Research in the Area of Preparing Materials Based on Fuzed Quartz HCBS. Part 7. Study of Centrifugally Molded Refractory Sintering and Cristobalitization1


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The effect of nonisothermal heating temperature in the range 1100 – 1500°C on shrinkage indices and and degree of cristobalitization is studied for quartz steel-pouring refractory specimens with a ceramic concrete structure. Cristobalite formed at elevated temperature has a reduced (150 – 220°C) transition temperature into the low-temperature form. Quartz steel-pouring refractories with a ceramic concrete structure have good thermal shock resistance, and in contrast to corundum-graphite refractories, requiring preliminary high-temperature heating, may operate without the latter (“cold start”).

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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