国家/地区 中国（4）
IPC部 B（4）
IPC大类 B22（4） C01（4） C22（3）
C23（2）
IPC小类 B22F（4）
IPC B22F003/02（4）
发明人 WANG Z（2）
公开年 2021（3）
申请年 2020（4）
专利权人

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

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

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

Preparing titanium carbide-reinforced titanium-based composite material used in e.g. aerospace, by drying titanium hydride in polyvinyl alcohol solution, adding to aqueous dispersion, adding carboxy-containing carbon source and sintering.

YANG C, CHEN T, QU S, LI Y, HONG Z, JIA D, LU Z, WANG Z