Refractories and Industrial Ceramics Vol. 53, No. 2, July, 2012 Review prepared by the editorial staff of Novye Ogneupory Translated from Novye Ogneupory, No. 4, pp. 63 – 64, April, 2012. additionally treated with ultrasound preferably for 10 min at A METHOD OF PRODUCING ALUMINUM OXIDE a frequency (35 ± 2) kHz to form a colloidal solution. NANOCERAMIC 5. The method of Part 1, in which following extraction E. A. Garibin, E. V. Golikova, P. E. Gusev, A. A. Demidenko, from a mold, a gel billet is placed in a furnace preferably for I. A. Mironov, A. N. Smirnov, and S. N. Solov’ev a day at 65 – 70°C and after cooling is subjected to a second stage of heat treatment in which slow calcination of the gel Patent RU 2402506 billet occurs with a temperature gradient 2.5°C/min for IPC C03B35/10, C30B28/00, C30B29/20, B82B3/00 3–6h to 200– 300°C and subsequent holding for 6 h at 1. A method of producing aluminum oxide nanoceramic 300°C, and is then inertially cooled to room temperature. that includes preparation from a highly dispersed powdery 6. The method of Part 5, in which a third stage of heat ã-Al O colloidal solution from which
Refractories and Industrial Ceramics – Springer Journals
Published: Jul 6, 2012
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