国家/地区
IPC部 C（2） F（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC F16D069/02（2）
发明人
公开年 2020（2）
申请年
专利权人

Preparing rice-wheat straw graphene useful as friction material, comprises e.g. depleting and scorching rice and wheat straw into charcoal powder, graphitizing carbon powder, adding concentrated sulfuric acid, mixing, and reacting.

XIONG W

Ceramic-based brake pad composite material comprises ceramic matrix with curved-hole flow channel ceramics, graphene, tin-silver-copper alloy, nitrile rubber powder, and composite filler comprising linseed-modified phenolic resin.

SHI X, XUE Y, LU G, YANG Z, CHEN Y, ZHOU H, ZHANG J