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Research in the Area of Preparing Materials Based on Fuzed Quartz HCBS. Part 9. Effect of Alkali Additions on Material Cristobalitization and Thermal Expansion After Nonisothermal Heating1

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Refractories and Industrial Ceramics Aims and scope

The effect of alkali-containing additive of water soluble lump silicate on the degree of cristobalitization and thermal expansion of specimens based on fuzed quartz HCBS is studied. The additive content (for Na20) is varied within the limits of 0.1 – 2.0% or from 0.025 to 0.50%. In specimens given prior nonisothermal heating to 1500°C the cristobalite content is from 32 – 34% (specimens without additive) to 88 and 96% (specimens with 1 and 2% additive). Specimen maximum thermal expansion corresponding to transition of low-temperature into high-temperature cristobalite occurs within a limited range of 150 – 300°C.

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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

  3. OAO Dinur, Pervoural’sk, Sverdlovsk Region, Russia

    A. Yu. Kolobov

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

Additional information

1Part 1 of the article was published in Novye Ogneupory No. 7 (2014), parts 2 – 7 in Nos. 1, 3, 4, 6, 7, and 9 (2015), and part 8 in No. 1 (2016).

Translated from Novye Ogneupory, No. 3, pp. 123 – 128, March 2016.

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Pivinskii, Y.E., Dyakin, P.V. & Kolobov, A.Y. Research in the Area of Preparing Materials Based on Fuzed Quartz HCBS. Part 9. Effect of Alkali Additions on Material Cristobalitization and Thermal Expansion After Nonisothermal Heating1 . Refract Ind Ceram 57, 135–140 (2016). https://doi.org/10.1007/s11148-016-9942-5

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  • DOI: https://doi.org/10.1007/s11148-016-9942-5

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