METHOD FOR PRODUCING A CERAMIC COMPOSITE BASED ON SILICON NITRIDE-TITANIUM NITRIDE Russian patent published in 2022 - IPC C04B35/00 C04B35/593 C04B35/645 C04B35/65 

FIELD: composites.

SUBSTANCE: invention relates to a method for producing a ceramic composite based on silicon nitride (Si₃N₄) containing titanium nitride (TiN), usable in producing armour and insulation materials. At the first stage of the process, silicon nitride, titanium nitride, and metallic titanium are mixed in a planetary mill in the presence of isopropanol. The mixture is then dried at 90 °C and compressed at a pressure of 100 MPa; then fired at 1,600 °C in a nitrogen atmosphere for 1 hour. The metallic titanium has a grain size of 1 to 10 mcm. A sintering additive of CaO-Al₂O₃ with a eutectic temperature of 1,360 °C is used for sintering.

EFFECT: production of a Si₃N₄-TiN composite with high values of hardness and electrical conductivity.

1 cl, 2 dwg, 1 tbl, 4 ex