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

被引：0
|
作者：
Yu. E. Pivinskii
P. V. Dyakin
L. V. Ostryakov
机构：
[1] OOO NVF Kerambet-Ogneupor,
[2] FGBOU VPO St. Petersburg State Technological University (Technical University),undefined
[3] OAO Dinur,undefined
来源：
Refractories and Industrial Ceramics | 2017年 / 58卷
关键词：
Chinese and Guyana bauxite; fuzed corundum-bauxite; quartz glass; wet grinding; HCBS; heterostabilization; sintering; mullitization; thermal expansion; nonisothermal heating; dilatometric study;
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摘要：
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.
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页码：450 / 456
页数：6
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