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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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Refractories and Industrial Ceramics Aims and scope

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.

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Authors and Affiliations

  1. OOO NVF Kerambet-Ogneupor, St. Petersburg, Russia

    Yu. E. Pivinskii

  2. FGBOU VPO St. Petersburg State Technological University (Technical University), St. Petersburg, Russia

    P. V. Dyakin

Authors
  1. Yu. E. Pivinskii
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  2. P. V. Dyakin
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Correspondence to Yu. E. Pivinskii.

Additional information

1Parts 1 – 3 of the article were published in Novye Ogneupory Nos. 8, 10, and 12 (2015), and parts 4 – 6 in Nos. 2, 4, and 6 (2016).

Translated from Novye Ogneupory, No. 10, pp. 42 – 51, October 2016.

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Pivinskii, Y.E., Dyakin, P.V. 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 . Refract Ind Ceram 57, 536–544 (2017). https://doi.org/10.1007/s11148-017-0019-x

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