国家/地区 中国（7）
IPC部 C（7）
IPC大类 C09（7） F16（4） B24（2）
IPC小类 C09K（7） F16D（4）
IPC C09K003/14（7）
发明人 WANG Y（2）
公开年 2022（7）
申请年 2021（4）  2022（3） 
专利权人

Hardening method of superfine steel ball grinding abrasive tool comprises spraying adhesion layer material, grinding layer material and abrasive sizing agent on abrasive tool surface, cleaning the surface of the abrasive body by ultrasonic waves and subjecting to a roughening treatment.

TANG X, WANG X, WANG H, SUN Q, SHI L, ZHANG Y

Friction material for brake pads, comprises graphene-carbon fiber material, polyacrylonitrile fiber, aramid fiber, glass fiber, phenolic resin, filler, titanate coupling agent, molybdenum disulfide and silicide crystal whisker.

WANG Y, ZHOU P, CHEN H, WU M

Friction material for disc brake pad, is manufactured by forming non-asbestos-organic friction material composition containing binder, fiber base, organic friction modifier, calcium silicate particle as inorganic friction modifier and metal sulfide and graphene as lubricant.

OSAWA Y, OSAWA H

Etching method of single-sided germanium wafer by coating photoresist on front, back and circumferential directions of germanium wafer respectively to form photoresist film, exposing photoresist film on front side, and developing.

HE Y, CHEN M, WANG Y

Magnetic rare earth friction material whose friction coefficient and temperature change in same direction comprises paramagnetic rare earth material, fiber, resin, friction adjusting material, graphite, and filler.

CHEN G, YAN G

Preparation of graphene micro-fold triboelectric nanogenerator involves facricating prestretched polymer/reduced graphene oxide micro-folds as positive electrode, using polyvinylidene fluoride as negative friction material, and testing.

LI S, ZHU X, ZHANG H, WANG B, WANG S, CHENG B, WAN T

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