Research in the Field of Preparing Molded and Unmolded Refractories Based on High-Alumina HCBS. Part 9. Preparation and Properties of Mixed HCBS Composition: Fuzed Bauxite-Corundum, Quartz Glass, Reactive Alumina. Dilatometric Study of Materials Based on Them
- Authors: Pivinskii Y.E.1, Dyakin P.V.2, Kolobov A.Y.3
-
Affiliations:
- OOO NVF Kerambet-Ogneupor
- FGBOU VPO St. Petersburg State Technological University (Technical University)
- OAO Dinur
- Issue: Vol 58, No 1 (2017)
- Pages: 103-108
- Section: Article
- URL: https://journals.rcsi.science/1083-4877/article/view/248767
- DOI: https://doi.org/10.1007/s11148-017-0062-7
- ID: 248767
Cite item
Abstract
Combined wet comminution is used to prepare HCBS of composite composition, including fuzed bauxite-corundum as a basic material (89%) and very fine fuzed quartz (11%). Specimens are also based on this HCBS with an increased Al2O3 content due to introducing 10 – 30% reactive alumina into their composition. Dilatometric studies are performed making it possible to establish that for materials of all compositions there are four typical nonisothermal heating temperature ranges: normal thermal expansion (up to 900°C), sintering or shrinkage (900 – 1300°C), mullitization or growth (1300 – 1450°C), and sintering (shrinkage) of mullitized material (1450 – 1500°C).
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. Yu. Kolobov
OAO Dinur
Email: pivinskiy@mail.ru
Russian Federation, Pervoural’sk
Supplementary files
