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


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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.

作者简介

Yu. Pivinskii

OOO NVF Kerambet-Ogneupor

编辑信件的主要联系方式.
Email: pivinskiy@mail.ru
俄罗斯联邦, St. Petersburg

P. Dyakin

FGBOU VPO St. Petersburg State Technological University (Technical University)

Email: pivinskiy@mail.ru
俄罗斯联邦, St. Petersburg

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