国家/地区 中国（4）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC C04B035/64（4）
发明人 LI Y（4）
公开年
申请年 2019（2） 
专利权人

Preparing high-toughness high-lubrication silicon nitride ceramic ice cutter useful in high-power electronic power device, involves placing green body into platinum crucible, heating, pre-sintering, filling platinum crucible with nitrogen, performing air pressure sintering and cooling.

YANG Z, LI Y, QIN G, JIN H, ZHANG C, ZHANG G

Preparing molybdenum disilicide-three-dimensional graphene complex material useful in wave absorbing material or stealth material comprises preparing graphene oxide aqueous solution, three-dimensional graphene hydrogel and drying.

LIU R, ZHAO Z, LI Y, PING Y, FU L, SHANG Y

Method for toughening alumina ceramics involves adding graphene as secondary phase to alumina ceramic, and subjecting alumina ceramic to sintering for densification.

LIANG L, HE X, PENG Q, LI Y

Preparation of lead zirconate titanate-based composite piezoelectric ceramic for piezoelectric power generation, involves preparing graphene oxide, mixing lead zirconate titanate piezoelectric powder with graphene oxide and ball milling.

SONG B, YUAN Z, LI Y