Email this article Research in the Field of Preparing Molded and Unmolded Refractories Based on High-Alumina HCBS. Part 7. Sintering and Secondary Mullite Formation of Materials Based on Composite Composition HCBS During Nonisothermal Heating and Isothermal Firing1
- Authors: Pivinskii Y.E.1, Dyakin P.V.2
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Affiliations:
- OOO NVF Kerambet-Ogneupor
- FGBOU VPO St. Petersburg State Technological University (Technical University)
- Issue: Vol 57, No 5 (2017)
- Pages: 536-544
- Section: Article
- URL: https://journal-vniispk.ru/1083-4877/article/view/248583
- DOI: https://doi.org/10.1007/s11148-017-0019-x
- ID: 248583
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Abstract
The effect of nonisothermal heating in a high-temperature dilatometer and isothermal heating in the range 900 – 1600°C on sintering and secondary mullite formation for specimens based on composite composition HCBS, including with refractory clay additions, is studied. Maximum shrinkage values of 0.4 – 1.3% depending on composition are noted with nonisothermal heating up to 1200 – 1250°C or after isothermal firing at 1100 – 1200°C. Specimen growth index (up to 2.0 – 2.5%) after high-temperature firing depends on SiO2 content that indicates the volume of secondary mullite formed.
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
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