Research in the Field of Preparing Molded and Unmolded Refractories Based on High-Alumina HCBS. Part 5. Effect of Firing Temperature on Properties of Materials Prepared From Composite HCBS With Addition of Refractory Clay1

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 | 2016年 / 57卷
关键词：
bauxite; corundum; refractory clay; very fine quartz glass (VFQG); HCBS; mullite formation; shrinkage; sintering; strength in bending;
D O I：
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学科分类号：
摘要：
The effect of firing temperature in the range 800 – 1600°C and heat treatment duration (60 h at 1350 – 1400°C) on shrinkage and growth indices, porosity, and strength for specimens based on HCBS of composite composition (bauxite and VFQG), and also with added clay, is studied. Depending on specimen composition there is low shrinkage within the limits of 0.4 – 1.15% in the range 1100 – 1200°C and significant growth (2.0-.27%) as a result of secondary mullite formation occurring at 1300 – 1500°C.
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页码：180 / 184
页数：4
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