Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a silicon carbide ceramic for an armor, and a preparation method. The silicon carbide ceramic for the armor is characterized by being prepared from the following raw materials in parts by weight: 68-88 parts of silicon carbide, 1-3 parts of polyvinyl butyral, 11-15 parts of chopped carbon fiber dispersing body, 4-6 parts of aluminum nitride, 0.5-1 part of microcrystalline wax, 6-7 parts of pottery clay powder, 3-4 parts of boron carbide, 2-3 parts of graphite powder, 2-4 parts of sintering auxiliaries, and 80-100 parts of deionized water. The mechanical performance of silicon carbide can be improved through added chopped carbon fibers, the breaking toughness of the ceramic can be increased, the strength and compactness of biscuit can be improved to meet the mechanical processing requirement, the added aluminum nitride has high thermal conductivity, low expansion coefficient, high strength, and high temperature resistance and chemical corrosion resistance properties, the compact performance of the ceramic can be increased, the silicon carbide composite ceramic for an armor has excellent performance and good breaking toughness property, and has wide application prospects as an armor.
The invention discloses a silicon carbide ceramic for an armor, and a preparation method. The silicon carbide ceramic for the armor is characterized by being prepared from the following raw materials in parts by weight: 68-88 parts of silicon carbide, 1-3 parts of polyvinyl butyral, 11-15 parts of chopped carbon fiber dispersing body, 4-6 parts of aluminum nitride, 0.5-1 part of microcrystalline wax, 6-7 parts of pottery clay powder, 3-4 parts of boron carbide, 2-3 parts of graphite powder, 2-4 parts of sintering auxiliaries, and 80-100 parts of deionized water. The mechanical performance of silicon carbide can be improved through added chopped carbon fibers, the breaking toughness of the ceramic can be increased, the strength and compactness of biscuit can be improved to meet the mechanical processing requirement, the added aluminum nitride has high thermal conductivity, low expansion coefficient, high strength, and high temperature resistance and chemical corrosion resistance properties, the compact performance of the ceramic can be increased, the silicon carbide composite ceramic for an armor has excellent performance and good breaking toughness property, and has wide application prospects as an armor.
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