国家/地区 中国（4）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC C04B035/584（4）
发明人
公开年 2021（4）
申请年 2021（3） 
专利权人

Preparing silicon nitride heat-conducting ceramic material comprises modifying the Si3N4 powder in acid solution, aging modified powder, adding nano graphene, sintering auxiliary agent and alkaline solution, aging, mixing with monomer, crosslinking agent, dispersant and degreasing.

XIE N, LIU W, WANG Y, LI P, YIN R

Preparation method of silicon nitride fiber aerogel, involves printing ink of carbon source and high molecular bonding agent through three-dimensional printing to obtain printing piece.

XU J, ZHAO N, HOU Y, ZHU G

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

Preparation of flexible high-conductive heat-conducting ceramic-based composite film involves adding sintering additive in ceramic powder, preparing matrix, and mixing coated diamond particles, graphene nanosheet and copper particles.

WANG C, WU D, ZHENG L, HU X