Research in the Field of Preparing Molded and Unmolded Refractories Based on High-Alumina HCBS. Part 11. Composite Composition HCBS (Fuzed Corundum-Bauxite, Sintered Bauxite, Quartz Glass) and Some Properties of Materials Based Upon Them1


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HCBS of composite composition are prepared by combined wet grinding using fuzed corundum-bauxite containing 93.4% Al2O3 (45%) and sintered Chinese bauxite (45%) as basic materials. The additional component within the composition of the milling charge is very fine quartz glass (10%). The effect of firing temperature in the range 900 – 1600°C on material sintering and mullitization is studied. Values of ultimate strength in bending of 150 MPa are achieved after firing specimens at 1200°C. The material sintering (shrinkage) and mullitization temperature ranges are established.

Sobre autores

Yu. Pivinskii

OOO NVF Kerambet-Ogneupor

Autor responsável pela correspondência
Email: pivinskiy@mail.ru
Rússia, St. Petersburg

P. Dyakin

FGBOU VPO St. Petersburg State Technological University (Technical University)

Email: pivinskiy@mail.ru
Rússia, St. Petersburg

L. Ostryakov

OAO Dinur

Email: pivinskiy@mail.ru
Rússia, Pervoural’sk

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