国家/地区 中国（3）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC C04B028/00（2）
发明人
公开年 2021（4）
申请年 2021（4）
专利权人

Preparation of magnetic mechanical seal friction pair used in mechanical sealing components, involves reacting e.g. silicon carbide micropowder, nano-carbon powder and binder, drying, pulverizing, mixing silicon particles and modified boron nitride particles, press-molding, heating, and polishing.

ZHAO Y

Thermal energy-transfer system such as grade beam, comprises thermally conductive concrete comprising carbon, metals and/or conductive polymers, aggregate and cement and having preset compressive strength, and pipes, tubes and capillaries.

GUARRERO B P

Preparing three-dimensional graphene cement slurry by dispersing graphite oxide powder, hermetically heating to obtain three-dimensional graphene, dispersing and mixing three-dimensional graphene dispersion liquid with cement slurry.

ZHUANG Y, SHI B, LIU Q

Ceramic matrix composite stud comprises e.g. fiber preform, composite interface layer including pyrolytic carbon interface layer, boron nitride interface layer, and silicon carbide interface layer, and ceramic matrix.

ZHANG D, WU H, CAO W, WEI Q, YAO D, LIU X, PAN G