国家/地区 中国（3）
IPC部 F（3）
IPC大类 F16（3）
IPC小类 F16D（3）
IPC F16D069/02（3）
发明人 ZHANG L（3）
公开年
申请年 2020（2） 
专利权人

Preparing brake sheet friction material useful in automobile comprises e.g. preparing aqueous dispersion of graphene oxide nano sheet, preparing molybdenum/chromium/zirconium powder liquid nitrogen dispersion liquid, spraying liquid nitrogen dispersion, adding ethylene glycol, dispersing.

HE M, ZHANG L, LI B, WU Y

High temperature resistant wearable graphene brake sheet comprises friction block and clamping seat, where two sides of block are formed with chamfer angle, and one side of two chamfer angles far away from each other is formed with lug.

SONG J, LU C, ZHU Y, CHANG X, MA Y, ZHANG L

Powder metallurgy brake pad matched with carbon ceramic brake disc for high-speed railway train brake system, comprises e.g. iron powder, copper powder, scaly graphite, graphene, ferrous sulfide powder, silicon carbide and titanium dioxide.

QU X, ZHANG P, ZHANG L