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


Cite item

Full Text

Open Access Open Access
Restricted Access Access granted
Restricted Access Subscription Access

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

Supplementary Files
Action
1. JATS XML

Copyright (c) 2017 Springer Science+Business Media, LLC