METHOD FOR MAKING COMPOSIT HIGH-ALUMINOUS NANOCERAMICS PRODUCTS Russian patent published in 2009 - IPC C04B35/111 B82B3/00 

FIELD: chemistry.

SUBSTANCE: invention refers to ceramic materials technology based on aluminium oxide with using sol-helium methods for making composites and can be used for making dynamic and static load-resistant and high heat-resistant products. According to the declared method, alumina GK-1 is mixed with reactive bimodal alumina CL 370 and water-soluble titanyl and ammonium double sulphate salt in cake ratio, wt %: alumina GK-1 5-83, alumina CL 370 5-94, TiO₂ 1-12. Prepared mixture is added with water-soluble binding agent at total moisture 6 to 24% over 100% in ratio of binding agent and water 1:4 to 1:16. Products are burnt maintaining isothermal ageing: at 200-300°C, 500-600°C, 700-800°C, the process is finished at complete transition temperature of anatase titanium dioxide in rutile: 1500-1600°C.

EFFECT: making nanostructure stipulating mechanical strength and thermal stability of products in transient thermal conditions.

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