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Research in the Area of Preparing Materials Based on Fuzed Quartz HCBS. Part 5. Effect of Sintering on Material Porosity and Strength

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Refractories and Industrial Ceramics Aims and scope

The effect of sintering on ultimate strength in bending and compression indices is studied for castings based on both fuzed quartz HCBS with different fineness, and cast systems with a granular filler based upon them. An effect is detected of a significant increase in strength in the specimen heating stage (nonisothermal sintering), and maximum strength indices for the majority of materials is achieved after isothermal soaking at 1250°C for 0.5 – 1.0 h. The correlation of shrinkage during sintering with material properties is analyzed. It is established that maximum strength is achieved with firing shrinkage of up to 1%. Relative compaction indices (or proportion of sintering pores) are found in the range 0.2 – 0.4.

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Authors and Affiliations

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

    Yu. E. Pivinskii

  2. FGBOU VPO St. Petersburgcpf 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

Translated from Novye Ogneupory, No. 6, pp. 47 – 55, June 2015.

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

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Pivinskii, Y.E., Dyakin, P.V. Research in the Area of Preparing Materials Based on Fuzed Quartz HCBS. Part 5. Effect of Sintering on Material Porosity and Strength. Refract Ind Ceram 56, 296–303 (2015). https://doi.org/10.1007/s11148-015-9834-0

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  • DOI: https://doi.org/10.1007/s11148-015-9834-0

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