Research in the Field of Preparing Molded and Unmolded Refractories Based on High-Alumina HCBS. Part 10. Effect of Firing Temperature on Properties of Materials Prepared Based on Mixed Composition HCBS from Fuzed Bauxite-Corundum, Quartz Glass, and Reactive Alumina1
- Authors: Pivinskii Y.E.1, Dyakin P.V.2, Gorokhovskii A.M.3, Ostryakov L.V.2
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Affiliations:
- OOO NVF Kerambet-Ogneupor
- FGBOU VPO St. Petersburg State Technological University (Technical University)
- OAO Dinur
- Issue: Vol 58, No 2 (2017)
- Pages: 227-232
- Section: Article
- URL: https://journals.rcsi.science/1083-4877/article/view/248845
- DOI: https://doi.org/10.1007/s11148-017-0085-0
- ID: 248845
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Abstract
The effect of firing temperature of the properties of materials prepared on the basis of complex composition HCBS with a different Al2O3 and SiO2 content is studied. Three typical isothermal firing temperature ranges are established for materials of all compositions: predominantly sintering or shrinkage (900 – 1200°C), predominantly mullitization, accompanied by growth (1200 – 1400°C), and mullitized material sintering (1400 – 1600°C). Comparative analysis is provided for material sintering and mullitization in nonisothermal heating regimes and with isothermal firing. It is established that even during heating to a prescribed firing temperature a marked reduction in porosity and considerable sintering or mullitization are noted.
About the authors
Yu. E. Pivinskii
OOO NVF Kerambet-Ogneupor
Author for correspondence.
Email: pivinskiy@mail.ru
Russian Federation, St. Petersburg
P. V. Dyakin
FGBOU VPO St. Petersburg State Technological University (Technical University)
Email: pivinskiy@mail.ru
Russian Federation, St. Petersburg
A. M. Gorokhovskii
OAO Dinur
Email: pivinskiy@mail.ru
Russian Federation, Pervoural’sk
L. V. Ostryakov
FGBOU VPO St. Petersburg State Technological University (Technical University)
Email: pivinskiy@mail.ru
Russian Federation, St. Petersburg