A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses high-hardness silicon nitride ceramic and a preparing method thereof. The high-hardness silicon nitride ceramic is characterized by being prepared from, by weight, 85-115 parts of silicon nitride, 1-6 parts of aluminum oxide, 2-7 parts of kaoline powder, 0.6-2 parts of zirconium oxide powder, 1.5-4 parts of calcium oxide powder, 2-6 parts of titanium dioxide powder, 1.5-3.5 parts of antimony trioxide powder, 0.6-3 parts of carbon fibers, 0.05-0.3 part of surfactant, 0.5-3 parts of polyethylene, 20-30 parts of absolute ethyl alcohol, 2-5 parts of glycerol and 65-75 parts of deionized water. The strength of the silicon nitride ceramic is improved obviously, the technology is simple and reasonable, and the raw materials are easy to obtain.
The invention discloses high-hardness silicon nitride ceramic and a preparing method thereof. The high-hardness silicon nitride ceramic is characterized by being prepared from, by weight, 85-115 parts of silicon nitride, 1-6 parts of aluminum oxide, 2-7 parts of kaoline powder, 0.6-2 parts of zirconium oxide powder, 1.5-4 parts of calcium oxide powder, 2-6 parts of titanium dioxide powder, 1.5-3.5 parts of antimony trioxide powder, 0.6-3 parts of carbon fibers, 0.05-0.3 part of surfactant, 0.5-3 parts of polyethylene, 20-30 parts of absolute ethyl alcohol, 2-5 parts of glycerol and 65-75 parts of deionized water. The strength of the silicon nitride ceramic is improved obviously, the technology is simple and reasonable, and the raw materials are easy to obtain.
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