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A platform for research: civil engineering, architecture and urbanism
Graphene modified ceramic composite material, preparation method and product
The present invention relates to a graphene modified ceramic composite material preparation method, which comprises: providing ceramic powder and a graphene nanosheet dispersion liquid, the graphene nanosheet dispersion liquid comprises graphene nanosheets, and the mass ratio of the ceramic powder to the graphene nanosheets is (50-200): 1; placing the ceramic powder in a cavity of a pressure casting machine, placing the graphene nanosheet dispersion liquid in a pressure chamber of the pressure casting machine, enabling the graphene nanosheet dispersion liquid to enter the cavity of the pressure casting machine to be mixed with the ceramic powder under the action of injection, and drying the mixture to obtain the graphene ceramic mixed powder, wherein the injection specific pressure of the pressure casting machine ranges from 20 MPa to 50 MPa, the injection speed ranges from 0.5 m/s to 5 m/s, and the pressure maintaining time ranges from 10 s to 180 s; and molding and sintering the graphene and ceramic mixed powder. The invention further relates to a graphene modified ceramic composite material and a workpiece.
本发明涉及一种石墨烯改性陶瓷复合材料的制备方法，包括以下步骤：提供陶瓷粉体和石墨烯纳米片分散液，所述石墨烯纳米片分散液包括石墨烯纳米片，所述陶瓷粉体和所述石墨烯纳米片的质量比为(50～200):1；将所述陶瓷粉体置于压力铸造机的型腔中，所述石墨烯纳米片分散液置于压力铸造机的压室，在压射作用下，使所述石墨烯纳米片分散液进入压力铸造机的型腔与所述陶瓷粉体混合，混合物干燥得石墨烯陶瓷混合粉体，其中，压力铸造机的压射比压为20MPa～50MPa，压射速度为0.5m/s～5m/s，保压时间为10s～180s；以及将所述石墨烯陶瓷混合粉体成型、烧结。本发明进一步涉及一种石墨烯改性陶瓷复合材料以及制件。
Graphene modified ceramic composite material, preparation method and product
The present invention relates to a graphene modified ceramic composite material preparation method, which comprises: providing ceramic powder and a graphene nanosheet dispersion liquid, the graphene nanosheet dispersion liquid comprises graphene nanosheets, and the mass ratio of the ceramic powder to the graphene nanosheets is (50-200): 1; placing the ceramic powder in a cavity of a pressure casting machine, placing the graphene nanosheet dispersion liquid in a pressure chamber of the pressure casting machine, enabling the graphene nanosheet dispersion liquid to enter the cavity of the pressure casting machine to be mixed with the ceramic powder under the action of injection, and drying the mixture to obtain the graphene ceramic mixed powder, wherein the injection specific pressure of the pressure casting machine ranges from 20 MPa to 50 MPa, the injection speed ranges from 0.5 m/s to 5 m/s, and the pressure maintaining time ranges from 10 s to 180 s; and molding and sintering the graphene and ceramic mixed powder. The invention further relates to a graphene modified ceramic composite material and a workpiece.
本发明涉及一种石墨烯改性陶瓷复合材料的制备方法，包括以下步骤：提供陶瓷粉体和石墨烯纳米片分散液，所述石墨烯纳米片分散液包括石墨烯纳米片，所述陶瓷粉体和所述石墨烯纳米片的质量比为(50～200):1；将所述陶瓷粉体置于压力铸造机的型腔中，所述石墨烯纳米片分散液置于压力铸造机的压室，在压射作用下，使所述石墨烯纳米片分散液进入压力铸造机的型腔与所述陶瓷粉体混合，混合物干燥得石墨烯陶瓷混合粉体，其中，压力铸造机的压射比压为20MPa～50MPa，压射速度为0.5m/s～5m/s，保压时间为10s～180s；以及将所述石墨烯陶瓷混合粉体成型、烧结。本发明进一步涉及一种石墨烯改性陶瓷复合材料以及制件。
Graphene modified ceramic composite material, preparation method and product
石墨烯改性陶瓷复合材料、制备方法以及制件
CAO ZHEN (author) / CHEN RAN (author) / ZHANG HAIPING (author) / LUO GUINA (author) / LI JIONGLI (author) / WANG XUDONG (author)
2021-04-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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