国家/地区 中国（4）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC C04B028/00（2） C04B035/622（2）
发明人 ZHANG C（4）
公开年 2021（4）
申请年 2021（4）
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

Preparation of graphene-reinforced non-metal matrix composite material, involves putting graphene reinforcement into ball milling tank, adding non-metallic materials, grinding balls and grinding aid to tank, performing ball milling, and drying slurry to obtain composite powder, and processing.

JIANG H, DI Y, JIA B, WANG R, LIU Y, WAN X, TIAN H, WANG X, ZHANG D, CHEN X, ZHANG C

Temperature-responsive cementing slurry comprises oil well cement, bidirectional intelligent temperature control material, mixing water, dispersant, and fluid loss agent.

HUO J, CHE Y, ZHANG C, LIU H, ZUO W, YU B

Graphene dry-mix mortar has graphene, yellow sand, cement, pulverized coal ash, water reducing agent and additive, prepared by drying yellow sand, cement, pulverized coal ash, water reducing agent and additive, and grinding and sieving.

YANG Y, ZHANG C, OUYANG J, WANG J