METHOD FOR PRODUCTION OF CERAMIC MATERIAL BASED ON α-ALUMINUM OXIDE Russian patent published in 1995 - IPC

Abstract RU 2045499 C1

FIELD: production of ceramic materials based on refractory oxides; applicable in refractory industry, metallurgy, power engineering, chemistry, mechanical engineering, radioelectronics and medicine for manufacture of products of diverse application. SUBSTANCE: method for production of ceramic material based on a-aluminum oxide includes molding of intermediate product from powder of aluminum nitride and their subsequent firing in oxygen-containing atmosphere at temperature of up to 1800 C up to stopping of volume change of fired intermediate products. Simplified method for production of ceramic material, improved ecological conditions in its production, and produced corundum ceramics features, thermally stable fine-grain single- shape material based on a-aluminum oxide. EFFECT: higher efficiency. 1 tbl, 1 dwg

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RU 2 045 499 C1

Authors

Lisov M.F.

Dates

1995-10-10Published

1992-07-01Filed