国家/地区 中国（15）
IPC部 B（15）
IPC大类 B22（15） C22（12） C01（4）
C23（3）
IPC小类 B22F（15） C22C（12） C01B（4）
C23C（3）
IPC B22F003/10（15）
发明人 LI J（2） LI Y（2） WANG Z（2）
公开年 2021（11） 2020（2） 2022（2）
申请年 2020（15）
专利权人

Preparing tungsten carbide-cobalt alloy of hard graphene oxide/nano-aluminum oxide composite particles useful for e.g. plunger of high pressure container, comprises e.g. adding nano aluminum oxide into alumina colloid solution, and adding into graphene suspension.

FAN H, SU W, SUN L

Preparation method of copper-based graphene, involves removing copper-based graphene precursor from impurities by solvent separation method, and drying copper-based graphene precursor to form copper-based graphene finished product.

WU G, QIAN T, CAO H, MA Y, SHEN H

Graphene modification of metal involves mixing metal powder, graphene powder and binder into powder raw material, mixing and rubbing to generate heat to break mixed-layer orbital domain bonded to each stearic acid functional group after heat absorption, and sintering metal particles.

ZENG W, SHI Y, HONG Q

Preparing graphene modified metal composite material useful for product, comprises e.g. placing metal powder in cavity of pressure casting machine, casting graphene nanosheet dispersion, mixing with metal powder, forming and sintering.

CAO Z, LI J, SUN Q, WANG G, WANG X

Preparation of silver-nickel-graphene alloy material involves preparing silver-nickel-graphene composite powder, drying, adding into feeding hopper of ball mill for processing, and then adding raw material through feeding hopper.

LIN B, HU S, LIN X

Preparation of graphene-enhanced nickel-based nanocomposite powder metallurgy material involves cutting graphite into sheet, nano grinding to obtain nano graphene, adding dispersant, putting into centrifuge, and mixing and blending.

OU B, XU C, WANG Q, XIONG L

Preparation of powder metallurgy friction materials involves preparing graphene-nano-silica hybrid material, ball milling, mixing with e.g. iron powder, adding kerosene, compressing, fixing on supporting steel back, sintering, and cooling.

WANG Z, LI J, MIAO P, GAO F, LIU Z, CAI G, ZHANG M, GUO G

Preparation method of multi-layer graphene-reinforced aluminum-based composite material involves ball milling multilayer graphene with different contents, aluminum powder and zirconium ball, and sintering by vacuum hot-pressing.

LIU J

Preparing graphene-reinforced alloy composite material comprises e.g. taking graphene oxide aqueous solution, preparing porous graphene colloid, melting the first part alloy to alloy solution, pouring to porous graphene colloid and crushing.

DU B, ZHU X, ZHU Y, LUO K

Ultra-fast heating sintering device useful for melting, welding and chemical reaction processes comprises electric insulating heating cavity, and electrode sheets arranged in electric insulating heating cavity.

WANG L