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Silicon carbide ceramic preform, aluminum-based silicon carbide ceramic material, and preparation method of silicon carbide ceramic preform
The invention discloses a silicon carbide ceramic preform, an aluminum-based silicon carbide ceramic material, and a preparation method of the silicon carbide ceramic preform, and relates to the technical fields of materials and preparation thereof, and aims at solving the technical problems that the silicon carbide ceramic preform prepared by an existing preparation process is low in strength, uneven in structure, and low in volume fraction of silicon carbide. According to the main technical scheme, the preparation method comprises the following steps: mixing raw materials for preparing the silicon carbide ceramic preform evenly, so as to prepare a raw material slurry, wherein the raw materials for preparing the silicon carbide ceramic preform comprise silicon carbide, a dispersing agent, an organic monomer and water; introducing an initiator into the raw material slurry, and mixing evenly, so as to obtain ceramic slurry; carrying vacuum degassing treatment, injection molding and demolding drying on the ceramic slurry, so as to obtain a ceramic biscuit; and sintering the ceramic biscuit at 800-1200 DEG C, so as to obtain the silicon carbide ceramic preform. The preparation method is mainly used for preparing the silicon carbide ceramic preform with high strength and uniform structure, so as to prepare the aluminum-based silicon carbide ceramic material with high performance.
Silicon carbide ceramic preform, aluminum-based silicon carbide ceramic material, and preparation method of silicon carbide ceramic preform
The invention discloses a silicon carbide ceramic preform, an aluminum-based silicon carbide ceramic material, and a preparation method of the silicon carbide ceramic preform, and relates to the technical fields of materials and preparation thereof, and aims at solving the technical problems that the silicon carbide ceramic preform prepared by an existing preparation process is low in strength, uneven in structure, and low in volume fraction of silicon carbide. According to the main technical scheme, the preparation method comprises the following steps: mixing raw materials for preparing the silicon carbide ceramic preform evenly, so as to prepare a raw material slurry, wherein the raw materials for preparing the silicon carbide ceramic preform comprise silicon carbide, a dispersing agent, an organic monomer and water; introducing an initiator into the raw material slurry, and mixing evenly, so as to obtain ceramic slurry; carrying vacuum degassing treatment, injection molding and demolding drying on the ceramic slurry, so as to obtain a ceramic biscuit; and sintering the ceramic biscuit at 800-1200 DEG C, so as to obtain the silicon carbide ceramic preform. The preparation method is mainly used for preparing the silicon carbide ceramic preform with high strength and uniform structure, so as to prepare the aluminum-based silicon carbide ceramic material with high performance.
Silicon carbide ceramic preform, aluminum-based silicon carbide ceramic material, and preparation method of silicon carbide ceramic preform
LIU HAILIN (author) / HUANG XIAOTING (author) / HU CHUANQI (author) / HUO YANLI (author)
2015-04-08
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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