self-lubricating sliding bearing comprises aluminum alloy layer outer ring, and graphite/aluminum-based self-lubricating composite layer inner ring.

YE X, XIAO K, CAO R, LIN X, WU B

Protective plate comprises front and back panels, where panels are bonded graphene ceramic protective structure and balance is binder.

DAI S, WANG S, WANG X, WU Y, LI J

Aluminum alloy material for preparing back plate, comprises aluminum alloy raw material containing specified range of graphene, carbon nanotube and aluminum.

XIAO D, RAO Q, ZHANG R, CHENG M, CHANG R R, CHERNG M